Incident Overview
Date: Tuesday 4 April 1967
Aircraft Type: Scottish Aviation Twin Pioneer 1
Owner/operator: Bristow Helicopters Nigeria (BHN)
Registration Number: 5N-ABQ
Location: near Ughelli Aerodrome –
ÿ Nigeria
Phase of Flight: Approach
Status: Destroyed, written off
Casualties: Fatalities: 0 / Occupants:
Component Affected: The twin engine.The twin engine.
Category: Accident
A Twin Pioneer aircraft experienced a training flight where one engine was shut down due to asymmetric flight and propeller feathering, resulting in airspeed loss and a collision with trees. Fire was initiated, and the crew successfully evacuated.A Twin Pioneer aircraft experienced a training flight where one engine was shut down due to asymmetric flight and propeller feathering, resulting in airspeed loss and a collision with trees. Fire was initiated, and the crew successfully evacuated.
Description
During a training flight one of the engines was shut down at 600 feet agl in order to practice asymmetric flight. The prop didn’t feather and the airspeed dropped below minimum control speed. The Twin Pioneer struck trees at a low forward speed and broke up. Fire broke out, but the crewmembers managed to escape.
Primary Cause
Asymmetric flight and propeller feathering caused airspeed loss and resulted in a collision.Asymmetric flight and propeller feathering caused airspeed loss and resulted in a collision.Share on:
