- Date
- August 30, 1981
- Place
- Driggs, ID · DRIGGS, ID
- Injuries
- 1 uninjured
- Damage
- Substantial damage
- Phase of flight
- Maneuvering
- Aircraft
- N84850Aerospatle SA316B
- Status
- Completed · report October 9, 1981
- Report
- Brief approved by the director
- FAA report
- 19810830053519A
- Case key
- 124045
From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.
On this page
NTSB brief
NTSB’s brief of the accident, as it was printed: the coded facts, with the probable cause and factors.
---------------------------------------------------------------------------------------------------------------------------- FILE DATE LOCATION AIRCRAFT DATA INJURIES FLIGHT PILOT DATA F S M/N PURPOSE ---------------------------------------------------------------------------------------------------------------------------- 3-2664 81/8/30 NR.DRIGGS,ID AEROSPATLE SA316B CR- 0 0 1 COMMERCIAL COMMERCIAL, AGE 36, 4560 TIME - 1410 N84850 PX- 0 0 0 AIR TAXI-CARGO TOTAL HOURS, 920 IN TYPE, DAMAGE-SUBSTANTIAL OT- 0 0 0 INSTRUMENT RATED. DEPARTURE POINT INTENDED DESTINATION DRIGGS,ID DRIGGS,ID TYPE OF ACCIDENT PHASE OF OPERATION PROPELLER/ROTOR FAILURE: TAIL ROTOR IN FLIGHT: HOVERING COLLISION WITH GROUND/WATER: UNCONTROLLED LANDING: POWER-OFF AUTOROTATIVE LANDING PROBABLE CAUSE(S) PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: IMPROPER MAINTENANCE (MAINTENANCE PERSONNEL) ROTORCRAFT - TRANSMISSION ROTOR DRIVE SYSTEM: TAIL ROTOR DRIVE SHAFT ASSEMBLY MISCELLANEOUS ACTS,CONDITIONS - LACK OF LUBRICATION-SPECIFIC PART,NOT SYSTEM EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND REMARKS- TEETH OF SPLINED COUPLING GEAR,PN 3130-567-12-005,WORN EXCESSIVELY.
Aircraft
- Registration
- N84850
- Reported as
- Aerospatle SA316B
- Category
- Helicopter
- Engine
- turbo shaft
- Damage
- Substantial damage
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.
FAA reports on this event · 1
The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.