Cessna 172M accident near Sultan, Washington, December 10, 1984
On December 10, 1984, a Cessna 172M, registered N4436R, was substantially damaged in an accident near Sultan, Washington (Sky Harbor airport). It was a personal flight under general aviation rules (Part 91). No one was hurt; 2 people were 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
- December 10, 1984
- Place
- Sultan, Washington · Sky Harbor · map
- Type
- Accident
- Injuries
- No one was hurt; 2 people were on board or involved.
- Weather
- visual conditions (good weather)
- Aircraft
- Cessna 172M · all 172Ms on the register
- Registration
- N4436R · registry record · serial 17263181
- Damage
- Substantial damage
- Flight
- Personal flight · general aviation rules (Part 91)
The NTSB's narrative final · quoted from the NTSB record
AN OVERRUN OCCURRED ON THE 2,000 FOOT AIRSTRIP DUE TO EXCESS APPROACH AND LANDING SPEED. A LIGHT COATING OF SNOW WAS PRESENT ON THE GRASS RUNWAY AND THE PILOT NEGLECTED TO RAISE THE FLAPS ADDING TO A LONGER LANDING ROLL AND MAKING BRAKING LESS EFFECTIVE. A 5 KNOT TAILWIND WAS ALSO PRESENT. AFTER TOUCHDOWN, THE PLT WAS UNABLE TO ABORT THE LANDING DUE TO OBSTACLES AT THE DEPARTURE END OF THE RUNWAY.THE ACFT ROLLED PAST THE END OF THE RUNWAY AND STRUCK AN EMBANKMENT AT A SLOW SPEED.
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: private
- Ratings: single-engine land
- Flight time: 297 hours in all; 242 as pilot in command
- Medical certificate: Class 3 (valid medical--w/ waivers/lim.)
- Seat: left
The aircraft
- Airframe total time: 3,139 hours
- Last inspection: annual inspection, October 6, 1984; 7 hours since
- Maximum gross weight: 2,300 lb
- Seats: 4
- Landing gear: fixed
- Engine: Lycoming O-320-E2D (piston); 0 hours total
The flight
- Departed from: PAE Everett WA
- Destination: WA64 Sultan WA
- Flight plan: none
- Runway 25, 2,000 ft by 140 ft
Weather at the time
- Light: daylight
- Wind: from 090° at 5 knots
- Visibility: 30 statute miles
- Sky: broken clouds at 3,500 ft; not recorded at 3,500 ft
- Temperature: 39°F (4°C), dew point 0°F (-18°C)
Injuries
| Fatal | Serious | Minor | None | |
|---|---|---|---|---|
| Crew | 1 | |||
| Passengers | 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.