- Date
- September 11, 1980
- Place
- Yuma, AZ · YUMA, AZ
- Injuries
- 1 uninjured
- Damage
- Destroyed
- Phase of flight
- Maneuvering
- Aircraft
- N7990JBell 47G-5A
- Status
- Completed · report February 24, 1981
- Report
- Brief approved by the director
- FAA report
- 19800911042459A
- Case key
- 127997
From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.
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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 ---------------------------------------------------------------------------------------------------------------------------- 3-3466 80/9/11 YUMA,AZ BELL 47G-5A CR- 0 0 1 COMMERCIAL COMMERCIAL, AGE 27, 3016 TIME - 0155 N7990J PX- 0 0 0 AERIAL APPLICATION TOTAL HOURS, 414 IN TYPE, DAMAGE-DESTROYED OT- 0 0 0 INSTRUMENT RATED. DEPARTURE POINT INTENDED DESTINATION YUMA,AZ LOCAL TYPE OF ACCIDENT PHASE OF OPERATION PROPELLER/ROTOR FAILURE: MAIN ROTOR IN FLIGHT: PULLUP FROM SWATH RUN COLLIDED WITH: TREES LANDING: POWER-OFF AUTOROTATIVE LANDING PROBABLE CAUSE(S) ROTORCRAFT - TRANSMISSION ROTOR DRIVE SYSTEM: MAIN ROTOR GEAR BOX MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND SPECIAL DATA TOTAL HOURS IN CROP CONTROL - 340 KIND OF OPERATION - SPRAYING CROPS KIND OF CROP - COTTON TYPE OF CHEMICAL USED - LIQUID CHEMICAL-TOXIC PILOT' S SEAT BELT -FASTENED-PROPERLY 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 - 200 SWATH RUN-HOW FLOWN - WIND CALM REMARKS- PINION GEAR BEARING FAILED IN MAIN ROTOR TRANSMISSION.1061HRS SINCE OVRHAUL.
Aircraft
- Registration
- N7990J
- Reported as
- Bell 47G-5A
- Category
- Helicopter
- Engine
- reciprocating
- Damage
- Destroyed
N7990JRegistration cancelled Nov 19, 2014 · Bell 47G-5AAirframe modelBell 47G-5AEngine 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.
FAA reports on this event · 1
The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.