NYC84LA226

NTSB accident investigation · Bell 47J · Cranbury, NJ · June 20, 1984

Accident · No injuriesLimited investigationFinal report
Date
June 19, 1984, 20:45 local (Jun 20, 1984, 00:45 UTC)
Place
Cranbury, NJ
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Maneuvering
Aircraft
N9398HBell 47J
Weather
Visual (VMC) · Dusk
Status
Completed
Report
Approved by Office Director
FAA report
19840619032819A
Case key
35696

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 control - in flightManeuvering - aerial application
Rotor rpm - not maintainedPilot in commandCause
Directional control - not maintainedPilot in commandCause
Altitude - misjudgedPilot in commandCause
In flight collision with terrain/waterDescent - uncontrolled

Analysis

The helicopter had made 4 successful spray passes during this series of runs after reloading. During the turn to start the fifth pass the acft started to settle and contacted the ground before recovery could be made.

Aircraft

Registration
N9398H
Reported as
Bell 47J
Category
Helicopter
Serial number
MK6C
Airframe hours
792
Engine
Lycoming VO-43A17, 280 horsepower, reciprocating
Damage
Substantial damage
Flight
Aerial application · Part 137
Registered owner
Cardoba Helicopters, Inc.
Airworthiness certificate
Special, Restricted (Special)
Last inspection
Annual · March 7, 1984 · 60 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
48
Certificate
Commercial
Airplane ratings
Single-engine land
Medical
Unknown, Valid Medical--no waivers/lim.
Seat
Front
Flight hours
10,079 total · 471 in this make and model · 9,143 as pilot in command · 77 in the last 90 days · 6 in the last 24 hours

Weather

Conditions
Visual (VMC) · Dusk
Wind
230° at 2 knots, gusting 3
Visibility
15 statute miles
Temperature
75 °F

FAA reports on this event · 1

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