Cessna 188-A accident near Warden, Washington, March 29, 1986
On March 29, 1986 at about 8:30 pm local time, a Cessna 188-A, registered N4736Q, was substantially damaged in an accident near Warden, Washington. 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
- March 29, 1986 · about 8:30 pm local time
- Place
- Warden, Washington · map
- Type
- Accident
- Injuries
- No one was hurt; 1 person was on board or involved.
- Weather
- visual conditions (good weather)
- Aircraft
- Cessna 188-A · all 188-As on the register
- Registration
- N4736Q · no longer on the register · serial 18802503T
- Damage
- Substantial damage
- Flight
- Aerial application (crop spraying) flight · agricultural flying rules (Part 137)
The NTSB's narrative final · quoted from the NTSB record
WHILE AT CRUISE, THE PILOT WAS DISTRACTED AND HAD HIS HEAD TURNED WHEN HE INADVERTENTLY FLEW INTO THE GROUND.
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: flight instructor, commercial pilot
- Ratings: multi-engine land; single-engine land; instructor: airplane single-engine; instructor: instrument airplane; instrument: airplane
- Flight time: 10,000 hours in all; 7,500 in this make and model; 35 in the last 90 days; 9,630 as pilot in command
- Medical certificate: Class 2 (valid medical--w/ waivers/lim.)
- Seat: ctr
The aircraft
- Airframe total time: 2,637 hours
- Last inspection: 100-hour inspection, March 11, 1986; 19 hours since
- Maximum gross weight: 4,200 lb
- Seats: 1
- Landing gear: fixed
- Engine: Continental IO-520-D (piston); 0 hours total
- Operator: Terry Kilmer CORP Dusing, INC.
The flight
- Departed from: 33WA Warden WA at 8:10 pm
- Flight plan: none
- Runway 0
Weather at the time
- Light: daylight
- Wind: from 180° at 2 knots, gusting 4
- Visibility: 50 statute miles
- Sky: clear
- Temperature: 70°F (21°C), dew point 0°F (-18°C)
- Altimeter: 30.00 inHg
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.
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.
