# NTSB FTW86LRD21: Grumman G-164A, N4842B, Abbeville, LA, July 11, 1986

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Final report
- Date: July 11, 1986, 18:00 local (23:00 UTC)
- Place: Abbeville, LA
- Coordinates: 29.969312, -92.119544 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=29.9693&lon=-92.1195&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 22144
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW86LRD21
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/22144/pdf
- Page: https://openairdocs.org/ntsb/FTW86LRD21

## Sequence of events

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

- Loss of engine power, climb - to cruise
  - reason for occurrence undetermined (cause)
- Forced landing, descent - emergency
- Nose over, landing - roll
  - terrain condition - none suitable (contributing factor)
  - terrain condition - soft (cause)

## Analysis

THE PILOT STATED HE EXPERIENCED A LOSS OF ENGINE POWER AND MADE A FORCED LANDING IN A WET PASTURE WHERE THE AIRCRAFT FLIPPED INVERTED BEFORE COMING TO A STOP. SUBSEQUENT ENGINE EXAMINATION FAILED TO REVEAL A REASON FOR THE POWER LOSS. THE OWNER REPORTED THAT HE SUSPECTED MOISTURE IN THE IGNITION HARNESS SINCE THE AIRCRAFT HAD BEEN SITTING IN THE RAIN FOR SEVERAL DAYS PRIOR TO THE ACCIDENT.

## Aircraft

- Registration: N4842B (not matched to a registry record)
- Reported make and model: GRUMMAN G-164A
- Category: Airplane
- Serial number: 1633
- Airframe hours: 5100
- Engines: P&W 1340-AN1 650 horsepower reciprocating
- Damage: Substantial damage
- Flight: Aerial application, Part 137
- Registered owner: Chris Crusta Flying Service
- Airworthiness certificate: Special, Restricted (Special)
- Last inspection: Annual, April 19, 1986, 248 hours before
- Departed: OR3, ABBEVILL, LA

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 43; commercial; airplane ratings: single-engine land; medical: class 2, valid medical--no waivers/lim.; seat: center; flight hours: 18,000 total, 10,000 in this make and model, 18,000 as pilot in command, 250 in the last 90 days, 8 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: calm
- Visibility: 6 statute miles
- Lowest ceiling: none
- Temperature: 84 °F

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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