# NTSB LAX83LA128: Grumman G-164A, N4529, Williams Afb, AZ, March 6, 1983

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: March 6, 1983, 13:15 local (20:15 UTC)
- Place: Williams Afb, AZ
- Location: 33.3069° N, 111.6608° W: Placed by OpenAirDocs: center of Williams Air Force Base, AZ, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=33.3069&lon=-111.6608&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 23632
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX83LA128
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/23632/pdf
- Page: https://openairdocs.org/ntsb/LAX83LA128

## Sequence of events

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

- Loss of engine power, maneuvering - aerial application
  - reason for occurrence undetermined (cause)
- Forced landing, landing
- Undetermined, landing
  - terrain condition - soft (contributing factor)
  - terrain condition - wet (contributing factor)

## Analysis

WHILE ON A SPRAY RUN, THE ENG LOST POWER. SUBSEQUENTLY, THE ACFT WAS DAMAGED DURING A FORCED LANDING.

## Aircraft

- Registration: [N4529](https://openairdocs.org/deregistered/N4529-2012-07-19), registration cancelled 2012-07-19, S/N 1051, built 1973 (OpenAirDocs)
- Reported make and model: GRUMMAN G-164A
- Registry model: [Grumman Acft ENG Cor-Schweizer G-164A](https://openairdocs.org/model/grumman-acft-eng-cor-schweizer-g-164a) (registry code 3952801) (OpenAirDocs)
- Registry engine: [Pratt & Whitney R1340 series](https://openairdocs.org/engine/pratt-whitney-r1340-series) (registry code 52016, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 6025
- Engines: P&W 1 450 horsepower reciprocating
- Damage: Substantial damage
- Flight: Aerial application, Part 137
- Registered owner: Flight Applications, Inc.
- Airworthiness certificate: Standard, Utility

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 54; commercial; airplane ratings: multi-engine land, single-engine sea, single-engine land; instrument ratings: airplane; medical: class 2, valid medical--w/ waivers/lim; seat: center; flight hours: 13,530 total

## Weather

- Conditions: Visual (VMC), Day
- Wind: calm
- Visibility: 20 statute miles
- Lowest ceiling: none
- Temperature: 64 °F

## 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 19830306008299A](https://openairdocs.org/incident/19830306008299A), Mar 6, 1983: Scwzer G164A, Williams, AZ, Substantial damage. Engine quit on a spray run. Force landed in a muddy field on Williams Afb property.

## Other investigations on N4529 (2)

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 LAX76DUK03](https://openairdocs.org/ntsb/LAX76DUK03), Aug 12, 1976: Grumman G-164A (N4529), Gila Bend, AZ, destroyed
- [NTSB LAX75DUJ22](https://openairdocs.org/ntsb/LAX75DUJ22), Aug 24, 1974: Grumman G-164A (N4529), Buckeye, AZ, 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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