Accident Britten-Norman BN-2A Trislander Mk.III-2 5Y-CMC,
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ASN Wikibase Occurrence # 328822
 

Date:Monday 24 July 1978
Time:
Type:Silhouette image of generic TRIS model; specific model in this crash may look slightly different    
Britten-Norman BN-2A Trislander Mk.III-2
Owner/operator:Amphibians
Registration: 5Y-CMC
MSN: 1032
Year of manufacture:1976
Engine model:Lycoming O-540-E4C5
Fatalities:Fatalities: 5 / Occupants: 11
Aircraft damage: Destroyed, written off
Category:Accident
Location:Nyeri Hills -   Kenya
Phase: En route
Nature:Passenger - Non-Scheduled/charter/Air Taxi
Departure airport:Samburu Airport (UAS/HKSB)
Destination airport:Nairobi-Wilson Airport (WIL/HKNW)
Confidence Rating: Accident investigation report completed and information captured
Narrative:
The aircraft departed Samburu at 08:30 for a 50-minute flight to Nairobi and climbed to an altitude 8500 feet.
Along the route there was a heavy build up of stratus clouds with scattered cumulonimbus sprouting out of the top. The clouds seemed to extend from 2 000 feet up to 11 000 feet and more and the pilot decided to fly below the clouds and continue VFR. He then realized that the weather was deteriorating very rapidly and within the next minute or two the visibility had been reduced to a few yards. Realizing the proximity to the ground, the pilot applied full power and initiated a climb. A hill appeared ahead and the aircraft crashed into the trees in a nose-up attitude.

PROBABLE CAUSE: "The probable cause of this accident was that the pilot flew VFR in IMC weather at a very low altitude, thereby flying blindly into a hill."

Sources:

ICAO Circular 166-AN/105 (95-100)

Location

Revision history:

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