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Accidents · NTSB WPR11CA033 · Final report

Medway RAVEN accident near Benson, Arizona, October 27, 2010

On October 27, 2010 at about 6:55 pm local time, a Medway RAVEN, registered N75784, was substantially damaged in an accident during taxi (into takeoff position) near Benson, Arizona (Benson Municipal Airport). It was a personal flight under general aviation rules (Part 91). 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 pilot's inadequate evaluation of the runway condition and failure to maintain directional control during takeoff.

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

What the record shows

Date
October 27, 2010 · about 6:55 pm local time
Place
Benson, Arizona · Benson Municipal Airport · map
Type
Accident
Injuries
No one was hurt; 1 person was on board or involved.
Weather
visual conditions (good weather)
Aircraft
Medway RAVEN UNDESIGNAT
Registration
N75784 · no longer on the register · serial KMR9371
Damage
Substantial damage
Flight
Personal flight · general aviation rules (Part 91)

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

The pilot stated that, as he taxied the trike onto the runway and toward the centerline, it encountered a lateral crack across the runway pavement, which caused a noticeable and sharp movement through the foot controls; he felt no other anomalies. He lined the trike on the runway centerline and began the takeoff roll. The trike struck another crack and veered to the right. He attempted to correct back to the runway centerline without success. The trike rolled up on its left side, causing damage to the left wing's keel tube, the control A-frame, left leading edge spar, and sail cloth. The pilot reported to the Federal Aviation Administration (FAA) that he wanted to go out on one last flight before the runway was closed for repairs. According to the FAA airworthiness inspector who responded to the accident, the crack in the runway that the trike traversed was about 4 to 5 inches wide and at least 1 to 2 inches deep. The city commenced planned runway repairs several days after the accident.

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. Collision with terrain or object (not controlled flight into terrain) during taxi (into takeoff position) defining event
  2. Loss of control on ground during takeoff
  3. Landing gear collapse during takeoff

The NTSB's findings

  • cause Personnel issues › Action/decision › Info processing/decision › Decision making/judgment › Pilot
  • cause Environmental issues › Physical environment › Runway/land/takeoff/taxi surfa › (general) › Decision related to condition
  • Environmental issues › Physical environment › Runway/land/takeoff/taxi surfa › (general) › Contributed to outcome

Pilot

  • Certificate: private, sport pilot
  • Ratings: multi-engine land; single-engine land; instrument: airplane
  • Flight time: 1,199 hours in all; 120 in this make and model
  • Last flight review: February 15, 2009
  • Medical certificate: Class 3 (without waivers/limitations)
  • Seat: ctr
  • Injury: no injuries

The aircraft

  • Landing gear: fixed
  • Engine: Rotax 503 (piston); 0 hours total

The flight

  • Departed from: E95 Benson AZ at 6:45 pm
  • Destination: E95 Benson AZ
  • Flight plan: none
  • Runway 10, 4,500 ft by 50 ft

Weather at the time

  • Light: daylight
  • Visibility: 10 statute miles
  • Sky: clear
  • Temperature: 75°F (24°C), dew point 30°F (-1°C)
  • Altimeter: 30.02 inHg
  • Observation at 6:40 pm from E95

Injuries

FatalSeriousMinorNone
Flight 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.

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.