- Date
- October 16, 1981
- Place
- Wasco, CA · WASCO, CA
- Injuries
- 1 uninjured
- Damage
- Substantial damage
- Phase of flight
- Takeoff
- Aircraft
- N7NBBell 47G-4A
- Status
- Completed · report November 23, 1981
- Report
- Brief approved by the director
- FAA report
- 19811016068109A
- Case key
- 123813
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 ---------------------------------------------------------------------------------------------------------------------------- 3-2330 81/10/16 WASCO,CA BELL 47G-4A CR- 0 0 1 COMMERCIAL COMMERCIAL, FL.INSTR., TIME - 0900 N7NB PX- 0 0 0 ASSOC CROP CTL ACTIVITY AGE 50, 16000 TOTAL DAMAGE-SUBSTANTIAL OT- 0 0 0 HOURS, 1200 IN TYPE, NOT INSTRUMENT RATED. DEPARTURE POINT INTENDED DESTINATION WASCO,CA LOCAL TYPE OF ACCIDENT PHASE OF OPERATION ENGINE FAILURE OR MALFUNCTION TAKEOFF: VERTICAL HARD LANDING LANDING: POWER-OFF AUTOROTATIVE LANDING PROBABLE CAUSE(S) POWERPLANT - ENGINE STRUCTURE: MASTER AND CONNECTING RODS MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE SPECIAL DATA TOTAL HOURS IN CROP CONTROL - 9999 KIND OF OPERATION - DEFOLIATION (LIQUID) KIND OF CROP - COTTON TYPE OF CHEMICAL USED - LIQUID CHEMICAL-TOXIC PILOT' S SEAT BELT -UNKNOWN/NOT REPORTED 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 - 400 REMARKS- CNCTG ROD,PN 77450,AND ROD BOLT,PN LW12596,FAILED WHILE DEPG TRUCK PLATFORM.
Aircraft
- Registration
- N7NB
- Reported as
- Bell 47G-4A
- 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 N7NB · 1
Matched to the same aircraft by N-number and date.