Aviation Crash Map

Bell 47G3B2 N8169J

9 November 1993 · Toledo, Washington, United States · No injuries

Summary

On 9 November 1993 at about 17:00 local time, a Bell 47G3B2 registered N8169J, operated by Farm & Forest Helicopter SVC, was involved in an accident near Toledo, Washington, United States. One person was on board and nobody was injured. The aircraft was substantially damaged. The NTSB has published a probable cause for this accident; it is quoted in full below.

The record

Date
at 17:00
Classification
Accident
Location
Toledo, Washington, United States
Coordinates
46.4497, -122.7597
Aircraft
Bell 47G3B2
Registration
N8169J
Category
Helicopter
Engines
1
Operator
Farm & Forest Helicopter SVC
Operating rule
Part 133: Rotorcraft Ext. Load
Purpose of flight
Other Work Use
Phase of flight
Not recorded
Aircraft damage
Substantial
Weather
VMC
Light
Day
NTSB number
SEA94LA029

People

Nobody was injured.

On board Died Serious Minor Uninjured
1 0 0 0 1

Probable cause

TRANSMISSION SHEAR BOLTS FAILED CAUSING A LOSS OF POWER TO THE ROTOR SYSTEM, AND THE PILOT ENCOUNTERED UNSUITABLE TERRAIN DURING HIS AUTOROTATION ATTEMPT.

Quoted verbatim from the NTSB record. This site does not paraphrase or interpret it.

Read the full NTSB narrative

WHILE LIFTING CHRISTMAS TREES UNDER EXTERNAL LOAD CONDITIONS THE PILOT HEARD A CLUNK AND EXPERIENCED A LOSS OF POWER. HE ATTEMPTED AN AUTOROTATION FROM 40 TO 50 FEET INTO THE CHRISTMAS TREE FARM, STRIKING AND BENDING THE TAIL BOOM WHEN IT IMPACTED A TREE. INVESTIGATION REVEALED THAT THE TRANSMISSION SHEAR BOLTS, PN 47-620-485-9, HAD SHEARED. THE PILOT ATTRIBUTED THE FAILURE OF THE SHEAR BOLTS TO POWER IMPULSES FROM REPEATED COMPRESSOR STALLS.

Quoted verbatim from the NTSB record.

Other Bell 47G3B2 accidents

Date Aircraft Location Operator Outcome Died
29 Apr 1989 Bell 47G3B2
N4072G
Milton-Freewtr, Oregon, United States - Minor injuries -
18 Sep 1989 Bell 47G3B2
N83111
Monitor, Washington, United States - Fatal 1
21 Jul 1986 Bell 47G3B2
N7092J
Nahcotta, Washington, United States
no coordinates
- Minor injuries -
25 May 1981 Bell 47G3B2
N4055G
Tucson, Arizona, United States
no coordinates
Keystone Helo No injuries -
11 Jun 1981 Bell 47G3B2
N14827
Walla Walla, Washington, United States
no coordinates
B & R Helicopt Serious injuries -
29 Oct 1978 Bell 47G3B2
N83029
Albuquerque, New Mexico, United States
no coordinates
- No injuries -

All 41 records for this type

Other accidents in this area

Date Aircraft Location Operator Outcome Died
30 Jan 1993 Cessna A185F
N5391R
Inglewood, Washington, United States Johnson, Everett H. No injuries -
16 Feb 1993 Cessna 120
N2100V
Battleground, Washington, United States Wills, Charles R. Serious injuries -
25 Feb 1993 Beechcraft C-99
N63978
Seattle, Washington, United States Ameriflight, Inc. No injuries -
25 Apr 1993 Cessna 172C
N1406Y
Darrington, Washington, United States Roulier, Brent L. Fatal 1
15 Jul 1993 Piper PA-34-220T
N8472C
Battleground, Washington, United States Flightcraft Inc. Fatal 1
18 Aug 1993 Enstrom F-28C
N86198
Seattle, Washington, United States - No injuries -

All 170,864 records in United States