- Date
- April 10, 1988, 11:10 local (18:10 UTC)
- Place
- Walla Walla, WA
- Injuries
- 3 uninjured
- Damage
- Substantial damage
- Phase of flight
- Enroute
- Aircraft
- N736KGCessna 172XP
- Weather
- Visual (VMC) · Day
- Status
- Completed · report June 9, 1989
- Report
- Approved by Office Director
- FAA report
- 19880410062129A
- Case key
- 40798
From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.
On this page
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 descent for landing the pilot noted a surge coming from the engine area, accompanied by an increase in rpm's. both the oil temperature and the oil pressure gauges were reading zero. The cylinder head temperature had reached 500 degrees and smoke was coming from the engine area. The pilot then shut down the engine. Landing was accomplished onto a soft cow pasture. During landing roll the aircraft nosed over inverted. Metallurgical examination revealed heat damage and overstress fractures of the components examined. The oil pump drive key was found to have sheared.
Aircraft
- Registration
- N736KG
- Reported as
- Cessna 172XP
- Category
- Airplane
- Serial number
- R1722583
- Airframe hours
- 3,076
- Engine
- Continental IO-360-K, 195 horsepower, reciprocating
- Damage
- Substantial damage
- Flight
- Personal · Part 91
- Operator
- Tom Acree, doing business as Mountain Air
- Registered owner
- Tom Acree
- Airworthiness certificate
- Standard, Normal
- Last inspection
- 100 hour · March 1, 1988
- Departed
- 8S4 · Enterprise, OR
- Destination
- ALW · Walla Walla, WA
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
- Age
- 36
- Certificate
- Private
- Airplane ratings
- Single-engine land
- Medical
- Class 3, Valid Medical--w/ waivers/lim
- Seat
- Left
- Flight hours
- 91 total · 7 in this make and model · 63 as pilot in command · 2 in the last 90 days · 1 in the last 24 hours
Weather
- Conditions
- Visual (VMC) · Day
- Visibility
- 50 statute miles
- Lowest ceiling
- None
- Temperature
- 55 °F
- Altimeter
- 30.00 inHg
FAA reports on this event · 1
The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.