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Last updated: 27 September 2021
Statuts:Enquête Officielle
Date:lundi 29 janvier 1996
Heure:16:27
Type/Sous-type:Silhouette image of generic C208 model; specific model in this crash may look slightly different
Cessna 208 Caravan I
Compagnie:Sounds Air
Immatriculation: ZK-SFA
Numéro de série: 20800051
Année de Fabrication: 1985
Heures de vol:9515
Moteurs: 1 Pratt & Whitney Canada PT6A-114
Equipage:victimes: 0 / à bord: 1
Passagers:victimes: 5 / à bord: 5
Total:victimes: 5 / à bord: 6
Dégats de l'appareil: Détruit
Conséquences: Written off (damaged beyond repair)
Lieu de l'accident:18 km (11.3 milles) NE of Blenheim (   Nouvelle-Zélande)
Élévation des lieux de l'accident: 430 m (1411 feet) amsl
Phase de vol: En vol (ENR)
Nature:Transport de Passagers Nat.
Aéroport de départ:Wellington International Airport (WLG/NZWN), Nouvelle-Zélande
Aéroport de destination:Picton-Koromiko Airport (PCN/NZOK), Nouvelle-Zélande
Détails:
The Cessna departed Wellington (WLG) for a VFR flight at 2000 feet to Koromiko (PCN). While descending for Koromiko Airport the aircraft entered an area of clouds and flew into the heavily wooded eastern slope of Mount Robertson at 1400 feet (430 m) amsl.

Probable Cause:

Causal factors:
- The decision by the pilot to descend beneath the cloud layer.
- Illusions, created by the conditions, producing misleading visual references.
- The pilot's misidentification of distant terrain features.
- An undetected heading error, and loss of "positional awareness".
- Insufficient forward visibility, during the later stages of the descent.
- The high speed of the aircraft.
- The decision making by the pilot: the delayed decision to descend beneath the cloud layer; continued flight into deteriorating conditions.

Contributing / influencing factors:
- The pilot's familiarity with the area, creating a false sense of security.
- Improved general weather conditions, causing the pilot to relax.
- A possible false horizon, created by a sloping cloud base.
- The absence of documented procedures to ensure pilots crossed the coast south of Rarangi.

Accident investigation:
Investigating agency: TAIC New Zealand
Status: Investigation completed
Duration: 149 days (5 months)
Accident number: 96-006
Download report: Final report

Sources:
» TAIC Investigation 96-006


Opérations de secours

TAIC issued 3 Safety Recommendations

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Photos

photo of Cessna-208-Caravan-I-ZK-SFA
accident date: 29-01-1996
type: Cessna 208 Caravan I
registration: ZK-SFA
 

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 Wellington International Airport et Picton-Koromiko Airport est de 71 km (44 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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