# NTSB FTW86LRD23: Grumman G-164B, N3632T, Lecompte, LA, August 14, 1986

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Final report
- Date: August 14, 1986, 16:45 local (21:45 UTC)
- Place: Lecompte, LA
- Coordinates: 31.010868, -92.28041 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=31.0109&lon=-92.2804&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): 22146
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW86LRD23
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/22146/pdf
- Page: https://openairdocs.org/ntsb/FTW86LRD23

## Sequence of events

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

- Loss of control - on ground/water, landing - roll
  - weather condition - thunderstorm (contributing factor)
  - weather condition - unfavorable wind (contributing factor)
  - wrong runway - selected, pilot in command (cause)
  - anxiety/apprehension, pilot in command (contributing factor)
- Nose over, landing - roll

## Analysis

THE PLT WAS ENGAGED IN AN AERIAL APPLICATION FLT WHEN A THUNDERSTORM DEVELOPED TO THE SOUTHWEST OF THE AIRSTRIP. THE PLT WAS ATTEMPTING TO LAND TO THE EAST BEFORE THE STORM HIT. CONTROL OF THE ACFT WAS LOST AFTER TOUCHDOWN AND THE ACFT NOSED OVER. A 25 TO 40 KNOT QUARTERING TAINLWIND WAS PRESENT AT THE TIME OF LANDING.

## Aircraft

- Registration: [N3632T](https://openairdocs.org/aircraft/N3632T), registered now, S/N 772B, built 1985 (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 TW-S1-S3-S4](https://openairdocs.org/engine/pratt-whitney-tw-s1-s3-s4) (registry code 52019, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 772B
- Airframe hours: 97
- Engines: P&W R1340 600 horsepower reciprocating
- Damage: Substantial damage
- Flight: Aerial application, Part 137
- Registered owner: Fontenot Flying Service
- Airworthiness certificate: Special, Restricted (Special)
- Airport: Lyles Flying Service

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 39; commercial; airplane ratings: multi-engine land, single-engine land; instrument ratings: airplane; medical: class 2, valid medical--w/ waivers/lim; seat: front; flight hours: 17,380 total, 5,600 in this make and model, 14,000 as pilot in command, 210 in the last 90 days, 10 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: variable at 25 knots, gusting 40
- Visibility: 15 statute miles
- Lowest ceiling: none
- Temperature: 95 °F, dew point 75 °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 19860814040359A](https://openairdocs.org/incident/19860814040359A), Aug 14, 1986: Scwzer G164B, Lecompte, LA, Substantial damage. Pilot landed with 40 knot quartering tailwind. Aircraft flipped over after touchdown. Tried to beat storm to field.

## Other investigations on N3632T (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 SEA06CA123](https://openairdocs.org/ntsb/SEA06CA123), Jun 17, 2006: Schweizer G-164B (N3632T), Murtaugh, ID, substantial damage. Probable cause: The pilot's excessive brake application during the landing roll, which resulted in a nose over.
- [NTSB SEA01LA156](https://openairdocs.org/ntsb/SEA01LA156), Aug 22, 2001: Schweizer G-164B (N3632T), Twin Falls, ID, substantial damage. Probable cause: Nose over during the landing roll for undetermined reasons.
- [NTSB SEA96LA068](https://openairdocs.org/ntsb/SEA96LA068), Mar 13, 1996: Schweizer G-164B (N3632T), Point Of Rocks, WY, destroyed, 1 fatal. Probable cause: the pilot's inadvertent VFR flight into instrument meteorological conditions (IMC), and his failure to maintain aircraft control due to spatial disorientation. Factors relating to the accident were:…

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.