- Date
- August 14, 1971
- Place
- Buttnwillow, CA · BUTTNWILLOW, CA
- Injuries
- 1 uninjured
- Damage
- Substantial damage
- Phase of flight
- Takeoff
- Aircraft
- N728YGrumman G-164
- Status
- Completed · report March 30, 1972
- Report
- Brief approved by the director
- Case key
- 162785
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 ---------------------------------------------------------------------------------------------------------------------------- 3-3011 71/8/14 BUTTNWILLOW,CALIF GRUMMAN G-164 CR- 0 0 1 COMMERCIAL COMMERCIAL, AGE 50, 11000 TIME - 0630 N728Y PX- 0 0 0 ASSOC CROP CTL ACTIVITY TOTAL HOURS, 2500 IN DAMAGE-SUBSTANTIAL OT- 0 0 0 TYPE, NOT INSTRUMENT RATED. DEPARTURE POINT INTENDED DESTINATION BUTTNWILLOW,CALIF LOCAL TYPE OF ACCIDENT PHASE OF OPERATION GEAR COLLAPSED TAKEOFF: RUN PROBABLE CAUSE(S) AIRFRAME - LANDING GEAR: MAIN GEAR-SHOCK ABSORBING ASSY,STRUTS,ATTACHMENTS,ETC. MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE FACTOR(S) PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION SPECIAL DATA TOTAL HOURS IN CROP CONTROL - 8000 KIND OF OPERATION - SPRAYING CROPS KIND OF CROP - GRAIN FIELDS 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 - INSTALLED TANK/HOPPER-LOCATION - FORWARD OF PILOT REMARKS- L GR LEG FAILED.SPRAYING DYLOX.
Aircraft
- Registration
- N728Y
- Reported as
- Grumman G-164
- Category
- Airplane
- Engine
- reciprocating
- Damage
- Substantial damage
N728YRegistration cancelled Nov 10, 2010 · Grumman G-164Airframe modelGrumman G-164Engine modelPratt & Whitney R1340 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.
Other investigations on N728Y · 1
Matched to the same aircraft by N-number and date.