# NTSB FTW87DRD07: Grumman G-164B, N7500K, Chenneyville, LA, June 26, 1987

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Final report
- Date: June 26, 1987, 13:30 local (18:30 UTC)
- Place: Chenneyville, LA
- Coordinates: 31.010862, -92.280555 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=31.0109&lon=-92.2806&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report May 2, 1988
- Report: Approved by Office Director
- NTSB case key (mKey): 22201
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW87DRD07
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/22201/pdf
- Page: https://openairdocs.org/ntsb/FTW87DRD07

## 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, maneuvering - aerial application
  - engine assembly,connecting rod - failure,total (cause)
- Forced landing, descent - emergency
- Nose over, landing - flare/touchdown
  - terrain condition - crop (contributing factor)
  - terrain condition - high vegetation (contributing factor)

## Analysis

THE ENGINE EXPERIENCED A TOTAL LOSS OF POWER DUE TO A FAILED #1 CONNECTING ROD. DURING THE FORCED LANDING THE LEFT WING CONTACTED COTTON PLANTS WHICH CAUSED THE AIRCRAFT TO VEER LEFT AND FLIP INVERTED.

## Aircraft

- Registration: [N7500K](https://openairdocs.org/deregistered/N7500K-2021-04-27), registration cancelled 2021-04-27, S/N 784 B, built 1986 (OpenAirDocs)
- Reported make and model: GRUMMAN G-164B
- Registry model: [Schweizer G-164B](https://openairdocs.org/model/schweizer-g-164b) (registry code 8059055) (OpenAirDocs)
- Registry engine: [Pratt & Whitney R1340 series](https://openairdocs.org/engine/pratt-whitney-r1340-series) (registry code 52016, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 784B
- Airframe hours: 204
- Engines: P&W R1340AN 600 horsepower reciprocating
- Damage: Substantial damage
- Flight: Aerial application, Part 137
- Operator: Lyles Flying Service
- Registered owner: Lyles Flying Service
- Airworthiness certificate: Special, Restricted (Special)
- Last inspection: Annual, March 2, 1987, 183 hours before
- Departed: LYS, CHENNYVILLE, LA

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; commercial; airplane ratings: multi-engine land, single-engine land; instrument ratings: airplane; medical: class 2, valid medical--w/ waivers/lim; seat: front; flight hours: 14,000 total, 1,500 in this make and model, 1,500 as pilot in command, 180 in the last 90 days, 60 in the last 30 days, 8 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 320° at 5 knots
- Visibility: 7 statute miles
- Lowest ceiling: 10,000 ft broken
- Temperature: 84 °F
- Altimeter: 30.00 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 19870626027529A](https://openairdocs.org/incident/19870626027529A), Jun 26, 1987: Scwzer G164B, Cheneyville, LA, Substantial damage. The aircraft nosed over during landing in a cottonfield. The engine failed during aerial application maneuvers.

## Other investigations on N7500K (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 GAA19CA277](https://openairdocs.org/ntsb/GAA19CA277), May 21, 2019: Grumman G164 (N7500K), Pearsall, TX, destroyed. Probable cause: The pilot's failure to maintain clearance from power lines during low-altitude maneuvering.

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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