# NTSB MKC87LA153: Grumman G-164A, N6568, Widener, AR, July 31, 1987

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: July 31, 1987, 15:00 local (20:00 UTC)
- Place: Widener, AR
- Coordinates: 35.019283, -90.679969 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=35.0193&lon=-90.6800&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report October 7, 1988
- Report: Approved by Office Director
- NTSB case key (mKey): 34425
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC87LA153
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/34425/pdf
- Page: https://openairdocs.org/ntsb/MKC87LA153

## 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, descent - emergency
- Nose over, landing - flare/touchdown
  - terrain condition - none suitable (contributing factor)
  - terrain condition - soft (contributing factor)

## Analysis

THE AG AIRPLANE WAS MAKING THE FINAL SWATH RUN OVER A COTTONFIELD WHEN THE ENGINE LOST POWER. AFTER TOUCHDOWN IN A RICEFIELD, THE AIRPLANE FLIPPED FORWARD TO THE INVERTED POSITION. THE REASON FOR THE POWER LOSS COULD NOT BE DETERMINED.

## Aircraft

- Registration: [N6568](https://openairdocs.org/deregistered/N6568-1996-03-12), registration cancelled 1996-03-12, S/N 707 (OpenAirDocs)
- Reported make and model: GRUMMAN G-164A
- Registry model: [Grumman G-164A](https://openairdocs.org/model/grumman-g-164a) (registry code 3952704) (OpenAirDocs)
- Category: Airplane
- Serial number: 707
- Engines: P&W R-985-AN1 450 horsepower reciprocating
- Damage: Substantial damage
- Flight: Aerial application, Part 137
- Registered owner: Osceola Aerial Serivce, Inc.
- Airworthiness certificate: Special, Restricted (Special)
- Last inspection: Annual, January 1, 1987

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 49; commercial; airplane ratings: single-engine land; instrument ratings: airplane; medical: class 2, valid medical--no waivers/lim.; seat: center; flight hours: 2,004 total, 1,364 in this make and model

## Weather

- Conditions: Visual (VMC), Day
- Visibility: 4 statute miles
- Lowest ceiling: none
- Temperature: 90 °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 19870731040409A](https://openairdocs.org/incident/19870731040409A), Jul 31, 1987: Scwzer G164A, Widener, AR, Substantial damage. Engine quit during a spray run. Flipped over in a rice field. Only defect found was a lead off a spark plug.

## Other investigations on N6568 (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 FTW94LA217](https://openairdocs.org/ntsb/FTW94LA217), Jul 1, 1994: Grumman G-164A (N6568), Marked Tree, AR, substantial damage. Probable cause: THE POWER LOSS FOR UNDETERMINED REASONS. FACTORS WERE THE PILOT'S INADVERTENT ENTRY INTO A STALL AND THE LACK OF SUITABLE TERRAIN ONTO WHICH TO EXECUTE THE LANDING.

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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