# Accident 20000422012689A: Airtrc AT401B, Lawrenceburg, TN, April 22, 2000

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: April 22, 2000, 15:00 local time
- Place: Lawrenceburg, TN
- Airport: Lawrenceburg Municipal Airport
- Damage: Substantial damage
- Phase of flight: Fcd/Prec Ldg From Cruise
- Operating rules: Agricultural (Part 137)
- Location: 35.2395° N, 87.3306° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=35.2395&lon=-87.3306&mi=10
- Aircraft: N6096P, a cancelled registration (https://openairdocs.org/deregistered/N6096P-2018-01-25) (OpenAirDocs)
- Registry model: Air Tractor AT-401B (registry code 0390207, https://openairdocs.org/model/air-tractor-at-401b) (OpenAirDocs)
- Reported make and model: AIRTRC AT401B
- Reported engine: PWA R1340*
- People aboard: 1
- Fatal injuries: 0
- Pilot flight hours: 4,120 total, 1,315 in this make and model, 38 in the last 90 days
- NTSB investigation: [NTSB ATL00LA046](https://openairdocs.org/ntsb/ATL00LA046) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20000422012689A

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

(-23) AIRCRAFT LOST POWER DURING AERIAL APPLICATION NEAR LEWISBURG, TN AIRPORT. PILOT STATED THAT HE HAD JUST MADE AN APPLICATION RUN AND WAS PULLING UP WHEN HE HEARD A LOUD POP AND OBSERVED FLAMES ROLLING BACK FROM ENGINE.  WITNESSES SUBSTANTIATE THESE STATEMENTS.  ENGINE BEGAN BACKFIRING AND CONTINUED TO SPUTTER AS PILOT ATTEMPTED TO SET THE AIRCRAFT DOWN IN A FIELD.  THE AIRCRAFT IMPACTED A TREE LINE APPROXIMATELY 30 YARDS FROM TOUCHDOWN.  DAMAGE TO AIRCRAFT SUBSTANTIAL.                                              (.4)THE PILOT STATED THAT, WHILE ON AN AERIAL APPLICATION RUN, HE HEARD A LOUD POP AND OBSERVED BLACK SMOKE COMING FROM THE ENGINE EXHAUST. THE PILOT SELECTED AN AREA FOR A FORCED LANDING. WHILE MANEUVERING FOR THE LANDING, THE AIRPLANE COLLIDED WITH TREES.  EXAMINATION OF THE ENGINE DISCLOSED THAT, THE NUMBER 3 CYLINDER'S EXHAUST VALVE WAS STUCK IN THE OPEN POSITION

## The NTSB's investigation of this event (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 ATL00LA046](https://openairdocs.org/ntsb/ATL00LA046), Apr 22, 2000: Air Tractor AT-401-B (N6096P), Lawrenceburg, TN, substantial damage. Probable cause: The loss of engine power due to a stuck exhaust valve that resulted in the collision with a tree while maneuvering for the forced landing.

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record.

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