FTW85FA050

NTSB accident investigation · Hughes 269B · Clint, TX · November 13, 1984

Accident · FatalField investigationFinal report
Date
November 13, 1984, 16:23 local (23:23 UTC)
Place
Clint, TX
Injuries
2 fatal
Damage
Destroyed
Phase of flight
Maneuvering
Aircraft
N9336FHughes 269B
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
FAA report
19841113061549A
Case key
21508

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.

Airframe/component/system failure/malfunctionManeuvering - turn to landing area (emergency)
Rotor drive system,main rotor mast(drive shaft) - binding(mechanical)Cause
Rotor rpm - inadequateCause
Maintenance,compliance with ad - not performedCompany maintenance personnelCause
In flight collision with terrain/waterDescent - uncontrolled

Analysis

N9336F, crashed while on a training flt. The certified flt instructor & his student were killed. Investigation revealed that the main drive shaft thrust bearing had failed. A service bulletin dated 1968 mandated replacement of the bearing at 300 hr time in service interval.

Aircraft

Registration
N9336F
Reported as
Hughes 269B
Category
Helicopter
Serial number
24-0030
Engine
Lycoming HIO-360-A1A, 180 horsepower, reciprocating
Damage
Destroyed
Flight
Instructional · Part 91
Registered owner
Harold D. Jones
Airworthiness certificate
Standard, Utility

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
50
Certificate
Commercial
Airplane ratings
Single-engine land
Medical
Class 2, Valid Medical--w/ waivers/lim
Seat
Right
Toxicology
Performed
Flight hours
8,216 total · 4 in the last 90 days · 1 in the last 30 days · 1 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
260° at 6 knots
Visibility
50 statute miles
Lowest ceiling
None
Temperature
72 °F, dew point 27 °F
Altimeter
30.00 inHg
Observed at
ELP, 20 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.

Other investigations on N9336F · 2

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