Crash-aerien 09 JUL 1982 d'un Boeing 727-235 N4737 - New Orleans International Airport, LA (MSY)
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Statuts:Accident investigation report completed and information captured
Date:vendredi 9 juillet 1982
Type/Sous-type:Silhouette image of generic B722 model; specific model in this crash may look slightly different
Boeing 727-235
Compagnie:Pan American World Airways (Pan Am)
Immatriculation: N4737
Numéro de série: 19457/518
Année de Fabrication: 1968-01-24 (14 years 6 months)
Heures de vol:39253
Moteurs: 3 Pratt & Whitney JT8D-7B
Equipage:victimes: 7 / à bord: 7
Passagers:victimes: 138 / à bord: 138
Total:victimes: 145 / à bord: 145
Victimes au sol:victimes: 8
Dégats de l'appareil: Détruit
Conséquences: Written off (damaged beyond repair)
Lieu de l'accident:1,4 km (0.9 milles) E of New Orleans International Airport, LA (MSY) (   Etats-Unis d'Amérique)
Phase de vol: En montée initiale (ICL)
Nature:Transport de Passagers Nat.
Aéroport de départ:New Orleans International Airport, LA (MSY/KMSY), Etats-Unis d'Amérique
Aéroport de destination:Las Vegas-McCarran International Airport, NV (LAS/KLAS), Etats-Unis d'Amérique
Numéro de vol:PA759
Pan Am Flight 759 was a scheduled flight from Miami (MIA) to Las Vegas (LAS), with an en route stop at New Or1eans (MSY). At 15:58:48 Boeing 727 "Clipper Defiance" taxied from its gate at the New Orleans International Airport. Before leaving the gate, the flightcrew had received ATIS message Foxtrot which read in part "....time one eight five five Zulu, weather, two thousand five hundred scattered, two five thousand thin broken, visibility six miles in haze, temperature niner zero, wind two four zero at two, winds are calm altimeter three zero zero one..."
The flightcrew requested runway 10 for the takeoff and ground control cleared the flight to taxi to runway 10. At 15:59:03, the first officer requested a wind check. Winds were 040 degrees at 8 knots. At 16:02:34, while Flight 759 was taxiing to runway 10, the crew heard a transmission from ground control, advising another airplane of low level wind shear alerts in the northeast quadrants of the airport.
At 16:03:33, the first officer requested another wind check. Ground control replied, "Wind now zero seven zero degrees at one seven... peak gusts two three, and we have low level wind shear alerts all quadrants, appears to be a frontal passing overhead right now, we're right in the middle of everything." The captain then advised the first officer to "...let your airspeed build up on takeoff..." and said that they would turn off the air conditioning packs for the takeoff, which would enable them to increase the EPR's on engines Nos. 1 and 3 to 1.92.
The flightcrew completed the takeoff and departure briefings and turned onto the active runway for takeoff. At l6:06:22, Flight 759 informed the tower that it was ready for takeoff. The local rontroller cleared the flight for takeoff, and the first officer acknowledged the clearance.
About 16:07:57, the Boeing 727 began its takeoff. According to witnesses, the airplane lifted off about 7,000 feet down runway 10, climbed in a wings-level attitude, reached an altitude of about 100 feet to 150 feet above the ground (AGL), and then began to descend towards trees. The airplane crashed into a residential area and was destroyed during the impact, explosion, and subsequent ground fire. Eight persons on the ground were killed.

Probable Cause:

PROBABLE CAUSE: "The airplane's encounter during the lift-off and initial climb phase of flight with a micro-burst induced windshear which imposed a downdraft and a decreasing headwind, the effects of which the pilot would have had difficulty recognizing and reacting to in time for the airplane's descent to be arrested before its impact with trees. Contributing to the accident was the limited capability of current ground based low level windshear detection technology to provide definitive guidance for controllers and pilots for use in avoiding low level wind shear encounters."

Accident investigation:

Investigating agency: NTSB
Status: Investigation completed
Duration: 255 days (9 months)
Accident number: NTSB/AAR-83-02
Download report: Final report

» NTSB-AAR-83/02

Opérations de secours

NTSB issued 20 Safety Recommendations

Show all...


photo of Boeing-727-235-N4737
accident date: 09-07-1982
type: Boeing 727-235
registration: N4737

Ce plan montre l'aéroport de départ ainsi que la supposée destination du vol. La ligne fixe reliant les deux aéroports n'est pas le plan de vol exact.
La distance entre New Orleans International Airport, LA et Las Vegas-McCarran International Airport, NV est de 2394 km (1496 miles).
Accident location: Exact; deduced from official accident report.

Les informations ci-dessus ne représentent pas l'opinion de la 'Flight Safety Foundation' ou de 'Aviation Safety Network' sur les causes de l'accident. Ces informations prélimimaires sont basées sur les faits tel qu'ils sont connus à ce jour.
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Boeing 727

  • 1832 built
  • 38ème loss
  • 32ème accident fatal
  • le accident 3ème le plus grave (à ce moment là)
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 Etats-Unis d'Amérique
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  • le accident 8ème le plus grave (en ce moment)
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