ASN Wikibase Occurrence # 360590
This information is added by users of ASN. Neither ASN nor the Flight Safety Foundation are responsible for the completeness or correctness of this information.
If you feel this information is incomplete or incorrect, you can submit corrected information.
| Date: | Saturday 16 April 1994 |
| Time: | 20:00 LT |
| Type: |  Bell 47G-3B-1 |
| Owner/operator: | Sundown Helicopters, Inc. |
| Registration: | N304JP |
| MSN: | 3598 |
| Year of manufacture: | 1966 |
| Total airframe hrs: | 15222 hours |
| Engine model: | LYCOMING V0-435-AIF |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Yuma, AZ -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Agricultural |
| Departure airport: | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot reported that the helicopter had completed a swath run and was pulling up to clear a line of trees when the engine decelerated to idle. The pilot entered an autorotation and landed hard, damaging the skids and the fuselage. Postaccident inspection of the engine revealed that the throttle arm had come off the carburetor throttle body shaft. The operator stated that the arm and shaft were new components, installed on February 24, 1994, by a contract mechanic. The operator also stated that an 'excessive amount (about 2 inches) of safety wire was on the arm, which allowed the arm to slip off the shaft.'
Probable Cause: an uncommanded engine deceleration to idle due to the improper installation of the throttle arm on the carburetor shaft.
Accident investigation:
 |
|
Sources:
NTSB LAX94LA200
History of this aircraft
Other occurrences involving this aircraft
| 6 May 1991 | N304JD | Sundown Helicopters, Inc. | 0 | Yuma, AZ | |
sub |
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 16-Mar-2024 09:00 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
The Aviation Safety Network is an exclusive service provided by:
Quick Links:
| ASN Home | Send Correction / Feedback |
| FSF Home | Disclaimer | Copyright |
| Contact Us | Privacy Policy |
| Press / Media |
CONNECT WITH US:
©2024 Flight Safety Foundation