- Date
- January 24, 1977
- Place
- Ennis, MT · ENNIS, MT
- Injuries
- 2 uninjured
- Damage
- Substantial damage
- Phase of flight
- Maneuvering
- Aircraft
- N73987Bell 47G3B1
- Status
- Completed · report March 1, 1977
- Report
- Brief approved by the director
- FAA report
- 19770124001339A
- Case key
- 157415
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 ---------------------------------------------------------------------------------------------------------------------------- 3-0200 77/1/24 NR.ENNIS,MT BELL 47G3B1 CR- 0 0 1 MISCELLANEOUS COMMERCIAL, FL.INSTR., TIME - 0815 N73987 PX- 0 0 1 HUNTING AGE 41, 3997 TOTAL HOURS, DAMAGE-SUBSTANTIAL OT- 0 0 0 243 IN TYPE, NOT INSTRUMENT RATED. DEPARTURE POINT INTENDED DESTINATION ENNIS,MT LOCAL TYPE OF ACCIDENT PHASE OF OPERATION COLLISION WITH GROUND/WATER: CONTROLLED IN FLIGHT: HOVERING PROBABLE CAUSE(S) PILOT IN COMMAND - FAILED TO MAINTAIN ADEQUATE ROTOR R.P.M. FACTOR(S) PILOT IN COMMAND - DIVERTED ATTENTION FROM OPERATION OF AIRCRAFT WEATHER - LOCAL WHIRLWIND WEATHER BRIEFING - NO RECORD OF BRIEFING RECEIVED SKY CONDITION CEILING AT ACCIDENT SITE CLEAR UNLIMITED VISIBILITY AT ACCIDENT SITE PRECIPITATION AT ACCIDENT SITE 5 OR OVER(UNLIMITED) NONE OBSTRUCTIONS TO VISION AT ACCIDENT SITE TEMPERATURE-F NONE 18 WIND VELOCITY-KNOTS TYPE OF WEATHER CONDITIONS CALM VFR TYPE OF FLIGHT PLAN OTHER REMARKS- COYOTE HUNT.ENCOUNTERED WHIRLWIND IN 20FT HOVER,SETTLED WITH POWER.
Aircraft
- Registration
- N73987
- Reported as
- Bell 47G3B1
- Category
- Helicopter
- Engine
- reciprocating
- Damage
- Substantial damage
FAA reports on this event · 1
The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.