- Date
- February 25, 1979
- Place
- Brentwood, CA · BRENTWOOD, CA
- Injuries
- 1 uninjured
- Damage
- Substantial damage
- Phase of flight
- Maneuvering
- Aircraft
- N94731Hiller UH-12B
- Status
- Completed · report March 22, 1979
- Report
- Brief approved by the director
- FAA report
- 19790225003659A
- Case key
- 137872
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 ---------------------------------------------------------------------------------------------------------------------------- 3-0285 79/2/25 NR.BRENTWOOD,CA HILLER UH-12B CR- 0 0 1 COMMERCIAL COMMERCIAL, AGE 27, 1305 TIME - 1230 N94731 PX- 0 0 0 AERIAL APPLICATION TOTAL HOURS, 1101 IN DAMAGE-SUBSTANTIAL OT- 0 0 0 TYPE, NOT INSTRUMENT RATED. DEPARTURE POINT INTENDED DESTINATION BRENTWOOD,CA LOCAL TYPE OF ACCIDENT PHASE OF OPERATION ENGINE FAILURE OR MALFUNCTION IN FLIGHT: PROCEDURE TURNAROUND COLLIDED WITH: WIRES/POLES LANDING: POWER-OFF AUTOROTATIVE LANDING PROBABLE CAUSE(S) POWERPLANT - IGNITION SYSTEM: SPARK PLUG MISCELLANEOUS ACTS,CONDITIONS - CARBON DEPOSITS FACTOR(S) TERRAIN - HIGH OBSTRUCTIONS PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND SPECIAL DATA TOTAL HOURS IN CROP CONTROL - 1000 KIND OF OPERATION - SPRAYING CROPS KIND OF CROP - OTHER TYPE OF CHEMICAL USED - LIQUID CHEMICAL-TOXIC PILOT' S SEAT BELT -FASTENED-PROPERLY GLOVES - NOT USED GOGGLES - NOT USED CRASH HELMET - AVAILABLE USED COCKPIT CRASHPAD - NOT INSTALLED CRASH BAR - NOT INSTALLED TANK/HOPPER-LOCATION - SIDES TERRAIN-TYPE -LEVEL,FLAT ELEVATION-AREA BEING TREATED-FEET - 120 SWATH RUN-HOW FLOWN - WIND CALM PROCEDURE TURNAROUND - SECOND 1/3 TURN
Aircraft
- Registration
- N94731
- Reported as
- Hiller UH-12B
- Category
- Helicopter
- Engine
- reciprocating
- Damage
- Substantial damage
N94731Registration cancelled Jul 17, 2007 · Hiller UH-12BAirframe modelHiller UH-12BEngine modelFranklin 6VS-335 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.
FAA reports on this event · 1
The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.
Other investigations on N94731 · 1
Matched to the same aircraft by N-number and date.