ASN Wikibase Occurrence # 334757
| Date: | Friday 20 January 1956 |
| Time: | 08:50 |
| Type: |  Vickers 701 Viscount |
| Owner/operator: | British European Airways - BEA |
| Registration: | G-AMOM |
| MSN: | 26 |
| Year of manufacture: | 1953 |
| Fatalities: | Fatalities: 0 / Occupants: 5 |
| Aircraft damage: | Destroyed, written off |
| Category: | Accident |
| Location: | Blackbushe Airport (BBS) -
 United Kingdom
|
| Phase: | Take off |
| Nature: | Training |
| Departure airport: | Blackbushe Airport (BBS/EGLK) |
| Blackbushe Airport (BBS/EGLK) | |
| Confidence Rating: |  Accident investigation report completed and information captured |
The Vickers Viscount had just arrived from London when it was to take off again for a training flight. Takeoff was commenced at 0850 GMT. Just after lifting off, at V2, the training captain (occupying the left hand seat) wanted to simulate a no. 4 engine failure and had to do 3 steps to accomplish this: moving the no. 4 high pressure cock lever to the feather position; pulling back the throttle lever, and; pressing the feathering button. Without noticing the captain moved the no. 3 engine high pressure cock lever to the feather position and throttled the no. 4 engine back. As a consequence the aircraft banked to the right and struck the ground 250yds from the runway, cartwheeling to a stop.
PROBABLE CAUSE: "The accident was due to an error by the training captain who operated no.3 high pressure cock lever instead of no.4 when simulating a failure of no.4 engine during takeoff. This resulted in the loss of all power from both starboard engines at a critical point of the takeoff."
Sources:
ICAO Accident Digest No.8, Circular 54-AN/49 (34-35)
Location
Revision history:
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