- Date
- June 20, 1966
- Place
- Lone Pine, CA · LONE PINE, CA
- Injuries
- 3 uninjured
- Damage
- Substantial damage
- Phase of flight
- Initial climb
- Aircraft
- N73987Bell 47G3B1
- Status
- Completed · report March 1, 1967
- Report
- Brief approved by the director
- Case key
- 171110
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 ---------------------------------------------------------------------------------------------------------------------------- 2-0580 66/6/20 NR.LONE PINE CALIF BELL 47G3B1 CR- 0 0 1 COMMERCIAL COMMERCIAL, FL.INSTR., TIME - 0925 N73987 PX- 0 0 2 CTR PASSG-D AGE 40, 7327 TOTAL HOURS, DAMAGE-SUBSTANTIAL OT- 0 0 0 1400 IN TYPE, NOT INSTRUMENT RATED. TYPE OF ACCIDENT PHASE OF OPERATION ENGINE FAILURE OR MALFUNCTION TAKEOFF: INITIAL CLIMB COLLIDED WITH: TREES LANDING: POWER-ON LANDING PROBABLE CAUSE(S) POWERPLANT - ENGINE STRUCTURE: BLOWER,IMPELLER ASSEMBLY PILOT IN COMMAND - MISJUDGED DISTANCE FACTOR(S) WEATHER - HIGH DENSITY ALTITUDE PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE EMERGENCY CIRCUMSTANCES - PRECAUTIONARY LANDING ON AIRPORT SKY CONDITION CEILING AT ACCIDENT SITE CLEAR UNLIMITED VISIBILITY AT ACCIDENT SITE PRECIPITATION AT ACCIDENT SITE 5 OR OVER(UNLIMITED) *ERROR-INVALID CODE* OBSTRUCTIONS TO VISION AT ACCIDENT SITE TEMPERATURE-F NONE 50 TYPE OF WEATHER CONDITIONS TYPE OF FLIGHT PLAN VFR NONE REMARKS- TURBOCHARGER MALFUNCTION.UNABLE CLIMB OUT OF CLEARING.STRUCK TREE WHILE LANDING AT TAKEOFF POINT.
Aircraft
- Registration
- N73987
- Reported as
- Bell 47G3B1
- Category
- Helicopter
- Engine
- reciprocating
- Damage
- Substantial damage