FTW87DPJ02

NTSB accident investigation · Air Tractor AT-302 · Colony, OK · February 11, 1987

Accident · Serious injuriesFinal report
Date
February 11, 1987, 16:15 local (22:15 UTC)
Place
Colony, OK
Injuries
1 serious
Damage
Substantial damage
Phase of flight
Maneuvering
Aircraft
N8864SAir Tractor AT-302
Weather
Visual (VMC) · Day
Status
Completed · report March 10, 1988
Report
Approved by Office Director
FAA report
19870211002689A
Case key
22174

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.

On this page

Sequence of events

NTSB’s coding before 2008: each occurrence and phase of flight, and the causes and factors under it. The codes are defined in NTSB’s coding manual.

Loss of engine power(total) - mech failure/malfManeuvering - aerial application
Engine assembly,bearing - disintegratedCause
Turboshaft engine,gas generator - failure,totalCause
Forced landingDescent - emergency
Emergency procedure - attemptedPilot in commandFactor
Load jettison - performedPilot in command
In flight collision with terrain/waterLanding
Terrain condition - wetFactor

Analysis

During a downwind swath run the number one compressor bearing failed in the ltp 101-600-1A engine which resulted in the engine failing completely. During an attempt to turn into the wind for an emergency landing the left wing tip struck the ground and the aircraft received substantial damage.

Aircraft

Registration
N8864S
Reported as
Air Tractor AT-302
Category
Airplane
Serial number
302-0218
Airframe hours
1,408
Engine
Lycoming LTP101-600A1A, 599 horsepower, reciprocating
Damage
Substantial damage
Flight
Aerial application · Part 137
Operator
Allin Lawerence, doing business as A & L Aerial Spraying,Inc.
Registered owner
A & L Aerial Spraying, Inc.
Airworthiness certificate
Special, Restricted (Special)
Last inspection
Annual · March 30, 1985 · 282 hours before
Departed
PVT · Eakly, OK

Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
42
Certificate
Commercial
Airplane ratings
Single-engine land
Medical
Class 2, Invalid Medical for flight
Seat
Center
Flight hours
6,200 total · 800 in this make and model · 5,800 as pilot in command · 50 in the last 90 days · 8 in the last 30 days · 2 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Lowest ceiling
None
Temperature
-0 °F

FAA reports on this event · 1

The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.