# NTSB ATL86FKG10: Grumman American G-164A, N31185, Quitman, GA, August 15, 1986

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Final report
- Date: August 15, 1986, 11:15 local (15:15 UTC)
- Place: Quitman, GA
- Coordinates: 30.779006, -83.560562 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=30.7790&lon=-83.5606&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 6996
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ATL86FKG10
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/6996/pdf
- Page: https://openairdocs.org/ntsb/ATL86FKG10

## Sequence of events

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

- Loss of engine power, takeoff - roll/run
  - engine assembly,bearing - failure,total (cause)
- Forced landing, descent - emergency
- In flight collision with terrain/water, landing
  - terrain condition - high obstruction(s) (contributing factor)
  - terrain condition - ditch (contributing factor)
- Nose over, landing - flare/touchdown

## Analysis

SHORTLY AFTER TAKEOFF A LOSS OF PWR WAS EXPERIENCED. THE PLT ATTEMPTED TO LAND IN A COTTON FIELD BUT THE LANDING GEAR CONTACTED A STUMP SHORT OF THE FIELD. THE ACFT THEN CONTACTED A DITCH AND NOSED OVER. POST ACCIDENT INSPECTION REVEALED THE SUPERCHARGER SHAFT BEARING HAD FAILED.

## Aircraft

- Registration: [N31185](https://openairdocs.org/deregistered/N31185-2012-09-25), registration cancelled 2012-09-25, S/N 1617, built 1976 (OpenAirDocs)
- Reported make and model: GRUMMAN AMERICAN 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: 1617
- Engines: P&W R1340-53H1 600 horsepower reciprocating
- Damage: Substantial damage
- Flight: Aerial application, Part 137
- Registered owner: David Mcdaniels
- Airworthiness certificate: Special, Restricted (Special)
- Last inspection: Annual, July 6, 1986, 1,745 hours before

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 31; commercial; airplane ratings: single-engine land; medical: class 2, valid medical--w/ waivers/lim; seat: front; flight hours: 2,320 total, 1,634 in this make and model, 2,195 as pilot in command, 20 in the last 90 days, 18 in the last 30 days, 4 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: calm
- Visibility: 20 statute miles
- Lowest ceiling: none
- Temperature: 91 °F, dew point -0 °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 19860815040339A](https://openairdocs.org/incident/19860815040339A), Aug 15, 1986: Scwzer G164A, Quitman, GA, Substantial damage. Main gear struck an uprooted tree during forced landing after loss of power. Supercharger shaft bearing failed.

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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