Narrative:
Low oil pressure on the right gearbox of the no. 2 engine en route to Houston forced the crew to feather the propeller, which was not fully achieved. The approach to Houston was high and fast. Half way down the 7600 feet runway full power was applied for a go-around. A blow torch flame was observed from the tail pipe and the no. 1 engine quit. A forced belly landing was carried out.
PROBABLE CAUSE:
pilot in command - failed to follow approved procedures,directives,etc.
miscellaneous acts,conditions - improper emergency procedures
FACTORS:
miscellaneous acts,conditions - poorly planned approach
miscellaneous acts,conditions - failure of two or more engines
miscellaneous acts,conditions - intentional wheels-up
complete power loss - complete engine failure/flameout-1 engine
| Status: | Accident investigation report completed and information captured |
| Date: | Sunday 24 September 1978 |
| Time: | 14:47 |
| Type: |  Grumman G-159 Gulfstream I |
| Operator: | Continental Oil Corp. |
| Registration: | N91G |
| MSN: | 37 |
| First flight: | 1960 |
| Crew: | Fatalities: 0 / Occupants: 2 |
| Passengers: | Fatalities: 0 / Occupants: 18 |
| Total: | Fatalities: 0 / Occupants: 20 |
| Aircraft damage: | Damaged beyond repair |
| Location: | Houston-Hobby Airport, TX (HOU) ( United States of America)
|
| Phase: | Landing (LDG) |
| Nature: | Executive |
| Departure airport: | Ponca City Airport, OK (PNC/KPNC), United States of America |
| Houston-William P. Hobby Airport, TX (HOU/KHOU), United States of America |
Low oil pressure on the right gearbox of the no. 2 engine en route to Houston forced the crew to feather the propeller, which was not fully achieved. The approach to Houston was high and fast. Half way down the 7600 feet runway full power was applied for a go-around. A blow torch flame was observed from the tail pipe and the no. 1 engine quit. A forced belly landing was carried out.
Probable Cause:
PROBABLE CAUSE:
pilot in command - failed to follow approved procedures,directives,etc.
miscellaneous acts,conditions - improper emergency procedures
FACTORS:
miscellaneous acts,conditions - poorly planned approach
miscellaneous acts,conditions - failure of two or more engines
miscellaneous acts,conditions - intentional wheels-up
complete power loss - complete engine failure/flameout-1 engine
Sources:
» NTSBPhotos
Map
This map shows the airport of departure and the intended destination of the flight. The line between the airports does not display the exact flight path.
Distance from Ponca City Airport, OK to Houston-William P. Hobby Airport, TX as the crow flies is 801 km (500 miles).
Distance from Ponca City Airport, OK to Houston-William P. Hobby Airport, TX as the crow flies is 801 km (500 miles).
This information is not presented as the Flight Safety Foundation or the Aviation Safety Network’s opinion as to the cause of the accident. It is preliminary and is based on the facts as they are known at this time.
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