LAX91LA013

NTSB accident investigation · Bell 47G5 · Antarctica · October 22, 1990

Accident · FatalLimited investigationFinal report
Date
October 22, 1990, 12:00 local (22:00 UTC)
Place
Antarctica
Injuries
2 fatal
Damage
Destroyed
Phase of flight
Maneuvering
Aircraft
N2294WBell 47G5
Weather
Visual (VMC) · Day
Status
Completed · report December 30, 1992
Report
Approved by Office Director
Case key
27045

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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Probable cause

The pilot's failure to maintain on adequate altitude while maneuvering above the water.

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.

Dragged wing,rotor,pod,float or tail/skidManeuvering
Terrain condition - water,roughFactor
Altitude - inadequatePilot in commandCause
In flight collision with terrain/waterManeuvering

Analysis

The pilot of a bell 47G5 helicopter was operating from a ship at sea for the purpose of fish spotting and herding. The helicopter was in the process of herding fish into the deployed net when a rotor struck a swell. The helicopter collided with the water, rolled inverted, and sank.

Aircraft

Registration
N2294W
Reported as
Bell 47G5
Category
Helicopter
Serial number
7969
Engine
Lycoming VO-435-B1A, 260 horsepower, reciprocating
Damage
Destroyed
Flight
Aerial observation · Part 91
Operator
Larry Z. Fishing Co. Inc.
Registered owner
Larry Z Fishing Co., Inc
Departed
NONE

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
33
Certificate
Commercial
Instrument ratings
Helicopter
Medical
Class 2, Valid Medical--no waivers/lim.
Toxicology
Performed
Flight hours
1,700 total · 180 in this make and model

Weather

Conditions
Visual (VMC) · Day
Wind
Calm
Lowest ceiling
None
Temperature
-0 °F, dew point -0 °F

Other investigations on N2294W · 4

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