DEN84LA260

NTSB accident investigation · Bell 47G · West Glacier, MT · August 5, 1984

Accident · No injuriesLimited investigationFinal report
Date
August 5, 1984, 15:00 local (21:00 UTC)
Place
West Glacier, MT
Injuries
3 uninjured
Damage
Substantial damage
Phase of flight
Enroute
Aircraft
N7965JBell 47G
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
FAA report
19840805069759I
Case key
16462

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 engine power(total) - nonmechanicalCruise - normal
Planning/decision - improperPilot in commandCause
Fluid,fuel - exhaustionCause
Fuel supply - misjudgedPilot in commandCause
Forced landingDescent - emergency
Autorotation - performedPilot in command
On ground/water collision with objectLanding - flare/touchdown
Object - vehicleFactor

Analysis

Following in-flight power loss the pilot performed an autorotation to a forced landing on a highway. On touchdown, the main rotor made contact with a passing motor home. Investigation revealed no fuel on board, although the pilot calculated 0.6 hours of fuel should have been remaining.

Aircraft

Registration
N7965J
Reported as
Bell 47G
Category
Helicopter
Serial number
6859
Airframe hours
3,700
Engine
Lycoming TVO-435-F1A, 280 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Registered owner
James W. Krueger
Airworthiness certificate
Standard, Normal
Last inspection
Annual · July 1, 1984 · 95 hours before

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
51
Certificates
Flight instructor, Commercial
Airplane ratings
Single-engine land
Instrument ratings
Airplane
Medical
Class 2, Valid Medical--no waivers/lim.
Seat
Right
Flight hours
8,385 total · 4,200 in this make and model · 140 in the last 90 days · 4 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
290° at 4 knots
Visibility
40 statute miles
Lowest ceiling
None
Temperature
79 °F
Altimeter
29.00 inHg
Observed at
FCA, 8 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 N7965J · 1

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