- Date
- May 29, 1966
- Place
- Chester, MT · CHESTER, MT
- Injuries
- 1 uninjured
- Damage
- No damage
- Phase of flight
- Maneuvering
- Aircraft
- N517YGrumman G-164
- Status
- Completed · report January 26, 1967
- Report
- Brief approved by the director
- Case key
- 171540
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 ---------------------------------------------------------------------------------------------------------------------------- 2-0453 66/5/29 NR.CHESTER MONT GRUMMAN G-164 CR- 0 0 1 COMMERCIAL COMMERCIAL, AGE 25, 2350 TIME - 0610 N517Y PX- 0 0 0 AERIAL APPLICATION TOTAL HOURS, 600 IN TYPE, DAMAGE-NONE OT- 0 0 0 INSTRUMENT RATED. TYPE OF ACCIDENT PHASE OF OPERATION COLLIDED WITH: FLAGMAN,LOADER IN FLIGHT: SWATH RUN PROBABLE CAUSE(S) PERSONNEL - MISCELLANEOUS-PERSONNEL: GROUND SIGNALMAN PILOT IN COMMAND - IMPROPER IN-FLIGHT DECISIONS OR PLANNING SPECIAL DATA TOTAL HOURS IN CROP CONTROL - 1000 KIND OF OPERATION - SPRAYING CROPS KIND OF CROP - GRAIN FIELDS TYPE OF CHEMICAL USED - LIQUID CHEMICAL-NONTOXIC PILOT' S SEAT BELT -UNKNOWN/NOT REPORTED GLOVES - USED GOGGLES - NOT USED CRASH HELMET - AVAILABLE USED COCKPIT CRASHPAD - INSTALLED CRASH BAR - INSTALLED TANK/HOPPER-LOCATION - FORWARD OF PILOT TERRAIN-TYPE -ROLLING ELEVATION-AREA BEING TREATED-FEET - 3100 SWATH RUN-HOW FLOWN - CROSSWIND REMARKS- FLAGMAN FAILED TO MOVE TO ASSIGNED POSITION OUT OF PATH OF THE ACFT.PILOT DELAYED EVASIVE ACTION.
Aircraft
- Registration
- N517Y
- Reported as
- Grumman G-164
- Category
- Airplane
- Engine
- reciprocating
- Damage
- No damage
N517YRegistration cancelled Dec 11, 2012 · Grumman G-164Airframe modelGrumman G-164Engine modelContinental W670 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 N517Y · 1
Matched to the same aircraft by N-number and date.