NYC87FA039

NTSB accident investigation · Bell 47-G2A · Jamesburg, NJ · November 28, 1986

Accident · Serious injuriesField investigationFinal report
Date
November 28, 1986, 09:10 local (14:10 UTC)
Place
Jamesburg, NJ
Injuries
1 serious, 1 minor
Damage
Destroyed
Phase of flight
Maneuvering
Aircraft
N7579Bell 47-G2A
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
Case key
30477

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 control - on ground/waterHover
Rotorcraft flight control system,cyclic trim - incorrectFactor
Cyclic - not understoodDual studentCause
Overconfidence in personal abilityDual student
Insuff standards/requirements,operation/operatorCompany/operator mgmt
Supervision - not maintainedPilot in command(cfi)Cause
Remedial action - not maintainedDual studentCause
Directional control - not maintainedDual studentCause
Unsuitable terrain or takeoff/landing/taxi area - selectedPilot in command(cfi)Cause
Roll overHover

Analysis

The CFI and private student were practicing lifting off to a hover. The CFI allowed the student to preform one or two under supervision and they were satisfactory. The CFI then allosed the student to start preforming the manuevers. The CFI heard the right skid snap and as he was attempting to apply left cyclic and lower the collective the helicopter rolled over and was destroyed by fire, both CFI and student suffered burns.

Aircraft

Registration
N7579
Reported as
Bell 47-G2A
Category
Helicopter
Serial number
2659
Airframe hours
6,512
Engine
Lycoming VO435-A1F, 260 horsepower, reciprocating
Damage
Destroyed
Fire
On-Ground
Flight
Instructional · Part 91
Registered owner
Cordoba Helicopter Enterprise
Airworthiness certificate
Standard, Normal
Last inspection
100 hour · September 20, 1986 · 15 hours before
Departed
Hightstown, NJ
Destination
Hightstown, NJ

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
44
Certificates
Commercial, Flight instructor
Airplane ratings
Multi-engine land
Instrument ratings
Helicopter, Airplane
Medical
Class 1, Valid Medical--no waivers/lim.
Seat
Right
Flight hours
8,500 total · 5,000 in this make and model · 7,514 as pilot in command · 20 in the last 90 days · 14 in the last 30 days · 1 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
180° at 1 knots
Visibility
25 statute miles
Lowest ceiling
None
Temperature
45 °F, dew point -0 °F

Other investigations on N7579 · 1

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