- Date
- May 11, 1969
- Place
- Las Vegas, NV · LAS VEGAS, NV
- Injuries
- 1 uninjured
- Damage
- Substantial damage
- Phase of flight
- Maneuvering
- Aircraft
- N1335XBell 47G3B1
- Status
- Completed · report August 7, 1969
- Report
- Brief approved by the director
- Case key
- 174485
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 ---------------------------------------------------------------------------------------------------------------------------- 3-1751 69/5/11 LAS VEGAS,NEV BELL 47G3B1 CR- 0 0 1 COMMERCIAL COMMERCIAL, AGE 26, 2763 TIME - 0800 N1335X PX- 0 0 0 CONSTRUCTION TOTAL HOURS, 25 IN TYPE, DAMAGE-SUBSTANTIAL OT- 0 0 0 NOT INSTRUMENT RATED. TYPE OF ACCIDENT PHASE OF OPERATION ENGINE FAILURE OR MALFUNCTION IN FLIGHT: HOVERING COLLIDED WITH: TREES LANDING: FINAL APPROACH PROBABLE CAUSE(S) POWERPLANT - ENGINE STRUCTURE: OTHER MISCELLANEOUS ACTS,CONDITIONS - WARPED MISCELLANEOUS ACTS,CONDITIONS - IMPROPER ALIGNMENT/ADJUSTMENT TERRAIN - HIGH OBSTRUCTIONS PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND REMARKS- IMPROPERLY ADJUSTED DENSITY CONTROLLER CAUSED WASTE GATE TO WARP AND TURBO CHARGER INEFFECTIVE.
Aircraft
- Registration
- N1335X
- Reported as
- Bell 47G3B1
- Category
- Helicopter
- Engine
- reciprocating
- Damage
- Substantial damage
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 N1335X · 4
Matched to the same aircraft by N-number and date.
NTSB LAX97TA213Accident · No injuriesFinal reportFallon, NVexhaustion of the aircraft's fuel supply, due to improper planning and/or decision. A factor related to the accident was the high density altitude which made a successful autorotative landing unlikely.NTSB FTW96TA383Accident · No injuriesFinal reportRangely, COthe pilot's excessive cyclic control input during a low altitude operation, and his failure to maintain altitude/clearance from high vegetation (sage brush). The proximity of high vegetation was a related factor.NTSB LAX79DX030Accident · No injuriesClosedMontello, NVNTSB CAN70A4457Accident · 3 fatalClosedHope, Canada