Grumman G-164A accident near Waitsburg, Washington, June 29, 1983
On June 29, 1983, a Grumman G-164A, registered N9536, was substantially damaged in an accident near Waitsburg, Washington (Cropland Air Strip airport). 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
- June 29, 1983
- Place
- Waitsburg, Washington · Cropland Air Strip · 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
- N9536 · no longer on the register · serial 1191
- Damage
- Substantial damage
- Flight
- Aerial application (crop spraying) flight · agricultural flying rules (Part 137)
The NTSB's narrative final · quoted from the NTSB record
THE ACFT GROUNDLOOPED INTO SOFT DIRT AND NOSED OVER AFTER A BRAKE MALFUNCTION. THE PILOT STATED THAT UPON LANDING THE LEFT BRAKE LOCKED. THE PILOT TRIED TO MAINTAIN DIRECTIONAL CONTROL WITH RUDDER AND POWER. THE ACFT VEERED RIGHT INTO SOFT DIRT AND CAME REST INVERTED.
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: commercial pilot
- Ratings: multi-engine land; single-engine land; instrument: airplane; rotorcraft: helicopter
- Flight time: 15,000 hours in all; 7,000 in this make and model; 180 in the last 90 days
- Medical certificate: Class 2 (valid medical--w/ waivers/lim.)
- Seat: ctr
The aircraft
- Airframe total time: 2,900 hours
- Last inspection: annual inspection, January 18, 1983
- Maximum gross weight: 3,725 lb
- Seats: 1
- Landing gear: fixed
- Engine: P&W R1340-AN1 (piston); 0 hours total
- Operator: Cropland Air Service INC.
The flight
- Departed from: Waitsburg WA
- Destination: Waitsburg WA
- Flight plan: none
- Runway 0, 1,800 ft
Weather at the time
- Light: daylight
- Wind: from 170° at 7 knots
- Visibility: 40 statute miles
- Sky: scat at 4,500 ft
- Temperature: 73°F (23°C), dew point 48°F (9°C)
- Altimeter: 29.00 inHg
- Observation at 11:50 pm from ALW, 12 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 N9536 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.