LAX85LA374

NTSB accident investigation · Air Tractor AT301 · Williams Afb, AZ · August 27, 1985

Accident · No injuriesLimited investigationFinal report
Date
August 27, 1985, 04:45 local (11:45 UTC)
Place
Williams Afb, AZ
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Maneuvering
Aircraft
N3168UAir Tractor AT301
Weather
Visual (VMC) · Night/dark
Status
Completed
Report
Approved by Office Director
FAA report
19850827057349A
Case key
24821

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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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 objectManeuvering
Object - tree(s)Factor
Became lost/disoriented - inadvertentPilot in commandCause
Light condition - dark night

Analysis

After making his first swath run,during the hours of darkness,the pilot became disorented and flew into an area with tall electrical transmission lines. He descended into trees beneath the lines in his attempt to miss them.

Aircraft

Registration
N3168U
Reported as
Air Tractor AT301
Category
Airplane
Serial number
301-0565
Airframe hours
550
Engine
P&W R-1340-AN1, 600 horsepower, reciprocating
Damage
Substantial damage
Flight
Aerial application · Part 137
Operator
Santan Dusters
Registered owner
Air Tractor, Inc.
Airworthiness certificate
Special, Restricted (Special)
Last inspection
Annual · August 10, 1985
Departed
P10 · Chandler, AZ
Airport
CHD · Williams Afb

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
40
Certificate
Commercial
Airplane ratings
Multi-engine land, Single-engine land
Instrument ratings
Airplane
Medical
Class 2, Valid Medical--no waivers/lim.
Seat
Center
Flight hours
7,000 total · 250 in this make and model · 6,000 as pilot in command · 200 in the last 90 days · 180 in the last 30 days · 11 in the last 24 hours

Weather

Conditions
Visual (VMC) · Night/dark
Wind
150° at 4 knots
Visibility
35 statute miles
Lowest ceiling
None
Temperature
90 °F, dew point 68 °F
Altimeter
30.00 inHg
Observed at
PHX, 17 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.