CHI85FA198

NTSB accident investigation · Bell 47G-2 · Burlington, MI · May 16, 1985

Accident · FatalField investigationFinal report
Date
May 16, 1985, 13:45 local (17:45 UTC)
Place
Burlington, MI
Injuries
1 fatal
Damage
Substantial damage
Phase of flight
Maneuvering
Aircraft
N3755JBell 47G-2
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
FAA report
19850516017909A
Case key
12836

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.

Roll overHover
Object - vehicleFactor
Landing gear - misjudgedPilot in commandCause
Collective - improper use ofPilot in commandCause
Clearance - misjudgedPilot in commandCause

Analysis

The helicopter was departing from a trailer which was sloped 5 degs to the left. During takeoff, the left skid lifted off first and the helicopter drifted to the right. The right skid caught on the trailer guides and the helicopter rolled over to the right.

Aircraft

Registration
N3755J
Reported as
Bell 47G-2
Category
Helicopter
Serial number
1537
Airframe hours
14,907
Engine
Lycoming VO-435, 200 horsepower, reciprocating
Damage
Substantial damage
Flight
Aerial application · Part 137
Registered owner
Ronald L Nearpass
Airworthiness certificate
Special, Restricted (Special)
Last inspection
100 hour · August 10, 1984 · 133 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
37
Certificates
Flight instructor, Commercial
Airplane ratings
Multi-engine land, Single-engine land
Instrument ratings
Airplane
Medical
Class 2, Valid Medical--no waivers/lim.
Seat
Left
Toxicology
Performed
Flight hours
1,660 total · 406 in this make and model · 1,509 as pilot in command · 1 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
10 statute miles
Lowest ceiling
1,200 ft broken
Temperature
59 °F, dew point 54 °F
Altimeter
29.00 inHg
Observed at
BTL, 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.