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Last updated: 3 December 2021
Statuts:Enquête Officielle
Date:jeudi 10 juillet 2008
Heure:10:25
Type/Sous-type:Silhouette image of generic BE99 model; specific model in this crash may look slightly different
Beechcraft 99A Airliner
Compagnie:Aerocord
Immatriculation: CC-CFM
Numéro de série: U-145
Année de Fabrication: 1971
Moteurs: 2 Pratt & Whitney Canada PT6A-27
Equipage:victimes: 1 / à bord: 1
Passagers:victimes: 8 / à bord: 8
Total:victimes: 9 / à bord: 9
Dégats de l'appareil: Détruit
Conséquences: Written off (damaged beyond repair)
Lieu de l'accident:1,5 km (0.9 milles) NW of Puerto Montt-Marcel Marchant Airport (   Chili)
Phase de vol: En approche (APR)
Nature:Transport de Passagers Nat.
Aéroport de départ:Puerto Montt-Marcel Marchant Airport (SCPF), Chili
Aéroport de destination:Melinka Airport (SCMK), Chili
Détails:
A Beechcraft 99A passenger plane, operated by Aerocord, was destroyed in an accident near Puerto Montt-Marcel Marchant Airport, Chile. All eight passengers and the pilot were killed.
The airplane took off from Puerto Montt-Marcel Marchant Airport's runway 01 at 10:23, bound for Melinka Airport. Immediately after takeoff the cowling of engine number two unlatched, causing the cowling to open. The pilot levelled off at a height of about 200-300 feet and turned downwind for an emergency landing back on runway 01. The airplane stalled as the pilot turned to finals. It impacted the ground with a nose down attitude and burst into flames.

Probable Cause:

MOST PROBABLE CAUSE (translated from Spanish):
Operational error of the pilot in command by not applying normal approach procedures recommended by the manufacturer and loss control of the aircraft (stall) while returning to land with the left engine cowling open.
CONTRIBUTING FACTORS:
- During preflight inspection it was not discovered that the left engine cowl was not latched.
- Return with the intendion of landing with a speed very close to the stall speed, possibly to avoid the detachment of the cowl due to the wind force.
- Probable increased stall speed by altering the left wing aerodynamics due to the engine open cowl.
- Not having high enough altitude to recover from a stall condition.
- Possible decreased physiological capabilities of the commander of the aircraft, due to the presence of alcohol in his system.
- Possible pilot distraction due to:
* Weather conditions, and
* Open engine cowl.

Accident investigation:
cover
Investigating agency: DGAC Chile
Status: Investigation completed
Duration: 1 year and 4 months
Accident number: Accidente 1489
Download report: Final report

Sources:
» Nueve fallecidos al estrellarse avión en cercanías de aeródromo en Puerto Montt (El Mercurio, 10-7-2008)


Opérations de secours

DGAC Chile issued 4 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 Puerto Montt-Marcel Marchant Airport et Melinka Airport est de 279 km (174 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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