- Date
- October 20, 1981
- Place
- Springville, UT · SPRINGVILLE, UT
- Injuries
- 3 minor, 2 uninjured
- Damage
- Substantial damage
- Phase of flight
- Enroute
- Aircraft
- N49531Aerospatial SA315B
- Status
- Completed · report November 13, 1981
- Report
- Brief approved by the director
- Safety recommendations
- Yes
- FAA report
- 19811020068949A
- Case key
- 80136
From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.
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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 ---------------------------------------------------------------------------------------------------------------------------- 3-2485 81/10/20 SPRINGVILLE,UT AEROSPATIAL SA315B CR- 0 0 1 COMMERCIAL ATP,FLIGHT INSTR., AGE TIME - 0736 N49531 PX- 0 0 4 AIR TAXI-PASSG 33, 3503 TOTAL HOURS, 137 DAMAGE-SUBSTANTIAL OT- 0 0 0 IN TYPE, INSTRUMENT RATED. DEPARTURE POINT INTENDED DESTINATION SPRINGVILLE,UT LOCAL TYPE OF ACCIDENT PHASE OF OPERATION PROPELLER/ROTOR FAILURE: MAIN ROTOR IN FLIGHT: CLIMB TO CRUISE ROLL OVER LANDING: POWER-OFF AUTOROTATIVE LANDING PROBABLE CAUSE(S) PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: IMPROPER MAINTENANCE (MAINTENANCE PERSONNEL) ROTORCRAFT - TRANSMISSION ROTOR DRIVE SYSTEM: CLUTCH ASSEMBLY MISCELLANEOUS ACTS,CONDITIONS - IMPROPER ALIGNMENT/ADJUSTMENT MISCELLANEOUS ACTS,CONDITIONS - WRONG PART EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND SUSPECTED MECHANICAL DISCREPANCY UNUSUAL NOISE REMARKS- INCORRECT ENG MOUNT INSTALLED,PWR TRN NOT ALIGNED.LNDD ON NARROW RD LINED W TREES,ROLLED OVR.
Aircraft
- Registration
- N49531
- Reported as
- Aerospatial SA315B
- Category
- Helicopter
- Engine
- turbo shaft
- Damage
- Substantial damage
FAA reports on this event · 1
The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.