- Date
- May 11, 1968
- Place
- Jackson, MT · JACKSON, MT
- Injuries
- 2 uninjured
- Damage
- Substantial damage
- Phase of flight
- Enroute
- Aircraft
- N7920SBell 47G3B1
- Status
- Completed · report February 7, 1969
- Report
- Brief approved by the director
- Case key
- 110599
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 ---------------------------------------------------------------------------------------------------------------------------- 3-4281 68/5/11 JACKSON,MONT BELL 47G3B1 CR- 0 0 1 NONCOMMERCIAL COMMERCIAL, FL.INSTR., TIME - 0730 N7920S PX- 0 0 1 AERIAL SURVEY AGE 25, 5500 TOTAL HOURS, DAMAGE-SUBSTANTIAL OT- 0 0 0 368 IN TYPE, NOT INSTRUMENT RATED. TYPE OF ACCIDENT PHASE OF OPERATION ENGINE FAILURE OR MALFUNCTION IN FLIGHT: CLIMB TO CRUISE HARD LANDING LANDING: POWER-OFF AUTOROTATIVE LANDING PROBABLE CAUSE(S) POWERPLANT - ENGINE STRUCTURE: MASTER AND CONNECTING RODS MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE TERRAIN - HIGH VEGETATION COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND REMARKS- CONNECTING ROD CAP BOLT FAILED IN NO 3 CYL.
Aircraft
- Registration
- N7920S
- 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 N7920S · 1
Matched to the same aircraft by N-number and date.