DEN85LA036

NTSB accident investigation · Bell 205A-1 · Rifle, CO · December 5, 1984

Accident · No injuriesLimited investigationFinal report
Date
December 5, 1984, 10:30 local (17:30 UTC)
Place
Rifle, CO
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Maneuvering
Aircraft
N5019NBell 205A-1
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
FAA report
19841205067969A
Case key
16605

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.

Loss of engine powerManeuvering
Reason for occurrence undeterminedCause
Forced landingDescent - emergency
Autorotation - performedPilot in command
In flight collision with terrain/waterLanding - flare/touchdown

Analysis

The helicopter was on a seismic operation when it lost eng power and was substantially damaged during the autorotative landing. The plt stated that when he came back on collective power the eng would enter severe compressor stalls. Post crash examination of the eng, boost pumps and fuel failed to reveal any reason for eng stall and surge.

Aircraft

Registration
N5019N
Reported as
Bell 205A-1
Category
Helicopter
Serial number
30291
Airframe hours
4,468
Engine
Lycoming T5313B, 1,250 horsepower, turbo shaft
Damage
Substantial damage
Flight
Other work use · Part 133
Operator
Heli-Jets Inc
Registered owner
Duininck Bro & Gilchrist
Airworthiness certificate
Standard, Normal
Last inspection
Continuous airworthiness · November 8, 1984 · 38 hours before

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
40
Certificate
Commercial
Airplane ratings
Single-engine land
Instrument ratings
Airplane
Medical
Class 2, Valid Medical--no waivers/lim.
Seat
Right
Flight hours
8,800 total · 5,000 in this make and model · 125 in the last 90 days

Weather

Conditions
Visual (VMC) · Day
Visibility
20 statute miles
Lowest ceiling
None
Temperature
45 °F
Altimeter
29.00 inHg

FAA reports on this event · 1

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