- Date
- May 30, 1967
- Place
- Tyonek, AK · TYONEK, AK
- Injuries
- 1 uninjured
- Damage
- Substantial damage
- Phase of flight
- Initial climb
- Aircraft
- N5353VHiller UH12EL
- Status
- Completed · report August 3, 1967
- Report
- Brief approved by the director
- Case key
- 116784
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 ---------------------------------------------------------------------------------------------------------------------------- 2-0226 67/5/30 NR.TYONEK,ALAS HILLER UH12EL CR- 0 0 1 NONCOMMERCIAL COMMERCIAL, FL.INSTR., TIME - 1100 N5353V PX- 0 0 0 AERIAL SURVEY AGE 29, 1218 TOTAL HOURS, DAMAGE-SUBSTANTIAL OT- 0 0 0 124 IN TYPE, NOT INSTRUMENT RATED. NAME OF AIRPORT - SURVEY SITE TYPE OF ACCIDENT PHASE OF OPERATION ENGINE FAILURE OR MALFUNCTION TAKEOFF: INITIAL CLIMB HARD LANDING LANDING: POWER-OFF AUTOROTATIVE LANDING PROBABLE CAUSE(S) ROTORCRAFT - TRANSMISSION ROTOR DRIVE SYSTEM: CLUTCH ASSEMBLY PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND REMARKS- CLUTCH SLIPPAGE DUE TO EXCESSIVELY WORN FRICTION SHOES. 78 HRS SINCE INSTALLATION OF THIS CLUTCH.
Aircraft
- Registration
- N5353V
- Reported as
- Hiller UH12EL
- Category
- Helicopter
- Engine
- reciprocating
- Damage
- Substantial damage
- Airport
- Survey Site