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Statuts:Enquête Officielle
Date:vendredi 8 mars 1968
Type/Sous-type:Silhouette image of generic F27 model; specific model in this crash may look slightly different
Fairchild F-27
Compagnie:Air Manila International
Immatriculation: PI-C871
Numéro de série: 19
Année de Fabrication: 1958
Heures de vol:21194
Equipage:victimes: 4 / à bord: 4
Passagers:victimes: 10 / à bord: 10
Total:victimes: 14 / à bord: 14
Dégats de l'appareil: Détruit
Conséquences: Written off (damaged beyond repair)
Lieu de l'accident:ca 2 km N off Ibajay (   Philippines)
Phase de vol: En vol (ENR)
Nature:Transport de Passagers Nat.
Aéroport de départ:Manila International Airport (MNL/RPLL), Philippines
Aéroport de destination:Mactan Island-Chicago Naval Air Base (NOP/RPVM), Philippines
Numéro de vol: 507
Air Manila Flight 507 departed Manila (MNL) at 18:14 for a flight to Mactan at FL130. Thunderstorms existed along the route and the crew probably deviated some 10nm right of the airway to avoid the hazardous weather. It was believed that the aircraft suddenly flew into a hidden cumulonimbus that may have appeared as a minor build up, but which was actually a fully developed and active cumulonimbus. Air loads associated with a sudden pull up manoeuvre, combined with gust loading probably caused both horizontal stabilizers to fail. The right-hand outer wing then failed due to air loads generated by a high angle of attack. The F-27 then went out of control and the fuel, escaping from the ruptured fuel tanks, ignited. The aircraft was flown at 180 knots, 40 knots more than recommended turbulent air operating speed.
Parts of the aircraft fell into the sea, just offshore.

Probable Cause:

PROBABLE CAUSE: "In-flight structural failure due to air loads exceeding the design strength, while flying in a thunderstorm cell."

» ICAO Circular 107-AN/81 (215-221)


photo of Fairchild-F-27-PI-C871
accident date: 08-03-1968
type: Fairchild F-27
registration: PI-C871

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 Manila International Airport et Mactan Island-Chicago Naval Air Base est de 564 km (352 miles).
Accident location: Approximate; accuracy within a few kilometers.

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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Fairchild F-27

  • 129 built
  • 11ème loss
  • 8ème accident fatal
  • le accident 5ème le plus grave (à ce moment là)
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