SEA87LA172

NTSB accident investigation · Bell 47G2 · Grandview, WA · August 21, 1987

Accident · Serious injuriesLimited investigationFinal report
Date
August 20, 1987, 18:52 local (Aug 21, 1987, 01:52 UTC)
Place
Grandview, WA
Injuries
1 serious
Damage
Substantial damage
Phase of flight
Maneuvering
Aircraft
N74161Bell 47G2
Weather
Visual (VMC) · Dusk
Status
Completed · report November 29, 1988
Report
Approved by Office Director
FAA report
19870820066069A
Case key
40682

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 - in flightHover
Distance - misjudgedPilot in commandCause
Remedial action - excessivePilot in commandCause
In flight collision with terrain/waterHover

Analysis

After the completion of spray operations the pilot was attempting to place the helicopter onto a trailer. The pilot misjudged his position, over-corrected, and then lost control of the helicopter, striking the ground.

Aircraft

Registration
N74161
Reported as
Bell 47G2
Category
Helicopter
Serial number
1251
Engine
Lycoming TVO-435-B1A, 270 horsepower, reciprocating
Damage
Substantial damage
Flight
Positioning · Part 91
Registered owner
Valley Copters
Airworthiness certificate
Standard, Normal
Departed
Grandview, WA

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
40
Certificate
Commercial
Medical
Class 2, Valid Medical--no waivers/lim.
Flight hours
13,000 total · 3,713 in this make and model · 12,800 as pilot in command · 13 in the last 90 days · 7 in the last 24 hours

Weather

Conditions
Visual (VMC) · Dusk
Wind
Calm
Visibility
15 statute miles
Lowest ceiling
None
Temperature
84 °F

FAA reports on this event · 1

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

Other investigations on N74161 · 1

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