BY ORDER OF THE AIR FORCE MANUAL 11-217, SECRETARY OF THE AIR FORCE VOLUME 1 29 DECEMBER 2000 Flying Operations INSTRUMENT FLIGHT PROCEDURES NOTICE: This publication is available digitally on the AFDPO/PPP site at: http://afpubs.hq.af.mil. _________________________________________________________________________________ OPR: HQ AFFSA/XOFD Certified by HQ AFFSA/CC (Maj Bryan Bannach) (Col Richard Packard) Supersedes AFMAN 11-217, Vol 1, Pages: 297 1 April 1996 Distribution: F _________________________________________________________________________________ This instruction implements AFPD 11-2, Flight Rules and Procedures, by providing guidance and procedures for standard Air Force instrument flying. Since aircraft flight instrumentation and mission objectives are so varied, this instruction is necessarily general regarding equipment and detailed accomplishment of maneuvers. The guidance found in this manual is both technique and procedurally oriented. Instruction depicted in bold italics is considered procedure. Individual aircraft flight manuals should provide detailed instructions required for particular aircraft instrumentation or characteristics. This instruction, when used with related flight directives and publications, provides adequate guidance for instrument flight under most circumstances, but is not a substitute for sound judgment. Circumstances may require modification of prescribed procedures. Aircrew members charged with the safe operation of United States Air Force aircraft must be knowledgeable of the guidance contained in this manual. This publication applies to the Air National Guard (ANG) when published in the ANGIND 2. SUMMARY OF REVISIONS This manual has been extensively rewritten and reformatted which requires a thorough review of the entire manual. It is too difficult to mark all the changes found in this version of the manual due to format restructuring, subject consolidation and paragraph numbering. However, the following chapters or sections will require a more in-depth review. Chapter 1 has changes in the use of single medium displays and the display of flight instrumentation. Chapter 2 has small changes in verbiage and procedures. Chapters 3 and 4 have changes in helicopter instrument procedures based on the current AF equipment inventory. Chapters 5 and 6 clarify procedures and include better explanations concerning NAVAIDs and GPS while Chapter 7 contains updates to Area Navigation (RNAV). Chapter 8 has considerable changes and updates to procedures, requiring a full review. Chapter 9 has extensive changes to departure procedures. This chapter was written in a more instructional tone to aid in understanding and represents the future vision of AFM 11-217. Chapter 10 on holding is a complete revision that now offers pilots holding options. Chapter 11 consists of changes in procedures versus techniques. Chapters 13 and 14 have many changes and procedures that incorporate FAA guidance with existing Air Force procedures/techniques. Chapter 16 has 2 AFMAN 11–217V1 changes to procedures as well as to the missed approach climb gradient. Chapter 23 on ICAO procedures has significant changes throughout and must be reviewed. Chapter 25 has been updated taking into account HUD modernization. Chapter 1 - Basic Instrument Flying --Fixed Wing Instrument Categories...................................................................................................................1.1. Control and Performance Concept.................................................................................................1.2. Use of Single Medium Displays.....................................................................................................1.3. Display of Flight Instrumentation..................................................................................................1.4. Chapter 2 - Instrument Flight Maneuvers--Fixed Wing Basic Maneuvers...........................................................................................................................2.1. Planning........................................................................................................................................2.2. Individual Maneuvers....................................................................................................................2.3. Basic Aircraft Control Maneuvers.................................................................................................2.4. Unusual Attitudes.........................................................................................................................2.5. Chapter 3 - Basic Instrument Flying--Helicopter Instrument Categories...................................................................................................................3.1. Control and Performance Concept.................................................................................................3.2. Display of Flight Instrumentation..................................................................................................3.3. Single-Medium Displays................................................................................................................3.4. Chapter 4 - Instrument Flight Maneuvers--Helicopter Application...................................................................................................................................4.1. Planning........................................................................................................................................4.2. The Instrument Takeoff (ITO)......................................................................................................4.3. Individual Maneuvers....................................................................................................................4.4. Emergency Descent.......................................................................................................................4.5. Instrument Approaches.................................................................................................................4.6. Altimeter Setting Procedures.........................................................................................................4.7. Unusual Attitudes.........................................................................................................................4.8. Chapter 5 - Navigation Instruments Application...................................................................................................................................5.1. Basic Systems...............................................................................................................................5.2. Flight Director..............................................................................................................................5.3. Chapter 6 - Navigation Aids (NAVAIDs) Precautions...................................................................................................................................6.1. VHF Omni-Directional Range (VOR)...........................................................................................6.2. Tactical Air Navigation (TACAN)................................................................................................6.3. VHF Omni-Directional Range/Tactical Air Navigation (VORTAC)...............................................6.4. Distance Measuring Equipment (DME).........................................................................................6.5. Instrument Landing System (ILS)..................................................................................................6.6. Microwave Landing System (MLS)...............................................................................................6.7. Marker Beacon.............................................................................................................................6.8. AFMAN 11-217V1 3 Localizer Type Directional Aid (LDA)..........................................................................................6.9. Simplified Directional Facility (SDF)...........................................................................................6.10. Nondirectional Radio Beacon (NDB)..........................................................................................6.11. Global Positioning System (GPS)................................................................................................6.12. Inertial Navigation System (INS)................................................................................................6.13. Chapter 7 - Navigation Procedures Application...................................................................................................................................7.1. Homing to a Station......................................................................................................................7.2. Proceeding Direct to a Station.......................................................................................................7.3. Course Intercepts..........................................................................................................................7.4. Maintaining Course.......................................................................................................................7.5. Station Passage.............................................................................................................................7.6. Time and Distance Check..............................................................................................................7.7. Groundspeed Check......................................................................................................................7.8. Arc Interceptions..........................................................................................................................7.9. Proceeding Direct to a VOR/DME or TACAN Fix......................................................................7.10. Area Navigation (RNAV)...........................................................................................................7.11. Chapter 8 - Planning an Instrument Flight Altimeter Setting Procedures.........................................................................................................8.1. U. S. NOTAM System (USNS).....................................................................................................8.2. Navigation Options in the National Airspace System.....................................................................8.3. Planning for En Route...................................................................................................................8.4. Planning the Approach..................................................................................................................8.5. Instrument Cockpit Check.............................................................................................................8.6. Chapter 9 - IFR Departure Procedures Introduction..................................................................................................................................9.1. Preparing for an IFR Departure.....................................................................................................9.2. How an Airport Becomes an Instrument Airport...........................................................................9.3. Who ‘Produced’ the Procedure?....................................................................................................9.4. Runway End Crossing Height or Screen Height.............................................................................9.5. How Do You Know Who Produced the Procedure)......................................................................9.7. Runway End Crossing Heights (ICAO).........................................................................................9.8. Examples of Different TERPs Criteria...........................................................................................9.9. Deviations from Standard Crossing Heights................................................................................9.10. What is the Runway End Crossing Height...................................................................................9.11. Determining Screen Heights During the Review Process.............................................................9.12. No 40:1 OIS Penetrations...........................................................................................................9.13. What is a Diverse Departure?......................................................................................................9.14. Obstacles Penetrate the 40:1 OIS................................................................................................9.15. Aircrew Notification...................................................................................................................9.16. Methods to Avoid Obstacles.......................................................................................................9.17. Basic Rules for all IFR Departures..............................................................................................9.18. FAA Takeoff Weather Minimums...............................................................................................9.19. Methods of IFR Departures.........................................................................................................9.20. 4 AFMAN 11–217V1 Diverse Departures.....................................................................................................................9.21. Will ATC Clear Me for a Diverse Departure?..............................................................................9.22. IFR Departure Procedures..........................................................................................................9.23. The “Trouble T”.........................................................................................................................9.24. Designing an IFR Departure Procedure.......................................................................................9.25. Non-Standard Takeoff Weather Minimums.................................................................................9.26. Minimum Climb Gradient............................................................................................................9.27. Specific Routing..........................................................................................................................9.28. Combination of All Three