- Date
- July 15, 1984, 11:00 local (17:00 UTC)
- Place
- Richey, MT
- Injuries
- 1 uninjured
- Damage
- Destroyed
- Phase of flight
- Enroute
- Aircraft
- N6589Grumman G-164A
- Weather
- Visual (VMC) · Day
- Status
- Completed
- Report
- Approved by Office Director
- FAA report
- 19840715036649A
- Case key
- 16433
From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.
On this page
Sequence of events
NTSB’s coding before 2008: each occurrence and phase of flight, and the causes and factors under it. The codes are defined in NTSB’s coding manual.
Analysis
The plt had finished spraying & was proceeding to the glendive arpt. He said that eng or prop began a sudden severe vibration which required the eng to be shut down. An emegency landing was made. The plt stated that the left wing impacted a hill which spun the acft to the left. Subsequently, the right main gear, tailwheel & the upper & lower right wings failed. A post impact fire destroyed the acft. An exam revealed that the outer 13 inches of 1 prop blade, p/n 6101A-13, had failed. Also, the eng mounting & several mounts were found broken. Records indicated the hamilton standard (prop hub 2-D-30-237) had been overhauled & twisted blades had been straightened in 1977. Total time on the prop since overhaul was 1168 hrs.
Aircraft
- Registration
- N6589
- Reported as
- Grumman G-164A
- Category
- Airplane
- Serial number
- 730
- Airframe hours
- 2,732
- Engine
- P&W R-985, 450 horsepower, reciprocating
- Damage
- Destroyed
- Fire
- On-Ground
- Flight
- Aerial application · Part 137
- Registered owner
- Raymond Kinney
- Airworthiness certificate
- Special, Restricted (Special)
- Last inspection
- 100 hour · May 29, 1984 · 60 hours before
- Departed
- Richey, MT
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.
Flight crew
As NTSB recorded them. NTSB leaves out names.
- Role
- Pilot
- Age
- 36
- Certificate
- Commercial
- Airplane ratings
- Multi-engine land
- Medical
- Class 2, Valid Medical--no waivers/lim.
- Seat
- Center
- Flight hours
- 6,420 total · 400 in this make and model · 6,075 as pilot in command · 205 in the last 90 days · 12 in the last 24 hours
Weather
- Conditions
- Visual (VMC) · Day
- Visibility
- 50 statute miles
- Lowest ceiling
- None
- Temperature
- 81 °F
- Altimeter
- 29.00 inHg
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 N6589 · 2
Matched to the same aircraft by N-number and date.