Narrative:
After leveling at 5500 feet, the standby power annunciator light illuminated, followed by loss of oil pressure. The pilot turned back toward the airport, but there was a progressive loss of engine power and the prop went to a feathered position. During an emergency landing at night, the aircraft hit a power line and trees, then crashed.
The National Transportation Safety Board determines the probable cause(s) of this accident as follows:
lubricating system,oil scavenge pump..loose
fluid,oil..starvation
lubricating system,oil scavenge pump..jammed
lubricating system,oil scavenge pump..failure,total
Contributing Factors:
light condition..night
object..wire,transmission
object..tree(s)
| Status: | Accident investigation report completed and information captured |
| Date: | Friday 4 September 1987 |
| Time: | 22:45 |
| Type: |  Cessna 208 Caravan I |
| Operator: | Martinaire |
| Registration: | N807LA |
| MSN: | 20800026 |
| First flight: | 1985 |
| Total airframe hrs: | 222 |
| Engines: | 1 Pratt & Whitney Canada PT6A-114 |
| Crew: | Fatalities: 0 / Occupants: 1 |
| Passengers: | Fatalities: 0 / Occupants: 0 |
| Total: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Damaged beyond repair |
| Location: | Bulverde, TX ( United States of America)
|
| Phase: | En route (ENR) |
| Nature: | Cargo |
| Departure airport: | San Antonio International Airport, TX (SAT/KSAT), United States of America |
| Dallas-Love Field, TX (DAL/KDAL), United States of America |
After leveling at 5500 feet, the standby power annunciator light illuminated, followed by loss of oil pressure. The pilot turned back toward the airport, but there was a progressive loss of engine power and the prop went to a feathered position. During an emergency landing at night, the aircraft hit a power line and trees, then crashed.
Probable Cause:
The National Transportation Safety Board determines the probable cause(s) of this accident as follows:
lubricating system,oil scavenge pump..loose
fluid,oil..starvation
lubricating system,oil scavenge pump..jammed
lubricating system,oil scavenge pump..failure,total
Contributing Factors:
light condition..night
object..wire,transmission
object..tree(s)
Accident investigation:
 |
|
Classification:
Forced landing outside airport
Photos
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 San Antonio International Airport, TX to Dallas-Love Field, TX as the crow flies is 397 km (248 miles).
Distance from San Antonio International Airport, TX to Dallas-Love Field, TX as the crow flies is 397 km (248 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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