# NTSB MKC84LA260: Air Tractor AT-301, N31623, Dexter, MO, August 23, 1984

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Limited investigation · Final report
- Date: August 23, 1984, 11:30 local (16:30 UTC)
- Place: Dexter, MO
- Coordinates: 36.78902, -89.959587 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=36.7890&lon=-89.9596&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 33780
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC84LA260
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/33780/pdf
- Page: https://openairdocs.org/ntsb/MKC84LA260

## 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, takeoff - initial climb
  - engine assembly,cylinder - failure,total (cause)
- Forced landing, descent - emergency
  - load jettison - initiated, pilot in command (contributing factor)
- Nose over, landing - flare/touchdown
  - terrain condition - soft (contributing factor)

## Analysis

THE ENGINE ON THE AG-PLANE LOST POWER DURING TAKEOFF AND THE PLT BEGAN DUMPING HIS LOAD AS HE MADE A FORCED LANDING. THELANDING AREA AVAILABLE WAS A FLOODED RICE LEVEE. THE ACFT WAS LANDED TAILWHEEL FIRST BUT WHEN THE MAIN GEAR DUG IN, THE ACFT NOSE OVER. INVESTIGATION REVEALED THE #9 CYLINDER HAD FAILED.

## Aircraft

- Registration: [N31623](https://openairdocs.org/aircraft/N31623), registered now, S/N 301-0522, built 1983 (OpenAirDocs)
- Reported make and model: Air Tractor AT-301
- Registry model: [Air Tractor AT-301](https://openairdocs.org/model/air-tractor-at-301) (registry code 0390103) (OpenAirDocs)
- Registry engine: [Pratt & Whitney R1340 series](https://openairdocs.org/engine/pratt-whitney-r1340-series) (registry code 52016, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 301-0522
- Airframe hours: 311
- Engines: P&W R-1340 600 horsepower reciprocating
- Damage: Substantial damage
- Flight: Aerial application, Part 137
- Operator: James F. Wood, doing business as Wood Flying Service
- Registered owner: James F. Wood
- Airworthiness certificate: Special, Restricted (Special)
- Last inspection: Annual, September 19, 1983

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 31; commercial; airplane ratings: multi-engine land, single-engine land; instrument ratings: airplane; medical: class 2, valid medical--w/ waivers/lim; seat: center; flight hours: 3,934 total, 310 in this make and model, 3,767 as pilot in command, 204 in the last 90 days, 2 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 330° at 10 knots, gusting 12
- Lowest ceiling: none
- Temperature: 79 °F

## 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 19840823049589A](https://openairdocs.org/incident/19840823049589A), Aug 23, 1984: Airtrc AT301, Dexter, MO, Substantial damage. Crash occurred during emergency landing after engine failure during climb after takeoff. Number 9 cylinder failed.

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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