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Statuts:Enquête Officielle
Date:dimanche 8 février 2004
Type/Sous-type:Silhouette image of generic C208 model; specific model in this crash may look slightly different
Cessna 208 Caravan I
Compagnie:Cape York Airlines
Immatriculation: VH-CYC
Numéro de série: 20800108
Année de Fabrication: 1986
Moteurs: 1 Pratt & Whitney Canada PT6A-114
Equipage:victimes: 0 / à bord: 2
Passagers:victimes: 0 / à bord: 0
Total:victimes: 0 / à bord: 2
Dégats de l'appareil: Perte Totale
Conséquences: Written off (damaged beyond repair)
Lieu de l'accident:de Green Island, QLD (   Australie)
Phase de vol: En cours de manoeuvre (MNV)
Aéroport de départ:Cairns Airport, QLD (CNS/YBCS), Australie
Aéroport de destination:Cairns Airport, QLD (CNS/YBCS), Australie
The Cessna Caravan was used for a pilot type endorsement training and departed Cairns at 15:37. Following some upper level air work, the crew requested, and were granted a clearance for, a simulated engine failure and descent to 2,000 ft. The pilot in command retarded the power lever to the flight idle stop and the fuel condition lever to the low idle range, setting a value of 55% engine gas generator speed (Ng). The pilot under training then set the glide attitude at the best glide speed of about 79 knots indicated airspeed and feather the propeller The PIC reported that he instructed the pilot under training to advance the emergency power lever (EPL) to simulate manual introduction of fuel to the engine. He then noticed that there was no engine torque increase, with the engine inter-turbine temperature (ITT or T5) and Ng rapidly decreasing, and a strong smell of fuel in the cockpit. Despite several efforts to relight the engine, they were not successful. They then completed a successful landing in a depth of about 2 m of water near Green Island. The aircraft sustained minor damage during the ditching, but subsequent substantial damage due to salt water immersion.

Probable Cause:

1. The pilots of CYC were conducting in-flight familiarization training using the emergency power lever. That procedure was not contained in the aircraft manufacturer’s pilot operating handbook.
2. The engine manufacturer’s documentation contained information on the use of the emergency power lever, which did not preclude the use of the emergency power lever for in-flight familiarization training.
3. The engine sustained a flameout at an altitude above mean sea level from which reignition of the engine was not successfully completed.
4. Erosion of the first-stage compressor blades would have reduced the aerodynamic efficiency of the compressor blades.

Accident investigation:
Investigating agency: ATSB
Status: Investigation completed
Duration: 10 months
Accident number: ATSB Occurrence 200400443
Download report: Final report
Language: English


Opérations de secours
On 10 November 2004, the engine manufacturer issued Service Information Letter to clarify that the utilisation of the EPL is for emergency use only.

ATSB issued 1 Safety Recommendation
CASA issued 1 Airworthiness Directive

Show all...


photo of Cessna-208-Caravan-I-VH-CYC
accident date: 08-02-2004
type: Cessna 208 Caravan I
registration: VH-CYC


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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Cessna 208

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