# NTSB LAX89DUJ11: Grumman G-164, N8790H, Mohave Valley, AZ, September 23, 1989

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Final report
- Date: September 23, 1989, 10:00 local (17:00 UTC)
- Place: Mohave Valley, AZ
- Coordinates: 34.859771, -114.510299 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=34.8598&lon=-114.5103&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 June 26, 1992
- Report: Approved by Office Director
- NTSB case key (mKey): 26137
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX89DUJ11
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/26137/pdf
- Page: https://openairdocs.org/ntsb/LAX89DUJ11

## Probable cause

A LOSS OF ENGINE POWER FOR UNDETERMINED REASONS.

## Sequence of events

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

- Loss of engine power, takeoff - initial climb
  - reason for occurrence undetermined (cause)
- Forced landing, descent - emergency
- On ground/water encounter with terrain/water, landing - flare/touchdown

## Analysis

THE PILOT EXPERIENCED A LOSS OF POWER DURING TAKEOFF AND ATTEMPTED AN OFF-AIRPORT LANDING. THE AIRCRAFT CONTACTED AN IRRIGATION DITCH AND FLIPPED OVER. ATTEMPTS TO CONTACT THE PILOT/OPERATOR WERE UNSUCCESSFUL.

## Aircraft

- Registration: [N8790H](https://openairdocs.org/deregistered/N8790H-1990-08-10), registration cancelled 1990-08-10, S/N 1529 (OpenAirDocs)
- Reported make and model: Grumman G-164
- Registry model: [Grumman Acft ENG Cor-Schweizer G-164A](https://openairdocs.org/model/grumman-acft-eng-cor-schweizer-g-164a) (registry code 3952801) (OpenAirDocs)
- Category: Airplane
- Engines: P&W R-1340-AN1 600 horsepower reciprocating
- Damage: Substantial damage
- Fire: Unknown
- Flight: Part 137
- Registered owner: Christine L. Dare
- Airworthiness certificate: Special, Restricted (Special)
- Flight plan: Unknown

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; medical: unknown, unknown; seat: front; flight hours: 1,000 total

## Weather

- Conditions: Day

## 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 19890923036059A](https://openairdocs.org/incident/19890923036059A), Sep 23, 1989: Scwzer G164A, Mohave Valley, AZ, Destroyed. Reported power loss on ag operation. Nosed over on forced landing. Unable to locate pilot or owner for details.

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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