# NTSB FTW87DPJ04: Air Tractor 301, N8865S, Oluskee, OK, March 14, 1987

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Final report
- Date: March 14, 1987, 07:45 local (13:45 UTC)
- Place: Oluskee, OK
- Coordinates: 34.639247, -99.30902 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=34.6392&lon=-99.3090&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report May 2, 1988
- Report: Approved by Office Director
- NTSB case key (mKey): 22176
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW87DPJ04
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/22176/pdf
- Page: https://openairdocs.org/ntsb/FTW87DPJ04

## Sequence of events

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

- Loss of engine power(partial) - mech failure/malf, maneuvering - aerial application
  - engine assembly,cylinder - separation (cause)
- Forced landing, descent - emergency
- Nose over, landing - roll
  - terrain condition - rough/uneven (contributing factor)

## Analysis

DURING AERIAL APPLICATION THE ENGINE SUSTAINED A POWER LOSS DUE TO SEPARATION OF THE NUMBER 9 CYLINDER HEAD. DURING THE FORCED LANDING IN ROUGH TERRAIN THE AIRCRAFT WAS SUBSTANTIALLY DAMAGED.

## Aircraft

- Registration: [N8865S](https://openairdocs.org/deregistered/N8865S-1989-12-04), registration cancelled 1989-12-04, S/N 3010219 (OpenAirDocs)
- Reported make and model: AIR TRACTOR 301
- Registry model: [Air Tractor AT-301](https://openairdocs.org/model/air-tractor-at-301) (registry code 0390103) (OpenAirDocs)
- Category: Airplane
- Serial number: 301-0219
- Airframe hours: 2429
- Engines: P&W R1340AN1 600 horsepower reciprocating
- Damage: Substantial damage
- Flight: Aerial application, Part 137
- Registered owner: Jackson County Spray Serv.,Inc
- Airworthiness certificate: Special, Restricted (Special)
- Last inspection: Annual, December 23, 1986, 59 hours before
- Departed: FO0, OLUSKEE, OK

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 37; commercial; airplane ratings: single-engine land; medical: class 2, valid medical--no waivers/lim.; seat: front; flight hours: 2,800 total, 270 in this make and model, 2,700 as pilot in command, 240 in the last 90 days, 49 in the last 30 days, 5 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Visibility: 15 statute miles
- Lowest ceiling: none
- Temperature: 55 °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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