- Date
- July 28, 1992, 10:30 local (18:30 UTC)
- Place
- Wasilla, AK
- Injuries
- 3 uninjured
- Damage
- Substantial damage
- Phase of flight
- Enroute
- Aircraft
- N9304BCessna 175
- Weather
- Visual (VMC) · Day
- Status
- Completed · report May 26, 1993
- Report
- Approved by Office Director
- NTSB office
- Alaska Regional Office
- FAA report
- 19920728027949A
- Case key
- 5761
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
Failure of the engine crankshaft due to an oil passage hole being blocked. Contributing to the accident was the unsuitable terrain.
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
The pilot stated that while in cruise flight he heard 3 loud bangs from the engine, then it seized. Disassembly of the engine found the sludge plug dislodged, and the crankshaft broken at the no. 3 rod journal.
Aircraft
- Registration
- N9304B
- Reported as
- Cessna 175
- Category
- Airplane
- Serial number
- 55-104
- Airframe hours
- 3,378
- Engine
- Lycoming O-360-A1D, 200 horsepower, reciprocating
- Damage
- Substantial damage
- Flight
- Personal · Part 91
- Operator
- Dennis L. Hall
- Registered owner
- Dennis L. Hall
- Airworthiness certificate
- Standard, Normal
- Last inspection
- Annual · June 11, 1992 · 28 hours before
- Departed
- MRI · Anchorage, AK
- Destination
- MRI · Anchorage, AK
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
- 47
- Certificate
- Private
- Airplane ratings
- Single-engine land
- Medical
- Class 3, Valid Medical--no waivers/lim.
- Seat
- Left
- Flight hours
- 680 total · 35 in this make and model · 651 as pilot in command · 36 in the last 90 days · 7 in the last 30 days · 1 in the last 24 hours
Weather
- Conditions
- Visual (VMC) · Day
- Wind
- Calm
- Visibility
- 40 statute miles
- Lowest ceiling
- 6,500 ft broken
- Temperature
- 57 °F, dew point 54 °F
- Altimeter
- 29.00 inHg
FAA reports on this event · 1
The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.
Other investigations on N9304B · 1
Matched to the same aircraft by N-number and date.