Methods.............................................................................................9.29. Low Close-In Obstacles..............................................................................................................9.30. Will ATC Clear Me for an IFR Departure Procedure?.................................................................9.31. How to File an IFR Departure Procedure....................................................................................9.32. SIDs/DPs Instead of IFR Departure Procedures..........................................................................9.33. Standard Instrument Departures (SIDs).......................................................................................9.34. SIDs are Optimized for ATC.......................................................................................................9.35. Using SIDs.................................................................................................................................9.36. SID Depictions...........................................................................................................................9.37. Different Types of SIDs..............................................................................................................9.38. Domestic SIDs............................................................................................................................9.39. Military SIDs..............................................................................................................................9.40. Climb Gradient Table..................................................................................................................9.41. Climb Rate vs. Climb Gradient....................................................................................................9.42. Determining the Climb Gradient in Feet per Nautical Mile...........................................................9.43. Common Climb Conversions.......................................................................................................9.44. Civil SIDs...................................................................................................................................9.45. No Obstacles are Identified or Depicted......................................................................................9.46. ATC Climb Gradients..................................................................................................................9.47. Chapter 10 - Holding Definition....................................................................................................................................10.1. Basic...........................................................................................................................................10.2. Holding Instructions....................................................................................................................10.3. Holding Pattern Procedures.........................................................................................................10.4. Holding Pattern Suggestions.......................................................................................................10.5. Drift Corrections.........................................................................................................................10.6. High Altitude Approach Plate Depiction (Postage Stamp)...........................................................10.7. Descent.......................................................................................................................................10.8. Chapter 11 - Arrival En Route Descent Procedure/Technique.....................................................................................11.1. Descent.......................................................................................................................................11.2. High Altitude Procedures............................................................................................................11.3. Low Altitude Procedures............................................................................................................11.4. Radar Vectors.............................................................................................................................11.5. Pilot Responsibilities...................................................................................................................11.6. Standard Terminal Arrivals (STARs) and Flight Management System Procedures (FMSPs).........11.7. AFMAN 11-217V1 5 Chapter 12 - High Altitude Approaches Application.................................................................................................................................12.1. Non-DME Teardrop Approaches................................................................................................12.2. Radial Approaches......................................................................................................................12.3. Radial and Arc Combination Approaches....................................................................................12.4. Multiple Facility Approaches.......................................................................................................12.5. Approach With Dead Reckoning (DR) Courses...........................................................................12.6. Chapter 13 - Low Altitude Approaches Purpose.......................................................................................................................................13.1. Procedure Turns.........................................................................................................................13.2. Holding Pattern in Lieu of Procedure Turn..................................................................................13.3. Procedural Tracks.......................................................................................................................13.4. Approach With Dead Reckoning (DR) Courses...........................................................................13.5. Chapter 14 - Final Approach Nonradar....................................................................................................................................14.1. Radar..........................................................................................................................................14.2. Visual Approach.........................................................................................................................14.3. Contact Approach.......................................................................................................................14.4. IAP with Visual Segment............................................................................................................14.5. Charted Visual Flight Procedures (CVFPs)..................................................................................14.6. Converging approaches...............................................................................................................14.7. Chapter 15 - Landing from Instrument Approaches Planning the Approach and Landing............................................................................................15.1. Transitioning From