- Date
- March 25, 1989, 09:15 local (17:15 UTC)
- Place
- Rosalia, WA
- Injuries
- 1 uninjured
- Damage
- Substantial damage
- Phase of flight
- Initial climb
- Aircraft
- N8792HGrumman-Schweizer G-164A
- Weather
- Visual (VMC) · Day
- Status
- Completed · report September 28, 1990
- Report
- Approved by Office Director
- FAA report
- 19890325004649A
- Case key
- 40988
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
The NTSB’s determination of the probable cause, and any contributing factors.
A loss of engine power due to a supercharger failure. Contributing to the accident was the soft terrain on which the forced landing was made.
Analysis
The plt experienced a pwr loss on takeoff and jettisoned the load. A forced landing was made in a plowed field during which the acft nosed over. Investigation revealed the pwr loss was due to a supercharger failure.
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.
Aircraft
- Registration
- N8792H
- Reported as
- Grumman-Schweizer G-164A
- Category
- Airplane
- Serial number
- 1530
- Airframe hours
- 2,700
- Engine
- P&W R-1340-AN1, 600 horsepower, reciprocating
- Damage
- Substantial damage
- Flight
- Aerial application · Part 137
- Operator
- David D. Burnham, doing business as Burnham Flying Service
- Registered owner
- Lowell R. Richards
- Airworthiness certificate
- Special, Restricted (Special)
- Last inspection
- Annual · August 4, 1988 · 160 hours before
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
- 41
- Certificate
- Commercial
- Airplane ratings
- Single-engine land
- Medical
- Class 2, Valid Medical--no waivers/lim.
- Seat
- Center
- Flight hours
- 14,000 total · 5,000 in this make and model
Weather
- Conditions
- Visual (VMC) · Day
- Wind
- 135° at 6 knots
- Visibility
- 10 statute miles
- Lowest ceiling
- 6,000 ft overcast
- Temperature
- 43 °F
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 N8792H · 2
Matched to the same aircraft by N-number and date.