| Date: | Tuesday 4 April 1967 |
| Time: | |
| Type: |  Scottish Aviation Twin Pioneer 1 |
| Owner/operator: | Bristow Helicopters Nigeria (BHN) |
| Registration: | 5N-ABQ |
| MSN: | 523 |
| Year of manufacture: | 1958 |
| Engine model: | Alvis Leonides 514 |
| Fatalities: | Fatalities: 0 / Occupants: |
| Other fatalities: | 0 |
| Aircraft damage: | Destroyed, written off |
| Category: | Accident |
| Location: | near Ughelli Aerodrome -
 Nigeria
|
| Phase: | Approach |
| Nature: | Training |
| Departure airport: | |
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.
Sources:
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