Grumman G-164A accident near S. Of Echo, Oregon, April 25, 1982
On April 25, 1982 at about 6:30 pm local time, a Grumman G-164A, registered N4897, was substantially damaged in an accident near S. Of Echo, Oregon. It was an aerial application (crop spraying) flight under agricultural flying rules (Part 137). No one was hurt; 1 person was on board or involved. The weather was visual conditions (good weather).
The NTSB's probable cause their words, unchanged
The NTSB has not yet published a probable cause for this accident. Investigations usually take one to two years; this page updates when the final report is released.
Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.
What the record shows
- Date
- April 25, 1982 · about 6:30 pm local time
- Place
- S. Of Echo, Oregon · map
- Type
- Accident
- Injuries
- No one was hurt; 1 person was on board or involved.
- Weather
- visual conditions (good weather)
- Aircraft
- Grumman G-164A · all G-164As on the register
- Registration
- N4897 · no longer on the register · serial 1094
- Damage
- Substantial damage
- Flight
- Aerial application (crop spraying) flight · agricultural flying rules (Part 137)
The NTSB's narrative final · quoted from the NTSB record
DURING A SPRAY RUN THE PILOT EXPERIENCED A POWER LOSS. AFTER PULLING UP TO 100 FEET AGL AND TURNING 90 DEGREES THE ENGINE CEASED TO OPERATE. THE PILOT COMPLETED A FORCED LANDING IN A NEARBY SOFT WHEAT FIELD AND AFTER ROLLING APPROXIMATELY 300 FEET THE AIRCRAFT BECAME INVERTED. INSPECTION OF THE ENGINE REVEALED THAT THE NUMBER 6 CYLINDER HAD SEPARATED WHERE IT ATTACHES TO THE CYLINDER HEAD AND IN THE AREA OF AN OLD CRACK.
The complete narrative as the NTSB published it. The NTSB's docket holds the report as a PDF and any photographs, statements and other documents from the investigation.
The factual record from the NTSB's investigation tables, in plain English
Pilot
- Certificate: airline transport pilot, flight instructor
- Ratings: multi-engine land; single-engine land; instructor: airplane single-engine; instructor: instrument airplane; instrument: airplane
- Flight time: 9,999 hours in all; 4,000 in this make and model; 225 in the last 90 days; 75 in the last 30 days; 9,999 as pilot in command
- Medical certificate: Class 2 (valid medical--no waivers/lim.)
- Seat: unk
The aircraft
- Airframe total time: 3,170 hours
- Last inspection: inspection type not recorded; 111 hours since
- Maximum gross weight: 6,075 lb
- Seats: 1
- Landing gear: fixed
- Engine: P & W R1340-AN1 (piston); 0 hours total
The flight
- Departed from: S. Of Echo OR at 11:25 am
- Destination: S. Of Echo OR
- Flight plan: none
- Runway 0
Weather at the time
- Light: daylight
- Wind: from 110° at 3 knots
- Visibility: 30 statute miles
- Sky: not recorded; scat at 25,000 ft
- Temperature: 136°F (58°C), dew point 0°F (-18°C)
- Altimeter: 30.00 inHg
- Observation at 11:50 am from PDT, 16 miles away
Injuries
| Fatal | Serious | Minor | None | |
|---|---|---|---|---|
| Crew | 1 |
Documents from the investigation the NTSB's docket: the evidence folder behind the report
The docket, the folder of records gathered during an investigation (maintenance records, photographs, witness statements, examinations), has not been read from the NTSB for this case yet; the list appears here once it has. Open the docket at the NTSB.
Other NTSB records under N4897 the same tail number, which may have belonged to a different aircraft at the time
Everything on this page comes from the NTSB's public records. The narrative, probable cause and findings are the NTSB's own words; the coded tables behind the report are written out in plain English, with pilots' ages, home towns and medical details left out. The documents and photographs are the NTSB's docket, shown as the NTSB released them. This site's own text never names anyone involved. A preliminary report can change; the final report usually follows one to two years later, and the page is refreshed when it does.