- Date
- May 20, 1986, 16:00 local (21:00 UTC)
- Place
- Port O'Connor, TX
- Injuries
- 1 uninjured
- Damage
- Substantial damage
- Phase of flight
- Maneuvering
- Aircraft
- N6740QGrumman G-164B
- Weather
- Visual (VMC) · Day
- Status
- Completed
- Report
- Approved by Office Director
- FAA report
- 19860520019119A
- Case key
- 22156
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.
Loss of engine power(partial) - mech failure/malf
Engine assembly,push rod - failure,totalCause
Reason for occurrence undeterminedCause
Forced landing
Nose over
Terrain condition - softCause
Terrain condition - none suitableCause
Analysis
Acft flipped over on touchdown during an emergency landing in a cultivated field following a partial power loss during a swath run at 30 ft AGL. Investigation revealed that the no. 1 cyl exhaust valve push rod had failed. Exact cause of the push rod failure was not determined.
Aircraft
- Registration
- N6740Q
- Reported as
- Grumman G-164B
- Category
- Airplane
- Serial number
- 254-B
- Airframe hours
- 3,533
- Engine
- P&W R-1340-4N1, 600 horsepower, reciprocating
- Damage
- Substantial damage
- Flight
- Aerial application · Part 137
- Registered owner
- Donald R. White
- Airworthiness certificate
- Special, Restricted (Special)
- Last inspection
- Unknown · April 20, 1986 · 90 hours before
Flight crew
As NTSB recorded them. NTSB leaves out names.
- Role
- Pilot
- Age
- 42
- Certificate
- Commercial
- Airplane ratings
- Single-engine land
- Medical
- Class 2, Valid Medical--no waivers/lim.
- Seat
- Center
- Flight hours
- 10,900 total
Weather
- Conditions
- Visual (VMC) · Day
- Wind
- 30° at 5 knots
- Visibility
- 15 statute miles
- Temperature
- 82 °F, dew point 55 °F
- Altimeter
- 29.00 inHg
- Observed at
- IAH, 130 nm away
FAA reports on this event · 1
The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.