FTW87FA041

NTSB accident investigation · American AA-1A · Robertson, TX · December 30, 1986

Accident · FatalField investigationFinal report
Date
December 30, 1986, 16:22 local (22:22 UTC)
Place
Robertson, TX
Injuries
2 fatal
Damage
Destroyed
Phase of flight
Maneuvering
Aircraft
N9493LAmerican AA-1A
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
FAA report
19861230085229A
Case key
22226

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 control - in flightManeuvering
Buzzing - attemptedPilot in commandCause
Airspeed(va) - not maintainedPilot in commandCause
In flight collision with terrain/waterDescent - uncontrolled

Analysis

Witnesses stated that the aircraft was circling the top of a 94 ft tall oil well makeover rig when it descended below their line of sight. Another witness a mile away stated that the aircraft began spinning before ground impact. No evidence of any malfunction in the engine or flight controls was found.

Aircraft

Registration
N9493L
Reported as
American AA-1A
Category
Airplane
Serial number
AA1A0293
Airframe hours
1,777
Engine
Lycoming O-235-C2C, 108 horsepower, reciprocating
Damage
Destroyed
Flight
Personal · Part 91
Registered owner
Hoff Guid
Airworthiness certificate
Standard, Normal
Last inspection
Annual · September 27, 1986 · 64 hours before
Departed
F49 · Slaton, TX
Destination
F82 · Lubbock, TX
Airport
F49 · Slaton Muni

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
22
Certificate
Private
Airplane ratings
Single-engine land
Medical
Class 3, Valid Medical--no waivers/lim.
Seat
Left
Toxicology
Performed
Flight hours
242 total · 75 in this make and model · 242 as pilot in command · 63 in the last 90 days · 9 in the last 30 days · 1 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
190° at 7 knots
Visibility
50 statute miles
Lowest ceiling
None
Temperature
50 °F

FAA reports on this event · 1

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