# NTSB LAX82DVA12: Grumman G-164B, N6659Q, Valley Home, CA, February 12, 1982

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Final report
- Date: February 11, 1982, 16:30 local (Feb 12, 1982, 00:30 UTC)
- Place: Valley Home, CA
- Coordinates: 37.799045, -120.740432 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=37.7990&lon=-120.7404&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report February 11, 1983
- Report: Approved by Office Director
- NTSB case key (mKey): 72908
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX82DVA12
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/72908/pdf
- Page: https://openairdocs.org/ntsb/LAX82DVA12

## Sequence of events

In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf).

- Loss of engine power, takeoff - initial climb
  - miscellaneous - undetermined (cause)
- Forced landing, landing - flare/touchdown
- Nose over, landing - roll
  - terrain condition - soft (contributing factor)

## Analysis

THE PILOT REPORTED THAT DURING TAKEOFF, THERE WAS A PARTIAL LOSS OF ENGINE POWER AND THE AIRCRAFT SETTLED BACK TO THE GROUND. THE AIRCRAFT TOUCHED DOWN ON SOFT TERRAIN ABOUT 1/4 MILE FROM THE RUNWAY AND FLIPPED OVER. THE AIRCRAFT CAUGHT ON FIRE AND BURNED WHILE IT WAS BEING MOVED AFTER THE ACCIDENT. REPORTEDLY, FUEL HAD BECOME TRAPPED IN THE FUSELAGE AND THE BATTERY HAD NOT BEEN DISCONNECTED. AN EXAMINATION OF THE WRECKAGE REVEALED NO EVIDENCE OF A MALFUNCTION OR FAILURE.

## Aircraft

- Registration: [N6659Q](https://openairdocs.org/deregistered/N6659Q-1984-05-22), registration cancelled 1984-05-22, S/N 186B (OpenAirDocs)
- Reported make and model: GRUMMAN G-164B
- Registry model: [Grumman Acft ENG Cor-Schweizer G-164B](https://openairdocs.org/model/grumman-acft-eng-cor-schweizer-g-164b) (registry code 3952802) (OpenAirDocs)
- Category: Airplane
- Serial number: 186-B
- Airframe hours: 2170
- Engines: P & W R985-AN-1 450 horsepower reciprocating
- Damage: Destroyed
- Flight: Aerial application, Part 137
- Operator: W. S. Murphy
- Registered owner: Hawke Dusters
- Departed: TREMBLE RANCH, CA
- Destination: TREMBLE RANCH, CA
- Airport: Tremble Ranch, runway 27, 2,100 × 0 ft, dirt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 49; commercial; airplane ratings: single-engine land, multi-engine land; medical: class 2, valid medical--no waivers/lim.; flight hours: 2,590 total, 160 in this make and model, 2,200 as pilot in command, 26 in the last 90 days, 4 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 270° at 5 knots
- Visibility: 10 statute miles
- Temperature: 122 °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 (OpenAirDocs).

- [Accident 19820211006609A](https://openairdocs.org/incident/19820211006609A), Feb 11, 1982: Grumav G164B, Valley Home, CA, Substantial damage. Engine lost power on takeoff climb. Crash-landed off end of runway. Cause of problem undetermined.

## Other investigations on N6659Q (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB LAX80DVA14](https://openairdocs.org/ntsb/LAX80DVA14), Feb 21, 1980: Grumman G-164B (N6659Q), Ceres, CA, substantial damage

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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