ASN Wikibase Occurrence # 382525
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: | Thursday 24 February 1983 |
Time: | 14:30 LT |
Type: | Bell 206L-3 |
Owner/operator: | Energy Fuels Nuclear, Inc. |
Registration: | N3898Y |
MSN: | 51024 |
Total airframe hrs: | 335 hours |
Engine model: | Allison 250-C30P |
Fatalities: | Fatalities: 0 / Occupants: 5 |
Aircraft damage: | Substantial |
Category: | Accident |
Location: | Peach Springs, AZ -
United States of America
|
Phase: | Initial climb |
Nature: | Executive |
Departure airport: | Savanic Mine, AZ |
Destination airport: | Cunningham Mine, AZ |
Investigating agency: | NTSB |
Confidence Rating: | Accident investigation report completed and information captured |
Narrative:AFTER THE ROTORCRAFT TOOK OFF TO A HOVER THE PILOT DID A PEDAL TURN FOR A DOWN CANYON DEPARTURE. AFTER THE HOVER TURN THE PILOT SLID TO THE RIGHT TO CLEAR SOME OBSTACLES AND WHEN THE ROTORCRAFT MOVED LATERALLY ABOUT 25 FEET THE PILOT HEARD A BANG. THE LEFT PEDAL WAS SLACKED AND THE ROTORCRAFT BEGAN TO SPIN TO THE RIGHT UNTIL IT CAME TO REST 10 DEGREES NOSE DOWN. THERE WERE NO INJURIES AND NO FIRE. INVESTIGATION REVEALED THAT THE TAIL ROTOR SHAFT ASSEMBLY FAILED BETWEEN NUMBER 3 AND 4 HANGER BEARINGS. THE NUTS THAT HOLD EACH ASSEMBLY TOGETHER WERE MISSING. THE BOLTS WERE NOT SHEARED. ONE WAS FOUND IN THE ROCKS BELOW THE TAIL ROTOR. THE OTHER WAS STILL IN PLACE. NO NUTS WERE FOUND AT THE CRASH SCENE. THE FACTORY RECOMMENDED BLUE DOTS WERE MISSING WHEN THE NEW NUTS WERE REPLACED BY MAINTENANCE PERSONNEL.
Probable Cause:
Accident investigation:
|
| |
Investigating agency: | NTSB |
Report number: | LAX83LA117 |
Status: | Investigation completed |
Duration: | |
Download report: | Final report |
|
Sources:
NTSB LAX83LA117
History of this aircraft
Other occurrences involving this aircraft Location
Revision history:
Date/time | Contributor | Updates |
02-Apr-2024 14:51 |
ASN Update Bot |
Added |
The Aviation Safety Network is an exclusive service provided by:
CONNECT WITH US:
©2024 Flight Safety Foundation