The U.S. aircraft register, updated daily
Accidents · NTSB SEA90LA126 · Final report

Amateur-built QUICKIE Q2 accident near Twisp, Washington, July 9, 1990

On July 9, 1990 at about 7:55 pm local time, a amateur-built QUICKIE Q2, registered N4416Q, was destroyed in an accident near Twisp, Washington (Twisp airport). It was a personal flight under general aviation rules (Part 91). 1 person had minor injuries. The weather was visual conditions (good weather).

The NTSB's probable cause their words, unchanged

THE PILOT'S FAILURE TO MAINTAIN DIRECTIONAL CONTROL DURING THE LANDING ROLL. FACTORS RELATED TO THE ACCIDENT WERE: THE HIGH WEEDS ON THE SIDES OF THE GRASS/DIRT STRIP AND THE DIRT BERM.

Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.

What the record shows

Date
July 9, 1990 · about 7:55 pm local time
Place
Twisp, Washington · Twisp · map
Type
Accident
Injuries
1 person had minor injuries.
Weather
visual conditions (good weather)
Aircraft
Amateur-built QUICKIE Q2
Registration
N4416Q · no longer on the register · serial 2584
Damage
Destroyed
Flight
Personal flight · general aviation rules (Part 91)

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

WHILE ON THE LANDING ROLL, THE ACFT DRIFTED TO THE SIDE OF THE GRASS/DIRT STRIP. THE RIGHT MAIN LNDG GEAR ENTERED WEEDS AND THE ACFT SWERVED OFF THE SIDE OF THE STRIP, IMPACTED A DIRT BERM AND NOSED OVER.

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
  • Ratings: multi-engine land; single-engine land; single-engine sea; instrument: airplane
  • Flight time: 13,000 hours in all; 138 in this make and model; 9 in the last 90 days; 4 in the last 30 days; 7,000 as pilot in command
  • Medical certificate: Class 2 (valid medical--w/ waivers/lim.)
  • Seat: left

The aircraft

  • Airframe total time: 138 hours
  • Last inspection: annual inspection, July 1, 1990; 2 hours since
  • Maximum gross weight: 1,100 lb
  • Seats: 2
  • Landing gear: fixed
  • Engine: Revmaster 2100D (piston); 0 hours total

The flight

  • Departed from: 1S0 Puyallup WA at 5:50 pm
  • Flight plan: none
  • Runway 28, 2,740 ft by 110 ft

Weather at the time

  • Light: daylight
  • Visibility: 50 statute miles
  • Sky: clear
  • Temperature: 82°F (28°C), dew point 0°F (-18°C)

Injuries

FatalSeriousMinorNone
Crew1

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 N4416Q the same tail number, which may have belonged to a different aircraft at the time

1995-11-24SEA96LA023 · accident near Puyallup, WA · destroyed · fatal
1984-08-22SEA84LA211 · accident near Puyallup, WA · substantial damage · no injuries

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.