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Accidents · NTSB WPR09CA232 · Final report

Amateur-built RAF 2000 G accident near South Prairie, Washington, May 9, 2009

On May 9, 2009 at about 9:00 pm local time, a amateur-built RAF 2000 G (gyroplane), registered N1435X, was substantially damaged in an accident during initial climb near South Prairie, Washington (Cawley South Prairie airport). It was a personal flight under general aviation rules (Part 91). 1 person had minor injuries; 1 other was unhurt. The weather was visual conditions (good weather).

The NTSB's probable cause their words, unchanged

The pilot's abrupt maneuver to avoid a collision that resulted in an airspeed reduction and subsequent loss of lift provided by the rotor system. Contributing to the accident was the failure of both pilots to maintain an adequate visual lookout for other aircraft in the traffic pattern.

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

What the record shows

Date
May 9, 2009 · about 9:00 pm local time
Place
South Prairie, Washington · Cawley South Prairie · map
Type
Accident
Injuries
1 person had minor injuries; 1 other was unhurt.
Weather
visual conditions (good weather)
Aircraft
Amateur-built RAF 2000 G
Registration
N1435X · no longer on the register · serial H2-00-11-450
Damage
Substantial damage
Flight
Personal flight · general aviation rules (Part 91)

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

The pilot reported that during takeoff initial climb from the uncontrolled airport, at 50 feet above ground level, he heard the sound of an airplane coming towards him from the left and saw a shadow of the airplane on the ground merging with his, and initiated an abrupt turn of 90 degrees to the right to avoid a collision. Upon completion of the turn, the pilot noticed that he had lost a significant amount of airspeed and was heading toward a residential structure. The pilot initiated a second turn to the right to miss the house and attempted to regain airspeed. Subsequently, the gyroplane impacted terrain adjacent to the runway. The pilot reported no mechanical anomalies with the flight control system or engine prior to the accident. A witness located adjacent to the accident site reported that another aircraft was apparently making a high-speed pass over the runway and overflew the gyroplane as it was taking off.

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. Abrupt maneuver during initial climb defining event
  2. Loss of control in flight during initial climb
  3. Collision with terrain or object (not controlled flight into terrain) during initial climb

The NTSB's findings

  • cause Personnel issues › Task performance › Use of equip/info › Aircraft control › Pilot
  • factor Personnel issues › Psychological › Attention/monitoring › Monitoring other aircraft › Pilot
  • cause Aircraft › Aircraft oper/perf/capability › Performance/control parameters › Airspeed › Not attained/maintained
  • factor Personnel issues › Psychological › Attention/monitoring › Monitoring other aircraft › Pilot of other aircraft

Pilot

  • Certificate: private
  • Ratings: single-engine land; rotorcraft: gyroplane
  • Flight time: 420 hours in all; 337 in this make and model; 8 in the last 90 days; 2 in the last 30 days; 342 as pilot in command; 0 on instruments
  • Last flight review: December 6, 2008
  • Medical certificate: Class 3 (with waivers/limitations)
  • Seat: left
  • Injury: no injuries

The aircraft

  • Airframe total time: 381 hours
  • Last inspection: annual inspection, March 7, 2009; 5 hours since
  • Maximum gross weight: 1,550 lb
  • Seats: 2
  • Landing gear: fixed
  • Engine: Ama/Expr UNKNOWN ENG (piston); 0 hours total

The flight

  • Departed from: 02WA South Prairie WA at 9:00 pm
  • Destination: S50 Auburn WA
  • Flight plan: none
  • Runway 34, 2,400 ft by 100 ft

Weather at the time

  • Light: daylight
  • Wind: from 340° at 6 knots
  • Visibility: 10 statute miles
  • Sky: a few clouds at 3,200 ft
  • Temperature: 61°F (16°C), dew point 46°F (8°C)
  • Observation at 4:00 am from PLU, 10 miles away

Injuries

FatalSeriousMinorNone
Flight crew1
Passengers1

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.