# NTSB FTW86FRD11: Grumman G-164A, N4561, Crowley, LA, March 31, 1986

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Final report
- Date: March 31, 1986, 11:55 local (17:55 UTC)
- Place: Crowley, LA
- Coordinates: 30.209842, -92.370063 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=30.2098&lon=-92.3701&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 21955
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW86FRD11
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/21955/pdf
- Page: https://openairdocs.org/ntsb/FTW86FRD11

## 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
  - engine assembly,cylinder - cracked (cause)
  - engine assembly,cylinder - failure,total (cause)
- Forced landing, descent - emergency
- In flight collision with object, landing - flare/touchdown
  - object - wire,transmission
  - object - residence
- In flight collision with terrain/water, landing - flare/touchdown

## Analysis

THE ACFT CRASHED INTO WIRES AND A HOUSE DURING AN ATTEMPTED FORCED LANDING. THE PLT WAS PREPARING TO DO RICE SEEDING WHEN THE ENG BEGAN TO BACKFIRE & LOSE POWER. THE PLT WAS TRYING TO RETURN TO THE AG STRIP WHEN THE ENG QUIT AND HE WAS FORCED TO LAND. ENG INSPECTION REVEALED THAT THE #2 CYL WAS CRACKED AND HAD LOST COMPRESSION.

## Aircraft

- Registration: [N4561](https://openairdocs.org/deregistered/N4561-2018-01-04), registration cancelled 2018-01-04, S/N 1056, built 1973 (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: 1056
- Airframe hours: 5347
- Engines: P&W R-1340AN1 600 horsepower reciprocating
- Damage: Substantial damage
- Flight: Aerial application, Part 137
- Operator: Duane'S Flying Service
- Registered owner: Firs, Inc.
- Airworthiness certificate: Special, Restricted (Special)
- Last inspection: 100 hour, March 9, 1986, 90 hours before
- Departed: CROWLEY, LA

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 50; commercial; airplane ratings: single-engine land; medical: class 2, unknown; seat: front; flight hours: 2,244 total, 2,000 in this make and model, 2,153 as pilot in command, 80 in the last 90 days, 40 in the last 30 days, 6 in the last 24 hours

## Weather

- Conditions: Not reported
- Wind: 170° at 7 knots
- Visibility: 7 statute miles
- Temperature: 81 °F, dew point 48 °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 19860331008429A](https://openairdocs.org/incident/19860331008429A), Mar 31, 1986: Scwzer G164A, Crowley, LA, Substantial damage. Crash occurred during attempted emergency landing after cylinder failure of engine.

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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.