ASN Wikibase Occurrence # 138614
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| Date: | Monday 25 February 1991 |
| Time: | 12:58 |
| Type: |  North American T-28B |
| Owner/operator: | World Wide Aeronautical Industries |
| Registration: | N138WW |
| MSN: | 200-221 |
| Engine model: | LYCOMING R1820-71 |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Mesa, Arizona -
 United States of America
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | Tuscon, Arizona |
| Mesa, Arizona | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
Ex-US Navy Bu Aer No 138150
THE AIRCRAFT'S ENGINE UPPER CRANKCASE OIL BREATHER LINE FAILED DURING CRUISE FLIGHT, WHICH ALLOWED THE ENGINE'S OIL TO VENT OVERBOARD. THE LACK OF OIL CAUSED THE ENGINE TO SEIZE AND A TOTAL LOSS OF ENGINE POWER RESULTED. THE PILOT SET UP A POWER-OFF APPROACH TO A ROAD, BUT ALTERED THE AIRCRAFT'S COURSE DUE TO EXCESSIVE VEHICULAR TRAFFIC ON THE ROAD. HE ATTEMPTED TO LAND THE AIRCRAFT IN AN OPEN AREA. ON SHORT FINAL, THE PILOT SAW HIGH TENSION WIRES. TO AVOID COLLIDING WITH THE WIRES, THE PILOT PULLED THE NOSE OF THE AIRCRAFT UP. THE AIRCRAFT CLEARED THE WIRES, BUT THE AIRSPEED SLOWED CAUSING THE AIRCRAFT TO STALL, RESULTING IN A HARD LANDING.
NTSB Probable Cause Narrative
1) THE FAILURE OF THE AIRPLANE'S ENGINE UPPER CRANKCASE OIL BREATHER LINE; 2) TOTAL LOSS OF ENGINE POWER CAUSED BY A LACK OF LUBRICATING OIL. A FACTOR IN THIS ACCIDENT WAS THE PILOT INADVERTANTLY STALLING THE AIRCRAFT TO AVOID A COLLISION WITH A WIRE
Sources:
http://dms.ntsb.gov/aviation/AccidentReports/3tlrcg3are4hgdeok01i44uh1/D09202011120000.pdf
http://www.warbirdregistry.org/t28registry/t28-138150.html
http://aircrashed.com/aircraft/aLAX91LA121.shtml
https://www.aircraftone.com/aircraft/accidents/20001212X16482.asp,https://www.aircraftone.com/aircraft/accidents/20001212x16482.asp
http://www.joebaugher.com/navy_serials/thirdseries16.html
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 20-Sep-2011 13:30 | Dr. John Smith | Added |
| 21-Dec-2016 19:26 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
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