- Date
- May 17, 1972
- Place
- Dubois, ID · DUBOIS, ID
- Injuries
- 1 uninjured
- Damage
- Substantial damage
- Phase of flight
- Maneuvering
- Aircraft
- N90465Hiller Acft UH-12E
- Status
- Completed · report February 12, 1973
- Report
- Brief approved by the director
- Case key
- 166530
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 ---------------------------------------------------------------------------------------------------------------------------- 3-1708 72/5/17 NR.DUBOIS,ID HILLER ACFT UH-12E CR- 0 0 1 COMMERCIAL COMMERCIAL, FL.INSTR., TIME - 1857 N90465 PX- 0 0 0 AERIAL APPLICATION AGE 33, 2047 TOTAL HOURS, DAMAGE-SUBSTANTIAL OT- 0 0 0 1025 IN TYPE, NOT INSTRUMENT RATED. DEPARTURE POINT INTENDED DESTINATION DUBOIS,ID LOCAL TYPE OF ACCIDENT PHASE OF OPERATION COLLIDED WITH: TREES IN FLIGHT: PROCEDURE TURNAROUND PROBABLE CAUSE(S) PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED FACTOR(S) WEATHER - HIGH DENSITY ALTITUDE TERRAIN - HIGH OBSTRUCTIONS WEATHER BRIEFING - NO RECORD OF BRIEFING RECEIVED WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT 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 59 WIND DIRECTION-DEGREES WIND VELOCITY-KNOTS 200 10 TYPE OF WEATHER CONDITIONS TYPE OF FLIGHT PLAN VFR NONE SPECIAL DATA TOTAL HOURS IN CROP CONTROL - 135 KIND OF OPERATION - SPRAYING CROPS KIND OF CROP - SAGE TYPE OF CHEMICAL USED - LIQUID CHEMICAL-NONTOXIC PILOT' S SEAT BELT -UNKNOWN/NOT REPORTED GLOVES - NOT USED GOGGLES - NOT USED CRASH HELMET - AVAILABLE USED CRASH BAR - NOT INSTALLED TANK/HOPPER-LOCATION - AFT OF PILOT ELEVATION-AREA BEING TREATED-FEET - 6400 SWATH RUN-HOW FLOWN - CROSSWIND PROCEDURE TURNAROUND - ENTRY TO PROCEDURE TURN REMARKS- UN MAINTAIN FLT DUE HEAVY LOAD,DENSITY ALT OF 7800 FT AND RISING TERRAIN. SETTLED INTO TREES.
Aircraft
- Registration
- N90465
- Reported as
- Hiller Acft UH-12E
- 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 N90465 · 4
Matched to the same aircraft by N-number and date.