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Accident
Last updated: 13 December 2017
Statuts:Enquête Officielle
Date:mercredi 11 décembre 2013
Heure:15:45
Type/Sous-type:Silhouette image of generic C208 model; specific model in this crash may look slightly different
Cessna 208B Grand Caravan
Compagnie:Makani Kai Air
Immatriculation: N687MA
Numéro de série: 208B-1002
Année de Fabrication: 2002
Heures de vol:4881
Moteurs: 1 Pratt & Whitney Canada PT6A-114A
Equipage:victimes: 0 / à bord: 1
Passagers:victimes: 1 / à bord: 8
Total:victimes: 1 / à bord: 9
Dégats de l'appareil: Substantiels
Conséquences: Written off (damaged beyond repair)
Lieu de l'accident:ca 800 m N off Kalaupapa Airport, HI (LUP) (   Etats-Unis d'Amérique)
Phase de vol: En montée initiale (ICL)
Nature:Transport de Passagers Nat.
Aéroport de départ:Kalaupapa Airport, HI (LUP/PHLU), Etats-Unis d'Amérique
Aéroport de destination:Honolulu International Airport, HI (HNL/PHNL), Etats-Unis d'Amérique
Détails:
The Makani Kai Air Cessna 208B Grand Caravan impacted ocean waters shortly after takeoff from Kalaupapa Airport (PHLU), on the island of Molokai in Hawaii. The airplane sustained substantial damage. The pilot and two passengers were seriously injured, one passenger was fatally injured, and five passengers received minor injuries.
The pilot stated that shortly after takeoff from runway 05, at an altitude of about 400 feet above ground level (agl), he began a left turn for a downwind departure. Shortly after passing 500 feet agl, he motioned toward the power lever to reduce power for the climb when he heard a loud "bang" followed by an immediate loss of engine power. The pilot continued the turn toward land, verified the fuel valves were on, and observed all engine gauges displaying "zero." The pilot realized the airplane was not going to make it to land, and rolled the wings level while broadcasting a mayday distress call. Shortly after, the airplane landed within open ocean water in a flat or slightly nose up attitude.
All the passengers and the pilot exited the airplane through the rear right door, and the airplane remained on the water surface for approximately 25 minutes before it sank. One passenger swam to shore, and United States Coast Guard and Maui Fire and Rescue helicopters recovered the pilot and 7 passengers from the water about 80 minutes after the ditching.
The passenger who died before the first responders arrived was found wearing a partially inflated infant life vest. Another
passenger reported that he also inadvertently used an infant life vest, which he said seemed "small or tight" but "worked fine." If the pilot had provided a safety briefing, as required by regulations, to the passengers that included the ditching procedures and location and usage of floatation equipment, the passengers might have been able to find and use the correct size flotation device.

Probable Cause:

PROBABLE CAUSE: "The loss of engine power due to the fracture of multiple blades on the compressor turbine wheel, which resulted in a ditching. The reason for the blade failures could not be determined due to secondary thermal damage to the blades."

Accident investigation:
cover
Investigating agency: NTSB
Status: Investigation completed
Duration: 2 years and 5 months
Accident number: WPR14FA068
Download report: Summary report

Sources:
» NTSB
» Maui Now
» Star Advertiser
» FAA


Photos

photo of Cessna 208B Grand Caravan N687MA
photo of Cessna 208B Grand Caravan N687MA
photo of Cessna 208B Grand Caravan N687MA
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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 Kalaupapa Airport, HI et Honolulu International Airport, HI est de 99 km (62 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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