- Date
- April 28, 1984, 15:30 local (23:30 UTC)
- Place
- Hermiston, OR
- Injuries
- 1 uninjured
- Damage
- Substantial damage
- Phase of flight
- Maneuvering
- Aircraft
- N4897Grumman G-164A
- Weather
- Visual (VMC) · Day
- Status
- Completed
- Report
- Approved by Office Director
- Case key
- 39907
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
During a beginning swath run, the plt was making a left skidding turn to follow the edge of a circular field. He stated that the acft encountered a downdraft which raised the right wing. Subsequently, the left wing contacted the ground & the acft crashed.
Aircraft
- Registration
- N4897
- Reported as
- Grumman G-164A
- Category
- Airplane
- Serial number
- 1094
- Airframe hours
- 3,769
- Engine
- P&W R-985-AN1, 450 horsepower, reciprocating
- Damage
- Substantial damage
- Flight
- Aerial application · Part 137
- Registered owner
- West Line Service
- Airworthiness certificate
- Special, Restricted (Special)
- Last inspection
- Annual · September 19, 1983
- Departed
- 5S7 · Hermiston, OR
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
- 45
- Certificate
- Commercial
- Airplane ratings
- Multi-engine land, Single-engine land
- Instrument ratings
- Airplane
- Medical
- Class 2, Valid Medical--no waivers/lim.
- Seat
- Center
- Flight hours
- 9,177 total · 5,000 in this make and model · 9,700 as pilot in command · 150 in the last 90 days · 6 in the last 24 hours
Weather
- Conditions
- Visual (VMC) · Day
- Wind
- 210° at 11 knots
- Visibility
- 30 statute miles
- Lowest ceiling
- None
- Temperature
- 57 °F, dew point 37 °F
- Altimeter
- 30.00 inHg
- Observed at
- AWL, 55 nm away
Other investigations on N4897 · 2
Matched to the same aircraft by N-number and date.