- Date
- August 1, 1990, 17:00 local (22:00 UTC)
- Place
- New Roades, LA
- Injuries
- 2 uninjured
- Damage
- Substantial damage
- Phase of flight
- Maneuvering
- Aircraft
- N64984Cessna 152
- Weather
- Visual (VMC) · Day
- Status
- Completed · report October 2, 1992
- Report
- Approved by Office Director
- FAA report
- 19900801030439A
- Case key
- 23165
From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.
On this page
Probable cause
Unknown mechanical malfunction resulting in engine oil starvation. A contributing factor was rough terrain in which the forced landing was made.
Sequence of events
NTSB’s coding before 2008: each occurrence and phase of flight, and the causes and factors under it. The codes are defined in NTSB’s coding manual.
Analysis
During the instructional flight, the engine suffered a sudden loss of oil pressure, and during the forced landing, the airplane nosed over to the inverted position. As the oil pressure was dropping, so was the engine RPM. There was very little oil in the system after the accident and the oil had been blowing out the engine breather system. The operator said that after the wreckage had been recovered, they had blocked off the engine breather system and then had pressurized it to 15 PSI, but could not find anything mechanical that might have pressurized the crankcase in flight.
Aircraft
- Registration
- N64984
- Reported as
- Cessna 152
- Category
- Airplane
- Serial number
- 15281511
- Airframe hours
- 4,900
- Engine
- Lycoming O-235-L2C, 112 horsepower, reciprocating
- Damage
- Substantial damage
- Flight
- Instructional · Part 91
- Registered owner
- Tillman, Michael
- Airworthiness certificate
- Standard, Utility
- Last inspection
- Annual · July 22, 1990 · 30 hours before
- Departed
- BTR · Baton Rouge, LA
Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.
Flight crew
As NTSB recorded them. NTSB leaves out names.
- Role
- Pilot
- Certificates
- Commercial, Flight instructor
- Airplane ratings
- Single-engine land
- Instrument ratings
- Airplane
- Medical
- Class 2, Valid Medical--no waivers/lim.
- Seat
- Right
- Flight hours
- 380 total
Weather
- Conditions
- Visual (VMC) · Day
- Visibility
- 5 statute miles
- Lowest ceiling
- None
- Temperature
- 90 °F
FAA reports on this event · 1
The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.