- Date
- August 13, 1971
- Place
- Minturn, CO · MINTURN, CO
- Injuries
- 3 uninjured
- Damage
- Substantial damage
- Phase of flight
- Takeoff
- Aircraft
- N73978Bell 47G3B1
- Status
- Completed · report March 31, 1972
- Report
- Brief approved by the director
- Case key
- 162789
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 ---------------------------------------------------------------------------------------------------------------------------- 3-3015 71/8/13 MINTURN,COLO BELL 47G3B1 CR- 0 0 1 COMMERCIAL COMMERCIAL, AGE 33, 3673 TIME - 1010 N73978 PX- 0 0 2 CTR PASSG-D TOTAL HOURS, 3650 IN DAMAGE-SUBSTANTIAL OT- 0 0 0 TYPE, NOT INSTRUMENT RATED. DEPARTURE POINT INTENDED DESTINATION MO LAKE 3 MO LAKE 1 TYPE OF ACCIDENT PHASE OF OPERATION COLLIDED WITH: OBJECT TAKEOFF: RUNNING ROLL OVER TAKEOFF: RUNNING PROBABLE CAUSE(S) PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING PILOT IN COMMAND - FAILED TO MAINTAIN ADEQUATE ROTOR R.P.M. WEATHER - HIGH DENSITY ALTITUDE FACTOR(S) MISCELLANEOUS ACTS,CONDITIONS - DOWNWIND 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 WIND VELOCITY-KNOTS NONE 10 TYPE OF WEATHER CONDITIONS TYPE OF FLIGHT PLAN VFR NONE REMARKS- ATMTD TKOF AT NEAR GROSS WT,DENSITY ALT 13000FT.LOST RPM,HIT EMBANKMENT,ROLLED OVR TO INVERTED POS
Aircraft
- Registration
- N73978
- 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 N73978 · 1
Matched to the same aircraft by N-number and date.