NTSB Identification: DEN67A0071
14 CFR Part 91 General Aviation
Aircraft: HILLER UH-12L, registration: N90457----------------------------------------------------------------------------------------------------------------------------
FILE DATE LOCATION AIRCRAFT DATA INJURIES FLIGHT PILOT DATA
F S M/N PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-0195 67/5/23 FAIRPLAY,COLO HILLER UH-12L CR- 0 0 1 COMMERCIAL COMMERCIAL, FL.INSTR.,
TIME - 0830 N90457 PX- 0 0 0 CONSTRUCTION AGE 41, 2800 TOTAL HOURS,
DAMAGE-SUBSTANTIAL OT- 0 0 0 100 IN TYPE, NOT
INSTRUMENT RATED.
TYPE OF ACCIDENT PHASE OF OPERATION
COLLISION WITH GROUND/WATER: CONTROLLED IN FLIGHT: POWER-ON DESCENT
PROBABLE CAUSE(S)
PILOT IN COMMAND - FAILED TO MAINTAIN ADEQUATE ROTOR R.P.M.
PILOT IN COMMAND - FAILED TO USE OR INCORRECTLY USED MISC.EQUIPMENT
FACTOR(S)
WEATHER - HIGH DENSITY ALTITUDE
WEATHER - UNFAVORABLE WIND CONDITIONS
WEATHER - SUDDEN WINDSHIFT
WEATHER BRIEFING - NO RECORD OF BRIEFING RECEIVED
WEATHER FORECAST - UNKNOWN/NOT REPORTED
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 60
TYPE OF WEATHER CONDITIONS TYPE OF FLIGHT PLAN
VFR NONE
REMARKS- WHEN 500 LB AUGER ON SLING WAS LOWERED TO GRND IT ROLLED DOWNHILL.PLT DID NOT RELEASE LOAD.
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