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Last updated: 22 September 2021
Statuts:Enquête Officielle
Date:mercredi 20 avril 2005
Heure:18:50
Type/Sous-type:Silhouette image of generic P3 model; specific model in this crash may look slightly different
Lockheed P-3B Orion
Compagnie:Aero Union
Immatriculation: N926AU
Numéro de série: 185-5171
Année de Fabrication: 1966
Heures de vol:15614
Moteurs: 4 Allison T56-A10W
Equipage:victimes: 3 / à bord: 3
Passagers:victimes: 0 / à bord: 0
Total:victimes: 3 / à bord: 3
Dégats de l'appareil: Perte Totale
Conséquences: Written off (damaged beyond repair)
Lieu de l'accident:22 km (13.8 milles) of Chico, CA (   Etats-Unis d'Amérique)
Phase de vol: En vol (ENR)
Nature:Entrainement
Aéroport de départ:Chico Airport, CA (CIC/KCIC), Etats-Unis d'Amérique
Aéroport de destination:Chico Airport, CA (CIC/KCIC), Etats-Unis d'Amérique
Détails:
The tanker aircraft had taken off from Chico qualification check flight for pilots who were scheduled to conduct firefighting operations during the upcoming fire season. The accident flight involved conducting practice drops of water over an area of rugged mountainous terrain located north of the Chico Airport. Prior to departing on the flight, the airplane was loaded with 2,550 gallons of water.
The Orion crashed and caught fire immediately following the training drop in the rugged terrain of the Lassen National Forest.

Probable Cause:

PROBABLE CAUSE: "Terrain clearance was not maintained while maneuvering for undetermined reasons. Mountainous terrain was a factor."

Accident investigation:
cover
Investigating agency: NTSB
Status: Investigation completed
Duration: 1 year and 4 months
Accident number: SEA05MA085
Download report: Summary report

Sources:
» AP
» FAA
» NTSB


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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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