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Last updated: 18 November 2019
Statuts:Enquête Officielle
Date:vendredi 19 février 1988
Heure:21:27
Type/Sous-type:Silhouette image of generic SW4 model; specific model in this crash may look slightly different
Swearingen SA227-AC Metro III
Compagnie:AVAir
Immatriculation: N622AV
Numéro de série: AC-622
Année de Fabrication: 1985
Heures de vol:4222
Moteurs: 2 Garrett TPE331-11U-611G
Equipage:victimes: 2 / à bord: 2
Passagers:victimes: 10 / à bord: 10
Total:victimes: 12 / à bord: 12
Dégats de l'appareil: Détruit
Conséquences: Written off (damaged beyond repair)
Lieu de l'accident:1,5 km (0.9 milles) W of Raleigh/Durham Airport, NC (RDU) (   Etats-Unis d'Amérique)
Phase de vol: En montée initiale (ICL)
Nature:Transport de Passagers Nat.
Aéroport de départ:Raleigh/Durham Airport, NC (RDU/KRDU), Etats-Unis d'Amérique
Aéroport de destination:Richmond International Airport (Byrd Field), VA (RIC/KRIC), Etats-Unis d'Amérique
Numéro de vol:3378
Détails:
The Metro aircraft took off from runway 23 at 21:25 and climbed to 300 feet. The plane struck the water within 100 feet of the shoreline of a reservoir at a point 5100 feet west of the midpoint of runway 23R. The wreckage continued into wooded area.

Probable Cause:

On December 13, 1988, the Safety Board determined the probable cause of the accident as follows: "The failure of the flight crew to maintain a proper flight path because of the first officer's inappropriate instrument scan, the captain's inadequate monitoring of the flight, and the flight crew's response to a perceived fault in the airplane's stall avoidance system (SAS). Contributing to the accident was the lack of company response to documented indications of difficulties in the first officer's piloting, and inadequate Federal Aviation Administration surveillance of AVAir."
Then-Board Members John K . Lauber and Joseph T. Nall provided concurring and dissenting statements in which they proposed that the probable cause should read as follows: "The failure of the flightcrew to maintain a proper flightpath in response to an actual or perceived fault in the airplane's stall avoidance system. Contributing to the accident were ineffective management and supervision of flightcrew training and flight operations, and ineffective FAA surveillance of AVAir."

On January 28, 1993, the Air Line Pilots Association's (ALPA) filed a petition for reconsideration and modification of the findings and probable cause. The NTSB granted the petition in part. The probable cause and was modified to read as follows:
PROBABLE CAUSE: "The National Transportation Safety Board determines that the probable cause of this accident was a failure of the flight crew to maintain a proper flightpath. Contributing to the accident were the ineffective management and supervision of flight crew training and flight operations, and ineffective FAA surveillance of AVAir."

Accident investigation:
cover
Investigating agency: NTSB
Status: Investigation completed
Duration: 298 days (10 months)
Accident number: NTSB/AAR-88-10
Download report: Final report

Sources:
» ICAO Adrep Summary 6/89 (#22)
» NTSB/AAR-88/10
» NTSB Response to Petition for Reconsideration


Opérations de secours

NTSB issued 5 Safety Recommendations

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Plan
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 Raleigh/Durham Airport, NC et Richmond International Airport (Byrd Field), VA est de 222 km (139 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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Metro

  • 684 built
  • 21ème loss
  • 9ème accident fatal
  • le accident 3ème le plus grave (à ce moment là)
  • le accident 5ème le plus grave (en ce moment)
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