MIA89FA164

NTSB accident investigation · Air Tractor AT-401 · Clarksdale, MS · May 30, 1989

Accident · Serious injuriesField investigationFinal report
Date
May 30, 1989, 08:45 local (13:45 UTC)
Place
Clarksdale, MS
Injuries
1 serious
Damage
Destroyed
Phase of flight
Maneuvering
Aircraft
N1012HAir Tractor AT-401
Weather
Visual (VMC) · Day
Status
Completed · report August 22, 1990
Report
Approved by Office Director
FAA report
19890530013379A
Case key
32293

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

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Probable cause

The pilot failed to maintain airspeed resulting in the airplane stalling and descending out of control.

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 control - in flightManeuvering - turn to reverse direction
Airspeed - not maintainedPilot in commandCause
Stall - inadvertentPilot in commandCause
In flight collision with terrain/waterDescent - uncontrolled
Terrain condition - crop

Analysis

The plt was turning downwind for another aerial application pass when the acft stalled and dropped into a right wing low descent which became almost vertical prior to ground contact. The radial engine was buried to a depth of 4 ft in the cultivated soil.

Aircraft

Registration
N1012H
Reported as
Air Tractor AT-401
Category
Airplane
Serial number
401-0715
Airframe hours
21
Engine
P&W R-1340-AN, 600 horsepower, reciprocating
Damage
Destroyed
Flight
Aerial application · Part 137
Registered owner
Jack W. Shannon
Airworthiness certificate
Special, Restricted (Special)
Last inspection
Annual · April 11, 1989 · 21 hours before
Departed
Clarksdale, MS

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
26
Certificate
Commercial
Airplane ratings
Single-engine land
Medical
Class 2, Valid Medical--w/ waivers/lim
Seat
Front
Flight hours
875 total · 48 in this make and model · 817 as pilot in command · 77 in the last 90 days · 12 in the last 30 days · 7 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
190° at 4 knots
Visibility
5 statute miles
Lowest ceiling
25,000 ft broken
Temperature
72 °F, dew point 68 °F
Altimeter
30.00 inHg
Observed at
GWO, 48 nm away

FAA reports on this event · 1

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