G-ZAPU, Titan Airways, Boeing 757-2Y0, RB211-535E4, RB2114K-AZ38, Austrian Airlines AUA, Boeing 757-256, RB211-535E4, RB211, genericTF-FIU, Boeing 757-256, RB211B-2811, Boeing 757-21B, China Southern Airlines CSN, RB211TC-GEN, Birgenair, Boeing 757-225, RB211-535 E4, RB211TC-GEN, Birgenair, Boeing 757-225, RB211-535 E4, RB211TC-GUL, Birgenair, Boeing 757-225, RB211-535 E4, RB211EC-FFK, Boeing 757-236, Iberia Airlines, IBE, 757-200 seriesC-GAWB, Odyssey International Airlines, Boeing 757-28ATF-FIJ, IcelandAir, Boeing 757-208, SvandisTP-01, Boeing 757-225, Fuerza Aerea Mexicana, RB211D-ABOH, Boeing 757-330TC-OGC, Atlas Airlines, Boeing 757-2G5, RB211N321LF, Boeing 757-2Q8 (ET), Avianca Colombia, 757-200 seriesG-BPEI, Boeing 757-236SF, British Airways BAW, RB211G-CPEL, Boeing 757-236SF, British Airways BAW, RB211
TC-GEN, Birgenair, Boeing 757-225, RB211-535 E4, RB211
Code Number:
TAFV34P11_04
Title:
TC-GEN, Birgenair, Boeing 757-225, RB211-535 E4, RB211
CN: 22206
LN: 31
First flight: 03/02/1984
Engines: 2x RR RB211-535 E4

26/02/1985 Eastern Airlines EAL N516EA
20/05/1992 Nationair C-FNXN
01/05/1993 Aeronautics Leasing N7079S
14/07/1993 Birgenair TC-GEN
19/12/1994 International Caribbean Airways 8P-GUL
31/03/1995 Birgenair TC-GEN

Accident Report:
Date: 06/02/1996
Time: 23:47
Location: Puerto Plata, Dominican Republic

Flight number: 601
Departure airport: Puerto Plata, La Union - Dominican Republic (POP / MDPP)
Arrival airpor:t Gander, Gander International Airport - Canada Newfoundland (YQX / CYQX)
People on board: 189 (176 Passengers et 13 crew members)
On board fatalities: 186
On ground fatalities: 0

Accident
Phase: En route
Narrative:
Flight ALW 301 departed Puerto Plata for a charter flight to Frankfurt via Gander and Berlin at 23:42 LT. At 80 knots on take-off the captain found out that his air speed indicator (ASI) wasn't working properly. The co-pilot's indicator seemed to work fine. While climbing through 4700 feet the captain's ASI read 350 knots (real speed was about 220 knots); this resulted in an autopilot/autothrottle reaction to increase the pitch-up attitude and a power reduction in order to lower the airspeed. At that time the crew got 'Rudder ratio' and 'Mach airspeed' advisory warnings. Both pilots got confused when the co-pilot stated that his ASI read 200 knots decreasing while getting an excessive speed-warning, followed by a stick shaker warning. This led the pilots to believe that both ASIs were unreliable.
Finally realizing that they were losing speed and altitude they disconnected the autopilot (which, fed by the captain's faulty ASI, had reduced the speed close to the stall speed) and applied full thrust. At 23:47:17 an aural GPWS warning sounded. Eight seconds later the aircraft struck the ocean.
The incorrect ASI readings were possibly caused by an obstructed pitot tube, which had been left uncovered for 3-4 days prior to this flight.

PROBABLE CAUSE: "The crew's failure to recognize the activation of the stick shaker as a warning of imminent entrance to the stall, and the failure of the crew to execute the procedures for recovery from the onset of loss of control."
Keywords:
Boeing 757, B-757, Twin Engine, Narrow Body, Narrowbody, Jet, Single Aisle, Fanjet, Jetliner, Long Range, Turbofan, Fixed wing multi engine, low-wing, Birgenair, Airlines, Caribbean, Fixed-Wing Airliner, Passenger Plane, Aircraft, Airline, Airplane, Commercial Aviation, Transport, Travel, Technology, Aerospace, Civil Transportation, Fleet, Livery, Equipment, Airframe, Commerce, Avion

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