ANC91LA146

NTSB accident investigation · Hughes 369D · Iliamna, AK · September 11, 1991

Accident · No injuriesLimited investigationFinal report
Date
September 11, 1991, 08:30 local (16:30 UTC)
Place
Iliamna, AK
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Enroute
Aircraft
N29JVHughes 369D
Weather
Visual (VMC) · Day
Status
Completed · report January 22, 1993
Report
Approved by Office Director
NTSB office
Alaska Regional Office
FAA report
19910911039779A
Case key
5620

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

Was fuel exhaustion due to the pilot-in-command's improper preflight planning. Contributing to the accident was the rough and uneven tundra landing site.

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 engine power(total) - nonmechanicalCruise
Fuel system - foreign objectCause
Preflight planning/preparation - improperPilot in commandCause
Fuel consumption calculations - not performedPilot in commandCause
Forced landingDescent - emergency

Analysis

While at 200 feet MSL, the engine quit and the helicopter crashed on the tundra. Examination of the helicopter fuel systems revealed the fuel tanks were empty.

Aircraft

Registration
N29JV
Reported as
Hughes 369D (369-D)
Category
Helicopter
Serial number
500715D
Airframe hours
4,796
Engine
Allison 250-C20B, 420 horsepower, turbo shaft
Damage
Substantial damage
Flight
Business · Part 133
Airworthiness certificate
Standard, Normal
Last inspection
100 hour · August 30, 1991 · 20 hours before
Departed
NONE · Johnson Creek, AK
Flight plan
Company VFR

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
45
Certificates
Flight instructor, Airline transport, Commercial
Airplane ratings
Multi-engine land, Single-engine sea, Single-engine land
Instrument ratings
Helicopter, Airplane
Medical
Class 2, Valid Medical--no waivers/lim.
Seat
Left
Flight hours
13,704 total · 4,215 in this make and model · 13,653 as pilot in command · 251 in the last 90 days · 75 in the last 30 days · 2 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Visibility
50 statute miles
Lowest ceiling
None
Temperature
55 °F

FAA reports on this event · 1

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