FTW91DRG04

NTSB accident investigation · Air Tractor AT-402 · Taft, TX · July 21, 1991

Accident · Serious injuriesFinal report
Date
July 21, 1991, 15:54 local (20:54 UTC)
Place
Taft, TX
Injuries
1 serious
Damage
Minor damage
Phase of flight
Maneuvering
Aircraft
N4523LAir Tractor AT-402
Weather
Visual (VMC) · Day
Status
Completed · report March 9, 1993
Report
Approved by Office Director
FAA report
19910721028679A
Case key
23231

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's failure to maintain proper terrain clearance.

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.

In flight collision with terrain/waterManeuvering - aerial application
Clearance - not maintainedPilot in commandCause

Analysis

On the fourth aerial application pass the airplane passed under power lines and initiated a climb over a road embankment. The main landing gear struck the embankment and the airplane came to rest 296 feet from initial impact.

Aircraft

Registration
N4523L
Reported as
Air Tractor AT-402
Category
Airplane
Serial number
0757
Engine
P&W PT6A-27, 680 horsepower, turbo jet
Damage
Minor damage
Flight
Aerial application · Part 137
Operator
Hunts Dusting Service, Inc.
Registered owner
Hunts Dusting Service, Inc.
Airworthiness certificate
Special, Restricted (Special)
Last inspection
Annual · July 18, 1991 · 20 hours before

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
38
Certificate
Commercial
Airplane ratings
Single-engine land, Multi-engine land
Instrument ratings
Airplane
Medical
Class 1, Valid Medical--no waivers/lim.
Seat
Center
Flight hours
7,861 total · 1,100 in this make and model · 6,427 as pilot in command · 350 in the last 90 days · 250 in the last 30 days · 6 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
120° at 14 knots, gusting 21
Visibility
15 statute miles
Lowest ceiling
None
Temperature
91 °F, dew point 72 °F
Altimeter
30.00 inHg

FAA reports on this event · 1

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

Other investigations on N4523L · 1

Matched to the same aircraft by N-number and date.