Instrument to Visual Flight Conditions..........................................................15.2. Approach Lighting Systems.........................................................................................................15.3. Runway Lighting Systems...........................................................................................................15.4. Runway Markings.......................................................................................................................15.5. Circling Approaches....................................................................................................................15.6. Side-Step Maneuver Procedures..................................................................................................15.7. Chapter 16 - Missed Approach Planning......................................................................................................................................16.1. Missed Approach Point (MAP)...................................................................................................16.2. Missed Approach/Departure Instructions....................................................................................16.3. Actual Missed Approach.............................................................................................................16.4. Accomplishing the Missed Approach...........................................................................................16.5. Chapter 17 - 19 [Reserved] Chapter 20 - Additional Information and Guidance Altimeter Information..................................................................................................................20.1. Automated Radar Terminal System (ARTS)................................................................................20.2. Flight Considerations..................................................................................................................20.3. Terminal Instrument Procedures (TERPs)...................................................................................20.4. 6 AFMAN 11–217V1 Turning Performance..................................................................................................................20.5. Chapter 21 - Aircraft Equipment Pressure Instruments...................................................................................................................21.1. Attitude Instruments...................................................................................................................21.2. Heading Systems.........................................................................................................................21.3. Angle of Attack System..............................................................................................................21.4. Radar Altimeters.........................................................................................................................21.5. Chapter 22 - Spatial Disorientation General Information....................................................................................................................22.1. Orientation and Equilibrium........................................................................................................22.2. Physiological Mechanics of Illusions............................................................................................22.3. Types of Spatial Disorientation...................................................................................................22.4. Causes of Spatial Disorientation..................................................................................................22.5. Prevention of Spatial Disorientation Mishaps...............................................................................22.6. Chapter 23 – International Civil Aviation Organization (ICAO) Procedures Introduction................................................................................................................................23.1. Definitions..................................................................................................................................23.2. Departure Procedures.................................................................................................................23.3. Low Altitude Approach Procedures............................................................................................23.4. Holding.......................................................................................................................................23.5. Noise Abatement Procedures......................................................................................................23.6. ICAO Altimeter Setting Procedures............................................................................................23.7. Transponder Operating Procedures.............................................................................................23.8. Chapter 24 – Category II and III ILS Approaches Category II ILS Approach..........................................................................................................24.1. Category IIIa ILS Approach.......................................................................................................24.2. Chapter 25 – The Head Up Display (HUD) General Use of HUDs.................................................................................................................25.1. Use of HUDs in Instrument Flight...............................................................................................25.2. HUD Limitations........................................................................................................................25.3. Figures Figure 1.1. Attitude Instrument Flying............................................................................................11 Figure 1.2. Instrument Cross-Check Technique..............................................................................13 Figure 1.3. Factors Influencing Cross-Check Techniques................................................................14 Figure 2.1. Typical Instrument Flight..............................................................................................19 Figure 2.2. Leading the Level Off...................................................................................................21 Figure 2.3. Use of Power...............................................................................................................23 Figure 2.4. Level Turns..................................................................................................................24 Figure 2.5. Vertical "S"- A.............................................................................................................28 Figure 2.6. Vertical "S"- B.............................................................................................................29 Figure 2.7. Vertical "S"- C and "S"- D ..........................................................................................30 AFMAN 11-217V1 7 Figure 2.8. Attitude Indications During Wingover..........................................................................31 Figure 2.9. Attitude Indications During Aileron Roll......................................................................32 