- Date
- July 24, 1966
- Place
- Tyonek, AK · TYONEK, AK
- Injuries
- 3 uninjured
- Damage
- Substantial damage
- Phase of flight
- Landing
- Aircraft
- N6717DBell 47G-2
- Status
- Completed · report March 31, 1967
- Report
- Brief approved by the director
- Case key
- 122431
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 ---------------------------------------------------------------------------------------------------------------------------- 2-0684 66/7/24 NR.TYONEK ALAS BELL 47G-2 CR- 0 0 1 COMMERCIAL COMMERCIAL, AGE 41, 8694 TIME - 1115 N6717D PX- 0 0 2 CTR PASSG-D TOTAL HOURS, 2500 IN DAMAGE-SUBSTANTIAL OT- 0 0 0 TYPE, NOT INSTRUMENT RATED. TYPE OF ACCIDENT PHASE OF OPERATION HARD LANDING LANDING: POWER-ON LANDING PROBABLE CAUSE(S) PILOT IN COMMAND - MISJUDGED SPEED AND ALTITUDE FACTOR(S) WEATHER - HIGH DENSITY ALTITUDE 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 65 WIND VELOCITY-KNOTS TYPE OF WEATHER CONDITIONS CALM VFR TYPE OF FLIGHT PLAN NONE REMARKS- LATE FLARE-TOUCHED DOWN ON HEELS OF FLOATS-MAIN ROTOR SEVERED TAIL BOOM.GEOLOGICAL SURVEY CONTRACT
Aircraft
- Registration
- N6717D
- Reported as
- Bell 47G-2
- Category
- Helicopter
- Engine
- reciprocating
- Damage
- Substantial damage
N6717DRegistration cancelled Nov 26, 2012 · Bell 47G-2Airframe modelBell 47G-2Engine modelLycoming VO-435 series
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 N6717D · 6
Matched to the same aircraft by N-number and date.
NTSB SEA75FYG10Accident · Serious injuriesClosedQuincy, WANTSB SEA75DYG07Accident · No injuriesClosedRoyal City, WANTSB SEA73DYG02Accident · No injuriesClosedTwisp, WANTSB SEA68D0297Accident · No injuriesClosedMansfield, WANTSB SEA68D0296Accident · No injuriesClosedBridgeport, WANTSB UNK65X0560Accident · No injuriesClosedUmiat, AK