- Date
- August 9, 1966
- Place
- Frazier Prk, CA · FRAZIER PRK, CA
- Injuries
- 3 uninjured
- Damage
- Substantial damage
- Phase of flight
- Landing
- Aircraft
- N9747CHiller US-12E
- Status
- Completed · report April 4, 1967
- Report
- Brief approved by the director
- Case key
- 122453
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 ---------------------------------------------------------------------------------------------------------------------------- 2-0714 66/8/9 NR.FRAZIER PRK CALIF HILLER US-12E CR- 0 0 1 COMMERCIAL COMMERCIAL, FL.INSTR., TIME - 1100 N9747C PX- 0 0 2 CTR PASSG-D AGE 46, 4000 TOTAL HOURS, DAMAGE-SUBSTANTIAL OT- 0 0 0 23 IN TYPE, NOT INSTRUMENT RATED. TYPE OF ACCIDENT PHASE OF OPERATION HARD LANDING LANDING: LEVEL OFF/TOUCHDOWN PROBABLE CAUSE(S) PILOT IN COMMAND - FAILED TO MAINTAIN ADEQUATE ROTOR R.P.M. PILOT IN COMMAND - IMPROPER LEVEL OFF EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND DIRECTIONAL CONTROL PROBLEM REMARKS- LOST ROTOR RPM AT HOVER.TAIL ROTOR STRUCK GROUND ON LANDING.
Aircraft
- Registration
- N9747C
- Reported as
- Hiller US-12E
- Category
- Helicopter
- Engine
- reciprocating
- Damage
- Substantial damage
N9747CRegistration cancelled Nov 26, 2014 · Hiller UH-12EAirframe modelHiller UH-12EEngine modelLycoming VO-540 series
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.
Other investigations on N9747C · 1
Matched to the same aircraft by N-number and date.