# NTSB FTW82DA239: Grumman G-164A, N9684, Jennings, LA, June 22, 1982

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Final report
- Date: June 22, 1982, 09:00 local (14:00 UTC)
- Place: Jennings, LA
- Coordinates: 30.760509, -90.509124 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=30.7605&lon=-90.5091&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report June 22, 1983
- Report: Approved by Office Director
- NTSB case key (mKey): 71194
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW82DA239
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/71194/pdf
- Page: https://openairdocs.org/ntsb/FTW82DA239

## Sequence of events

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

- Loss of engine power(total) - mech failure/malf, cruise - normal
  - engine assembly,connecting rod - disconnected (cause)
  - engine assembly,cylinder - overload (cause)
- Forced landing, landing - flare/touchdown
- Nose over, landing - roll
  - terrain condition - rough/uneven (contributing factor)

## Analysis

THE PILOT HAD JUST FINISHED SPRAYING AND WAS ON HIS WAY BACK TO THE AIRPORT WHEN THE ENGINE FAILED. A FIELD WITH GRASS WAS SELECTED FOR AN EMERGENCY LANDING. DURING THE LANDING ROLL, THE AIRCRAFT ENCOUNTERED RUTS AND NOSED OVER. THE OPERATOR REPORTED THAT THE #4 CONNECTING ROD CAME LOOSE AND THE PISTON WAS FORCED TOO FAR INTO THE CYLINDER, BRAKING THE HEAD FROM THE BARREL.

## Aircraft

- Registration: [N9684](https://openairdocs.org/deregistered/N9684-2009-09-01), registration cancelled 2009-09-01, S/N 1210, built 1974 (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: 1210
- Airframe hours: 5124
- Engines: P & W R-1340-AN1 600 horsepower reciprocating
- Damage: Substantial damage
- Flight: Part 137
- Operator: Riceland Aviation Inc.
- Registered owner: Riceland Aviation Inc.
- Departed: JENNINGS, LA
- Destination: JENNINGS, LA

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 20; commercial; airplane ratings: single-engine land; medical: class 2, valid medical--no waivers/lim.; flight hours: 2,100 total, 1,400 in this make and model, 2,027 as pilot in command, 300 in the last 90 days, 2 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 270° at 5 knots
- Visibility: 10 statute miles
- Temperature: 176 °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 19820622024229A](https://openairdocs.org/incident/19820622024229A), Jun 22, 1982: Scwzer G164A, Jennings, LA, Substantial damage. Engine quit during return to base. Flipped over landing. Connecting rod came loose, cylinder broke off jug.

## Other investigations on N9684 (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 FTW75FRD53](https://openairdocs.org/ntsb/FTW75FRD53), May 14, 1975: Grumman G-164A (N9684), Welsh, LA, 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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