- Date
- March 8, 1980
- Place
- Merced, CA · MERCED, CA
- Injuries
- 1 uninjured
- Damage
- Substantial damage
- Phase of flight
- Maneuvering
- Aircraft
- N9770CHiller UH-12E
- Status
- Completed · report September 12, 1980
- Report
- Brief approved by the director
- FAA report
- 19800308005139A
- Case key
- 131536
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 ---------------------------------------------------------------------------------------------------------------------------- 3-1844 80/3/8 NR.MERCED,CA HILLER UH-12E CR- 0 0 1 COMMERCIAL AIRLINE TRANSPORT, AGE TIME - 1200 N9770C PX- 0 0 0 AERIAL APPLICATION 41, 15543 TOTAL HOURS, DAMAGE-SUBSTANTIAL OT- 0 0 0 226 IN TYPE, NOT INSTRUMENT RATED. DEPARTURE POINT INTENDED DESTINATION MERCED,CA LOCAL TYPE OF ACCIDENT PHASE OF OPERATION PROPELLER/ROTOR FAILURE: TAIL ROTOR IN FLIGHT: STARTING SWATH RUN HARD LANDING LANDING: POWER-OFF AUTOROTATIVE LANDING PROBABLE CAUSE(S) ROTORCRAFT - ROTOR ASSEMBLIES: TAIL ROTOR BLADES MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE FACTOR(S) MISCELLANEOUS ACTS,CONDITIONS - SEPARATION IN FLIGHT EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND SPECIAL DATA TOTAL HOURS IN CROP CONTROL - 2000 KIND OF OPERATION - OTHER KIND OF CROP - OTHER TYPE OF CHEMICAL USED - LIQUID CHEMICAL-TOXIC PILOT' S SEAT BELT -UNKNOWN/NOT REPORTED GLOVES - 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 - 160 SWATH RUN-HOW FLOWN - UNKNOWN/NOT REPORTED REMARKS- TAIL ROTOR BLADE,PN 55073,OVERSTRESS FRACTURE,1234HRS SINCE NEW.WEED CTL OPN,OPEN FLD.
Aircraft
- Registration
- N9770C
- Reported as
- Hiller 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.
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 N9770C · 6
Matched to the same aircraft by N-number and date.
NTSB LAX83LA360Accident · No injuriesLimited investigationFinal reportLos Banos, CAThe plt had dropped off a flagman in an area to be sprayed, & had just departed & obtained translational lift when the eng lost power. The acft touched down in a freshly irrigated cotton field, rolled over inverted & burst into flames. The 'b' nut which…NTSB OAK76FVM47Accident · No injuriesClosedSalinas, CANTSB OAK75FVM27Accident · No injuriesClosedKing City, CANTSB LAX74FUM12Accident · No injuriesClosedBrawley, CANTSB ANC67A0065Accident · No injuriesClosedEagle, AKNTSB ANC66A0048Accident · Minor injuriesClosedFairbanks, AK