Figure 2.10. Verify That an Unusual Attitude Exists.......................................................................33 Figure 3.1. Attitude Instrument Flying............................................................................................35 Figure 3.2. Attitude and Power Control..........................................................................................36 Figure 3.3. Instrument Cross-Check...............................................................................................38 Figure 3.4. Factors Influencing Cross-Check Techniques................................................................39 Figure 4.1. Typical Instrument Flight..............................................................................................43 Figure 4.2. The Instrument Takeoff................................................................................................45 Figure 4.3. Altitude Control...........................................................................................................46 Figure 4.4. Leading the Level Off...................................................................................................47 Figure 4.5. Bank Control................................................................................................................47 Figure 4.6. Level Turns..................................................................................................................49 Figure 4.7. Turns to Headings........................................................................................................50 Figure 4.8. Rate Climb...................................................................................................................52 Figure 4.9. Rate Descent................................................................................................................52 Figure 4.10. Climbing Turns...........................................................................................................53 Figure 4.11. Descending Turns.......................................................................................................54 Figure 4.12. Copter Only Approach...............................................................................................56 Figure 4.13. Copter TACAN..........................................................................................................57 Figure 4.14. Short Final Approach.................................................................................................58 Figure 4.15. Point in Space Approach............................................................................................59 Figure 4.16. Recognizing an Unusual Attitude................................................................................61 Figure 5.1. Navigation Instruments.................................................................................................64 Figure 5.2. Radio Magnetic Indicator (RMI) and Course Indicator (CI)..........................................64 Figure 5.3. Principle of TO-FROM Indicator..................................................................................65 Figure 5.4. Course Indicator Displays in Relation to the Selected Course.......................................66 Figure 5.5. ILS Course Indicator Presentations for a 5° Wide Localizer and a 1° Wide Glide Slope (Front Course)...................................................................................................................67 Figure 5.6. Localizer Course Indicator Presentations for a 5° Wide Localizer (Back Course)..........68 Figure 5.7. Example of Course and Glide Slope Deviation Indications vs. Actual Displacement Relative to Distance From Touchdown for a 5° Wide Localizer and a 1° Wide Glide Slope..........69 Figure 5.8. Bearing Distance Heading Indicator (BDHI).................................................................70 Figure 5.9. Typical Flight Director.................................................................................................71 Figure 5.10. Flight Director Computer Inputs (ILS Intercept Mode)...............................................74 Figure 5.11. Flight Director Inputs (ILS Final Approach Mode).....................................................75 Figure 6.1. Standard ILS Characteristics and Terminology.............................................................80 Figure 6.2. Normal Localizer Signal Coverage...............................................................................81 Figure 6.3. MLS Coverage Volumes..............................................................................................82 Figure 6.4. Global Positioning System (GPS).................................................................................86 Figure 7.1. Curved Flight Path as a Result of Homing with a Crosswind.........................................90 Figure 7.2. Proceeding Direct to Station.........................................................................................91 Figure 7.3. Inbound Course Interceptions (Course Indicator and RMI; HSI)..................................93 Figure 7.4. Inbound Course Interceptions (RMI Only)....................................................................94 Figure 7.5. Outbound Course Interceptions-Immediately After Station Passage (Course Indicator and RMI: HSI).............................................................................................................................96 Figure 7.6. Outbound Course Interceptions-Immediately After Station Passage (RMI Only)...........98 8 AFMAN 11–217V1 Figure 7.7. Outbound Course Interceptions-Away From the Station (Course Indicator and RMI; HSI)...................................................................................................................................99 Figure 7.8. Outbound Course Interceptions-Away From the Station (RMI Only)..........................101 Figure 7.9. Maintaining Course....................................................................................................102 Figure 7.10. Arc Interception from a Radial.................................................................................104 Figure 7.11. Radial Interception from an Arc................................................................................106 Figure 7.12. Correcting to Maintain an Arc..................................................................................107 Figure 7.13. Proceeding Direct to a DME Fix..............................................................................108 Figure 8.1. Setting the Altimeter..................................................................................................112 Figure 8.2. Altimeter Correction Factor: Actual ALSTG Exceeds Altimeter Upper Limit.............113 Figure 8.3. Altimeter Correction Factor: Actual Altimeter Setting Less Than Altimeter Lower Limit................................................................................................................................114 Figure 8.4. Example 1-Off-Scale Altimeter...................................................................................114 Figure 8.5. Example 2 - Off-scale Altimeter Settings....................................................................115 Figure 8.6. ILS Approach............................................................................................................124 Figure 8.7. Review of the IAP......................................................................................................125 Figure 8.8. Visual Descent Point (VDP).......................................................................................128 Figure 9.1. IFR Departure Procedures..........................................................................................131 Figure 9.2. 