# NTSB FTW83LA220: Grumman G-164A, N6743Q, Bastrop, LA, May 11, 1983

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: May 11, 1983, 07:00 local (12:00 UTC)
- Place: Bastrop, LA
- Coordinates: 32.753849, -91.872261 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=32.7538&lon=-91.8723&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 20892
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW83LA220
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/20892/pdf
- Page: https://openairdocs.org/ntsb/FTW83LA220

## Sequence of events

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

- On ground/water encounter with terrain/water, landing - roll
  - terrain condition - ditch (contributing factor)
  - unsuitable terrain or takeoff/landing/taxi area - selected, pilot in command (cause)
- Nose over, landing - roll

## Analysis

AFTER ARRIVING, THE PLT MADE A PASS OVER THE TURF STRIP TO INSPECT IT BEFORE LANDING. HE ELECTED TO LAND; HOWEVER, DURING THE LANDING ROLL-OUT, HE SAW A DITCH RUNNING LATERALLY ACROSS THE STRIP, BUT BY THEN, HE WAS UNABLE TO AVOID IT. SUBEQUENTLY, THE ACFT HIT THE WASHED OUT AREA & NOSED OVER.

## Aircraft

- Registration: [N6743Q](https://openairdocs.org/deregistered/N6743Q-2018-05-31), registration cancelled 2018-05-31, S/N 1715 (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)
- Category: Airplane
- Serial number: 1715
- Engines: P&W R-1340-AN1 600 horsepower reciprocating
- Damage: Substantial damage
- Flight: Aerial application, Part 137
- Registered owner: Jasper W. Grant
- Airworthiness certificate: Special, Restricted (Special)
- Last inspection: 100 hour, February 1, 1983
- Departed: 2F8, BASTROP, LA
- Airport: Mollice Farm, runway 9, 2,500 × 50 ft, grass/turf

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 29; commercial; airplane ratings: single-engine land; medical: class 2, valid medical--no waivers/lim.; seat: front; flight hours: 2,194 total, 150 in this make and model, 2,148 as pilot in command, 50 in the last 90 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: calm
- Visibility: 7 statute miles
- Lowest ceiling: 3,500 ft broken
- 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 19830511018649A](https://openairdocs.org/incident/19830511018649A), May 11, 1983: Scwzer G164A, Bastrop, LA, Substantial damage. Struck a ditch and flipped over while landing on a farm strip. Did not see ditch on aerial runway inspection.

## Other investigations on N6743Q (3)

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 CEN14LA375](https://openairdocs.org/ntsb/CEN14LA375), Jul 18, 2014: Grumman Acft ENG Cor-Schweizer G 164A (N6743Q), Fairview, KS, substantial damage. Probable cause: The backfire of the engine and its loss of power for reasons that could not be determined based on the available evidence.
- [NTSB FTW88DRD01](https://openairdocs.org/ntsb/FTW88DRD01), Oct 8, 1987: Grumman G-164A (N6743Q), Port Allen, LA, substantial damage
- [NTSB FTW81DRJ18](https://openairdocs.org/ntsb/FTW81DRJ18), Jun 8, 1981: Grumman G-164A (N6743Q), Bonita, 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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