- Date
- November 26, 1970
- Place
- Cotati, CA · COTATI, CA
- Injuries
- 1 uninjured
- Damage
- Substantial damage
- Phase of flight
- Emergency descent
- Aircraft
- N9017FHughes 369HS
- Status
- Completed · report October 5, 1971
- Report
- Brief approved by the director
- Case key
- 159574
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 ---------------------------------------------------------------------------------------------------------------------------- 3-4487 70/11/26 COTATI,CALIF HUGHES 369HS CR- 0 0 1 NONCOMMERCIAL PRIVATE, AGE 63, 104 TIME - 1010 N9017F PX- 0 0 0 PRACTICE TOTAL HOURS, ALL IN TYPE, DAMAGE-SUBSTANTIAL OT- 0 0 0 NOT INSTRUMENT RATED. NAME OF AIRPORT - NAVY STRIP DEPARTURE POINT INTENDED DESTINATION SANTA ROSA,CALIF COTATI,CALIF TYPE OF ACCIDENT PHASE OF OPERATION ENGINE FAILURE OR MALFUNCTION IN FLIGHT: AUTOROTATIVE DESCENT HARD LANDING LANDING: POWER-OFF AUTOROTATIVE LANDING PROBABLE CAUSE(S) POWERPLANT - MISCELLANEOUS: POWERPLANT FAILURE FOR UNDETERMINED REASONS PILOT IN COMMAND - MISJUDGED SPEED AND ALTITUDE FACTOR(S) MISCELLANEOUS ACTS,CONDITIONS - SIMULATED CONDITIONS COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE EMERGENCY CIRCUMSTANCES - FORCED LANDING ON AIRPORT/SEAPLANE BASE/HELIPT. REMARKS- PWR RECOVERY AUTOROTATION,ENG DID NOT RESPOND TO THROTTLE.POST EXAM ENG OK.
Aircraft
- Registration
- N9017F
- Reported as
- Hughes 369HS
- Category
- Helicopter
- Engine
- turbo shaft
- Damage
- Substantial damage
- Airport
- Navy Strip
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.