Emergency Airplane RATs Michael J. Zolidis Chief Engineer Electric Systems February 21, 2006 Page 1 12-2-2002 Over 50 Years of Electric Systems Aerospace Experience 1945 50 55 60 65 70 75 80 85 90 95 2000 2005 MD-90 C-131 F-8U/2N A-10 DC-8 SERIES 70 GULFSTREAM IV LCA TU-204R A340-500 /600 C-5 RERP B-47 C-133 F-8U/3 CH-54 C-5A TORNADO CH53 CH-47D E-8A SAAB 2000 AIRBORNE LASER A400M F-3C B-66 KC-135A CH46A-3J FALVCCO-1N0F 2-40 DC-8K SCE-1R3I5EES 6V0FGW-2-62124/CS-2A7BRELINERXFV-12AJA-37 CL-6B0A0E-14T6R-1 B-1B JAHSA-3W9KER 8S00R -/711000 X-E3F1AA F2AVRO R7J77-200737C-L6-0600 /4700N /78I7M070R-3O0D0 2000 F-35 E-2C F-101 CL-44 S-3A E-3A F-20 EH 101 F-22 JSF/CDA ARJ21 B-57 F-106 B-52FJE/GTSTARB-52H CH-3C737A-J1-0307/200EA-6B F-1F4AALCON 2D00HC-7 E-4B LEARJETS 5H5 / UHK-6BC0--2135R EV-6-A22 LCE-1A7RAJET 60 A31R9EAFHA- 6260007L1-71D5H9C-8-40E07R2J8-1J3E5T A380 SR-71 A300-600 A340 DHC-8-300 D609 G550-AEP MMA B-36 F-2F7-B1-0508 J-35DCS-28FB-57D CC-1H3457BA-CDC-9 AF--278A CPC--F12-4J51 CAL-R1A0V1UA1ES3L-01L0EB 10B 100H A/ FWT--1K465 AA/B MD-8077347F7--3-130600 0CC /4- /10D 0/ E /N/C50M0 /STFO-1HL5AFEW-1K4 AB23/0D300 VC-25ASAAB 2000FIOL-K9K6EMR/T 7E0RJCF-R1/A4JM5--71D08-0 E10/F CGAVRC-SGLP O16L0IFTER SGU-K4H50OI RRJ F-102 CONCORDE MERCURE F-15 AV-8B CL-601 FOKKER 50 CRJ-100 /200 757-300 727-200 ADV 767 AWACS 737AEW&C Commercial CL-28 F-111 DHC-5D VH-3D EF-111A A310 C-5B MD-11 A321 GLOBAL EXPRESS X-45 UCAV 787 Military 720B AMX LEARJET 45 Business 747-100/200 A-4 H/M 757 IDF A320 HAWKER HORIZON E-10A Ram Air Turbine 707 P-2E/H KFIR 767 FOKKER 100 DHC-8-200 A-6E/KA-6D EMBRAER 727 DC-10 DHC-8-100 170/190 F-18 C/ D 747-400 C-130J Falcon F7X 767-400ER 1945 50 55 60 65 70 75 80 85 90 95 2000 2005 Page 2 12-2-2002 Video Page 3 12-2-2002 Page 4 12-2-2002 What is a Ram Air Turbine? • A small windmill that extracts power from the airflow • Most common use is to provide emergency power in the event of an all-engines out failure Page 5 12-2-2002 Emergency Ram Air Turbine Purpose: provide emergency power to essential systems when all engines fail Hydraulic power • for powered actuation of flight control surfaces Electric Power • for flight control computers, essential instruments, radio, cockpit lighting, windshield and pitot tube de-icing The airplane becomes a glider when all engines fail Page 6 12-2-2002 Page 7 12-2-2002 What could cause an all-engines out condition? • Fuel exhaustion • Fuel contamination • Volcanic ash damage • Extremely heavy rain or hail • Human error Page 8 12-2-2002 Ram Air Turbines Save Lives! Boeing 767 - Fuel Exhaustion - August 1983 69 Lives Saved Page 9 12-2-2002 Ram Air Turbines Save Lives! CL600 - Fuel Contamination- March 1994 2 Lives Saved Page 10 12-2-2002
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