MKC87LA137

NTSB accident investigation · Air Tractor AT301A · Baderville, MO · July 12, 1987

Accident · No injuriesLimited investigationFinal report
Date
July 12, 1987, 16:00 local (21:00 UTC)
Place
Baderville, MO
Injuries
1 uninjured
Damage
Destroyed
Phase of flight
Enroute
Aircraft
N3169NAir Tractor AT301A
Weather
Visual (VMC) · Day
Status
Completed · report October 7, 1988
Report
Approved by Office Director
FAA report
19870712034469A
Case key
34411

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.

Airframe/component/system failure/malfunctionCruise
Propeller system/accessories,blade - previous damageFactor
Propeller system/accessories,blade - failure,totalCause
Propeller system/accessories,blade - separationCause
Forced landingDescent - emergency
Nose overLanding
Terrain condition - none suitableFactor
FireOther

Analysis

During an aerial application operation, the pilot experienced a violent engine vibration. He reduced power and attempted an emergency ldg. Acft nosed over on landing. The pilot exited aircraft through side window. Acft caught fire and was destroyed. Investigation revealed approximately fourteen inches of propeller blade was missing. Metallurgical examination determined the blade separation resulted from striking an object in the past which resulted in a crack that finally separated.

Aircraft

Registration
N3169N
Reported as
Air Tractor AT301A
Category
Airplane
Serial number
3010573
Airframe hours
800
Engine
P&W R-1340-AN1, 600 horsepower, reciprocating
Damage
Destroyed
Fire
On-Ground
Flight
Aerial application · Part 137
Operator
Kewanee Ag Service
Registered owner
Dan C Hall
Airworthiness certificate
Special, Restricted (Special)
Departed
Kewanee, MO

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
37
Certificate
Commercial
Airplane ratings
Single-engine land
Medical
Class 2, Valid Medical--no waivers/lim.
Seat
Center
Flight hours
6,500 total · 600 in this make and model · 6,500 as pilot in command · 200 in the last 90 days · 100 in the last 30 days · 12 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
210° at 10 knots
Lowest ceiling
None

FAA reports on this event · 1

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