FTW82FA071

NTSB accident investigation · Robinson R22 · San Marcos, TX · February 26, 1982

Accident · FatalField investigationFinal report
Date
February 26, 1982, 08:00 local (14:00 UTC)
Place
San Marcos, TX
Injuries
1 fatal
Damage
Destroyed
Phase of flight
Enroute
Aircraft
N9061ZRobinson R22
Weather
Visual (VMC) · Day
Status
Completed · report February 26, 1983
Report
Approved by Office Director
FAA report
19820226000879A
Case key
72506

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.

In flight encounter with weatherCruise - normal
Weather condition - gustsFactor
Underconfidence in personal abilityPilot in command
Airframe/component/system failure/malfunctionCruise - normal
Rotor system,tail rotor blade - overloadCause
Rotor system,tail rotor blade - failure,totalCause
Rotor system,tail rotor blade - undeterminedCause
Rotor drive system,tail rotor gearbox(90 deg) - overloadCause
Rotor drive system,tail rotor gearbox(90 deg) - failure,totalCause
Rotor drive system,tail rotor gearbox(90 deg) - undeterminedCause
In flight collision with terrain/waterDescent - uncontrolled

Analysis

The helicopter was observed rotating in a counter clockwise motion. A small explosion was seen at the tail section with pieces flying off. The outboard sections of the t/r blades were found about 800 ft from the main wreckage. Examination of the fractures indicates a highly abnormal stress condition was produced in the t/r. the austin fss was reporting wind gusts of 27K.

Aircraft

Registration
N9061Z
Reported as
Robinson R22
Category
Helicopter
Serial number
145
Airframe hours
119
Engine
Lycoming O-320-A2C, 160 horsepower, reciprocating
Damage
Destroyed
Flight
Business · Part 91
Operator
Tejas Helicopters Of Austin
Registered owner
Tejas Helicopters Of Austin
Departed
Austin, TX
Destination
San Antonio, TX

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
42
Certificates
Commercial, Flight instructor
Airplane ratings
Single-engine land
Medical
Class 2, Valid Medical--no waivers/lim.
Flight hours
3,500 total · 400 in this make and model

Weather

Conditions
Visual (VMC) · Day
Wind
300° at 18 knots
Visibility
4 statute miles
Lowest ceiling
800 ft overcast
Temperature
113 °F

FAA reports on this event · 1

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