- Date
- June 24, 1966
- Place
- King Salmon, AK · KING SALMON, AK
- Injuries
- 1 minor
- Damage
- Substantial damage
- Phase of flight
- Enroute
- Aircraft
- N5337VHiller UH12E
- Status
- Completed · report March 13, 1967
- Report
- Brief approved by the director
- Case key
- 171131
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 ---------------------------------------------------------------------------------------------------------------------------- 2-0607 66/6/24 NR.KING SALMON ALAS HILLER UH12E CR- 0 0 1 COMMERCIAL COMMERCIAL, FL.INSTR., TIME - 2115 N5337V PX- 0 0 0 CTR CARGO-D AGE 40, 15000 TOTAL DAMAGE-SUBSTANTIAL OT- 0 0 0 HOURS, 1000 IN TYPE, NOT INSTRUMENT RATED. TYPE OF ACCIDENT PHASE OF OPERATION TURBULENCE IN FLIGHT: NORMAL CRUISE HARD LANDING LANDING: POWER-OFF AUTOROTATIVE LANDING PROBABLE CAUSE(S) WEATHER - TURBULENCE IN FLIGHT,CLEAR AIR PILOT IN COMMAND - IMPROPER LEVEL OFF PILOT IN COMMAND - FAILED TO MAINTAIN ADEQUATE ROTOR R.P.M. WEATHER BRIEFING - NO RECORD OF BRIEFING RECEIVED EMERGENCY CIRCUMSTANCES - PRECAUTIONARY LANDING OFF AIRPORT PITCH CONTROL PROBLEM SUSPECTED MECHANICAL DISCREPANCY SKY CONDITION CEILING AT ACCIDENT SITE CLEAR UNLIMITED VISIBILITY AT ACCIDENT SITE PRECIPITATION AT ACCIDENT SITE 5 OR OVER(UNLIMITED) NONE OBSTRUCTIONS TO VISION AT ACCIDENT SITE TEMPERATURE-F NONE 52 WIND DIRECTION-DEGREES WIND VELOCITY-KNOTS 80 10 TYPE OF WEATHER CONDITIONS TYPE OF FLIGHT PLAN VFR NONE REMARKS- PILOT ENCOUNTERED TURBULENCE SUSPECTED CONTROL MALFUNCTION EXECUTED AUTOROTATION LANDING ON TUNDRA
Aircraft
- Registration
- N5337V
- Reported as
- Hiller UH12E
- Category
- Helicopter
- Engine
- reciprocating
- Damage
- Substantial damage