40:1 Obstacle Identification Surface USAF/USN........................................................132 Figure 9.3. 40:1 Obstacle Identification Surface US Army............................................................133 Figure 9.4. DER Crossing Height Notification..............................................................................134 Figure 9.5. Jeppesen Airport Diagram page for Yeager Field........................................................137 Figure 9.6. Back of Airport Diagram page for CRW.....................................................................137 Figure 9.7. DoD FLIP’s Depiction of CRW’s IFR Departure Procedure.......................................137 Figure 9.8. IFR Departure Not Authorized...................................................................................140 Figure 9.9. IFR Departure Not Authorized...................................................................................140 Figure 9.10. IFR Departure Procedures with Only Non-Standard Takeoff Minimums...................140 Figure 9.11. IFR Departure Procedures with Only Non-Standard Takeoff Minimums...................140 Figure 9.12. Minimum Climb Gradient To Be Used with Standard Weather..................................141 Figure 9.13. Minimum Climb Gradient To Be Used with Standard Weather..................................141 Figure 9.14. IFR Departure Procedures with Specific Routing......................................................141 Figure 9.15. IFR Departure Procedures with Specific Routing......................................................141 Figure 9.16. IFR Departure Procedures Using a Combination of Methods....................................142 Figure 9.17. IFR Departure Procedures Using Combination - but an IFR Departure is Not Authorized (NA).........................................................................................................................142 Figure 9.18. San Diego Int’l, CA..................................................................................................143 Figure 9.19. San Diego Int’l, CA..................................................................................................143 Figure 9.20. Example of How a Military SID is Published............................................................145 Figure 9.21. Obstacles Are Depicted............................................................................................146 Figure 9.22. Controlling Obstacle Info is Provided.......................................................................146 Figure 9.23. Climb Gradient Table...............................................................................................147 Figure 9.24. Civil Vector SID......................................................................................................148 Figure 9.25. Civil SID with ATC Gradient (Not Depicted)...........................................................149 Figure 9.26. Civil SID With Climb Gradient Depicted on the SID.................................................150 Figure 9.27. Civil SID With Climb Gradient Depicted on the SID.................................................150 Figure 9.28. Vector SID with No Climb Gradient Depicted..........................................................151 Figure 9.29. Vector SID with No Climb Gradient Depicted..........................................................151 AFMAN 11-217V1 9 Figure 9.30. Scholes Six Departure..............................................................................................153 Figure 9.31. BTR ILS RWY 13...................................................................................................155 Figure 9.32. ILS/DME RWY 11 (GJT)........................................................................................156 Figure 10.1. Holding Pattern........................................................................................................158 Figure 10.2. Charted Holding Pattern...........................................................................................159 Figure 10.3. Charted Holding Pattern...........................................................................................159 Figure 10.4. 70 Degree Method...................................................................................................162 Figure 10.5. “AIM” Method.........................................................................................................163 Figure 10.6. Copying Holding Instructions...................................................................................164 Figure 10.7. Minimum Holding Altitude.......................................................................................166 Figure 11.1. Feeder Routes (High Altitude)..................................................................................168 Figure 11.2. Cleared for the Approach While En Route to the Holding Fix...................................169 Figure 11.3. Leading the Turn at the IAF.....................................................................................170 Figure 11.5. Minimum Vector Altitude (MVA) Chart...................................................................172 Figure 12.1. Non-DME Teardrop-High Altitude Approach..........................................................176 Figure 12.2. Radial - High Altitude Approach..............................................................................177 Figure 12.3. Arc and Radial Combination Approach.....................................................................177 Figure 12.4. Determining Lead Point............................................................................................178 Figure 12.5. Multiple Facility Approach.......................................................................................179 Figure 12.6. Dead Reckoning Courses..........................................................................................179 Figure 13.1. Low Altitude Procedure at Heathrow.......................................................................180 Figure 13.2. Approach Depicting only the Final Approach Segment.............................................181 Figure 13.3. Approach using a DR Course...................................................................................182 Figure 13.4. Example of NoPT Routing.......................................................................................183 Figure 13.5. Procedure Turn Course Reversal..............................................................................184 Figure 13.6. Procedure Turn Area................................................................................................185 Figure 13.7. Procedure Turn Approach with no FAF Depicted.....................................................186 Figure 13.8. PT Fix