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Accidents · NTSB WPR26FA217 · Preliminary: the investigation is not finished

Amateur-built 235 accident near Hillsboro, Oregon, June 12, 2026

On June 12, 2026 at about 10:08 pm local time, a 2014 amateur-built 235, registered N10CF, was substantially damaged in an accident during takeoff (rejected takeoff) near Hillsboro, Oregon (Stark'S Twin Oaks Airpark airport). It was a personal flight under general aviation rules (Part 91). 1 person was killed. 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 12, 2026 · about 10:08 pm local time
Place
Hillsboro, Oregon · Stark'S Twin Oaks Airpark · map
Type
Accident
Injuries
1 person was killed.
Weather
visual conditions (good weather)
Aircraft
Amateur-built 235 NO SERIES, built 2014
Registration
N10CF · registry record · serial 203
Damage
Substantial damage
Flight
Personal flight · general aviation rules (Part 91)

The NTSB's narrative preliminary · quoted from the NTSB record

On June 12, 2026, at about 1508 Pacific daylight time, a Lancair 235, N10CF, was destroyed when it was involved in an accident near Hillsboro, Oregon. The pilot was fatally injured. The airplane was operated as a Title 14 Code of Federal Regulations Part 91 personal flight. A pilot-rated witness located near the runway, just south of midfield, observed the accident sequence. During the airplane’s takeoff roll on runway 02, he reported the airplane’s nosewheel lifted off the runway surface within the first third of the runway and subsequently settled back to the runway. He observed the nosewheel rise off the runway a second time, followed by a reduction of engine noise. He also noted that the airplane appeared to decelerate. As the airplane crossed about the runway midpoint, he heard the engine noise increase. He lost sight of the airplane as it passed behind a rise in the terrain. He then heard sounds that he associated with the airplane impacting terrain. A second pilot-rated witness stated he observed the airplane start its takeoff roll and observed the nose lift off about halfway down the runway, though the airplane was not yet airborne. The airplane briefly passed behind a building, obscuring his view, at which time he heard a reduction in engine noise. He then heard a sound he associated with heavy braking, followed by the application of engine power. About two seconds later, he heard a second reduction in power and a sound of “locked up brakes.” The airplane came back into his field of view, and he observed white smoke from the tires. Another witness, who was located about 500 ft northeast of the departure end of runway 02, stated that he heard tires “chirping” followed by the sound of an engine “rev.” He then saw an airplane come off the end of the runway at a low altitude. He stated that the nose of the airplane pitched up and then the airplane rolled left. He observed the left wing impact terrain and the airplane cart-wheel before coming to rest and catching fire. Dashcam footage obtained from the driver of a privately owned vehicle traveling eastbound on SW River Road depicted the accident airplane exiting the departure end of runway 02 in a nose-high attitude. The camera’s view of the airplane was temporarily obstructed by vegetation; it then reappeared in a left-bank attitude as the left wing impacted terrain. Figure 1 Map depicting location of witness's, skid marks and main wreckage. The red lines represent skid marks. Examination of the runway surface revealed parallel, dark skid marks consistent with the accident airplane’s main landing gear tire tread and track width. The skid marks began about 1,000 ft from the start of runway 02, beginning with an intermittent mark from the right tire about 90 ft long, then continuing with marks from both tires for about 160 additional feet. A second set of skid marks was identified, beginning about 1,800 ft from the start of runway 02 and continuing for about 660 ft. A 66-inch-long gouge was observed in the pavement, extending off the departure end of runway 02. The gouge contained abraded material consistent with composite rudder material from the accident airplane. The wreckage was located in an area of uneven terrain in tall vegetation. All major structures were accounted for at the accident site. The airplane came to rest about 350 feet north of the runway on a magnetic heading of 195°. The first identified point of contact was disturbed soil located about 33 feet south of the main wreckage, where a single propeller blade was embedded. The fuselage and cabin area were mostly consumed by fire. The left wing was also consumed by fire. The right wing was thermally damaged and mostly intact, and the right-wing fuel tank was thermally damaged and breached. The empennage was separated from the fuselage and located adjacent to and north of the main wreckage; it sustained thermal damage, but was largely intact. The engine and firewall structure were thermally damaged, separated from the fuselage and located alongside and north of the main wreckage. The lower edge of the rudder exhibited abraded material consistent with the pavement gouge observed at the departure end of runway 02. The wreckage was retained for further examination.

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

What happened, in order

  1. Unknown or undetermined during takeoff (rejected takeoff) defining event

The aircraft

  • Seats: 2
  • Landing gear: retractable
  • Fire on the ground

The flight

  • Runway 02, 2,465 ft by 48 ft

Weather at the time

  • Light: daylight
  • Visibility: 10 statute miles
  • Sky: clear
  • Temperature: 75°F (24°C), dew point 46°F (8°C)
  • Altimeter: 30.10 inHg
  • Observation at 3:00 pm from KUAO, 13 miles away

Weather report (METAR): METAR KUAO 122153Z VRB03KT 10SM CLR 24/08 A3010 RMK AO2 SLP191 T02440083

Injuries

FatalSeriousMinorNone
Flight crew1

Documents from the investigation the NTSB's docket: the evidence folder behind the report

The NTSB has not released the docket for this case yet. The docket, the folder of records gathered during an investigation (maintenance records, photographs, witness statements, examinations), is usually released when the investigation is nearly complete, and the list here is refreshed when it appears. Check at the NTSB.

About this page

Everything above comes from the NTSB's public accident database: the narrative, probable cause and findings are the NTSB's own words, and the coded tables behind its report (pilot, aircraft, flight, weather, injuries, sequence of events) are written out in plain English. Pilots' ages, home towns and medical details are left out on purpose. The documents and photographs are the NTSB's docket, the folder of records gathered during the investigation, shown as the NTSB released them (the NTSB redacts some personal details first) and listed under the NTSB's own titles. This site's own text never names pilots, passengers or anyone else involved. A preliminary report describes what is known soon after the event and can change; the final report, with the probable cause, usually follows one to two years later and this page is refreshed when it does. Case number WPR26FA217.