Altitude.........................................................................................................187 Figure 13.9. PT Fix Altitude.........................................................................................................187 Figure 13.10. The 45/180 degree and the 80/260 degree...............................................................189 Figure 13.11. HILO PT with Descent at the Holding Fix..............................................................190 Figure 13.12. HILO PT with Descent on the Inbound Leg............................................................190 Figure 13.13. Procedure Track Approach (Straight in).................................................................191 Figure 13.14. Procedure Track Approach (Arcing Final) .............................................................191 Figure 13.15. Procedure Track Approach (Teardrop)...................................................................192 Figure 13.16. Procedure Track Approach (Arc to Radial).............................................................192 Figure 14.1. IAP with Visual Segment..........................................................................................204 Figure 14.2. Charted Visual Flight Procedure (CVFP) ................................................................205 Figure 14.3. Converging ILS Approach........................................................................................207 Figure 15.1. Downward Vision Angle..........................................................................................212 Figure 15.2. Visual Approach Slope Indicator (VASI)..................................................................214 Figure 15.3. Visual Signals Produced by PAPI.............................................................................217 Figure 15.4. Pulsating Visual Approach Slope Indicator (PVASI)................................................217 Figure 15.5. Fresnel Lens Optical Landing System (FLOLS)........................................................219 Figure 15.6. Runway Lighting Systems........................................................................................220 Figure 15.7. Runway Markings....................................................................................................222 Figure 15.8. Displaced Threshold Markings..................................................................................223 10 AFMAN 11–217V1 Figure 15.9. The Circling Approach.............................................................................................225 Figure 16.1. Missed Approach from the Circling Approach..........................................................230 Figure 20.1. Altimeter Settings.....................................................................................................231 Figure 20.2. Types of Altitude......................................................................................................232 Figure 20.3. Segments of Typical Straight-In Instrument Approach with Required Obstacle Clearance (ROC)........................................................................................................................236 Figure 20.4. Descent Gradients by Segment for Typical Straight-In Instrument Approach............237 Figure 20.5. Obstruction Clearance Radius for Circling Approaches.............................................237 Figure 20.6. Flight Path Radius for Missed Approaches................................................................238 Figure 20.7. General Turning Performance (Constant Altitude, Steady Turn)...............................239 Figure 21.l. Correction for Compressibility on DR Computer.......................................................240 Figure 21.2. Airspeed Measurement.............................................................................................243 Figure 21.3. Altimeters.................................................................................................................245 Figure 21.4. Vertical Velocity Indicator (VVI).............................................................................246 Figure 21.5. FD-109 and Three-Axis Attitude Director Indicator (ADI).......................................247 Figure 21.6. deleted........................................................................................................................... Figure 21.7. deleted........................................................................................................................... Figure 21.8. Turn and Slip Indicators...........................................................................................248 Figure 21.9. Precession of Gyroscope Resulting from Applied Deflective Force...........................249 Figure 21.10. Magnetic Compass.................................................................................................250 Figure 21.11. Magnetic Compass Variations and Correction Card................................................251 Figure 22.1. Organs of Equilibrium..............................................................................................254 Figure 22.2. Vestibular (Inner Ear) System...................................................................................256 Figure 22.3. Somatosensory System -- The Seat-Of-The-Pants Sense...........................................258 Figure 22.4. Graveyard Spin/Spiral...............................................................................................260 Figure 22.5. The Coriolis Illusion and the Leans...........................................................................261 Figure 22.6. The Somatogravic Illusion........................................................................................262 Figure 22.7. Visual Illusions.........................................................................................................264 Figure 23.1. 45°/180° Course Reversal.........................................................................................278 Figure 23.2. 80°/260° Course Reversal.........................................................................................278 Figure 23.3. Base Turns...............................................................................................................279 Figure 23.4a. Comparison of FAA and ICAO Airspace................................................................280 Figure 23.4b. ICAO Course Reversal Entry Sector.......................................................................280 Figure 23.5. Procedure Turn Entry (45°/180° or 80°/260°)...........................................................281 Figure 23.6. Base Turn Entry.......................................................................................................281 Figure 23.7. Racetrack Pattern.....................................................................................................282 Figure 23.8. ICAO Holding Pattern Entry Sectors........................................................................284 Figure 25.1. Typical HUD Configuration (Instrument Flight Mode)..............................................290 Attachment 1. Glossary of References and Supporting Information.................................................................295
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