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Accidents · NTSB WPR11FA333 · Final report

Amateur-built ZENITH STOL CH701 accident near Glendale, Oregon, July 18, 2011

On July 18, 2011, a amateur-built ZENITH STOL CH701, registered N701RD, was substantially damaged in an accident during takeoff near Glendale, Oregon (Nace Family Airstrip airport). It was a personal flight under general aviation rules (Part 91). 2 people were killed. The weather was visual conditions (good weather).

The NTSB's probable cause their words, unchanged

A total loss of engine power due to fuel starvation and the pilot’s subsequent failure to maintain airplane control during the forced landing. Contributing to the accident was the pilot’s failure to ensure that the fuel valves were in the correct position for flight during the preflight inspection.

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

What the record shows

Date
July 18, 2011
Place
Glendale, Oregon · Nace Family Airstrip · map
Type
Accident
Injuries
2 people were killed.
Weather
visual conditions (good weather)
Aircraft
Amateur-built ZENITH STOL CH701
Registration
N701RD · no longer on the register · serial 7-5721
Damage
Substantial damage
Flight
Personal flight · general aviation rules (Part 91)

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

The pilot had been flying in the traffic pattern before landing, shutting down, and subsequently taking on a passenger for a short flight. Witnesses reported that, after takeoff, the airplane reached an altitude of 500 feet and that the engine then sputtered and lost power. The airplane then turned steeply left and descended rapidly. The airplane partially rolled out of the turn, but the descent rate was not arrested, and the airplane subsequently impacted terrain. Witnesses responded to the accident site and heard the fuel pump operating; however, they did not see or smell fuel in the area. The left wing root fuel valve was found in the "off" position, and the right wing root fuel valve was found nearly in the "off" position. A postaccident examination of the airplane revealed that both fuel tanks were nearly full with fuel. However, the fuel hoses removed downstream of the fuel valves were found empty. No evidence was found of a mechanical malfunction or failure with the airframe or engine that would have precluded normal operation. If the pilot had performed a preflight or run-up inspection before takeoff, which would have included checking the fuel valve positions, he might have noted that the fuel valves were in the "off" position. The toxicology results indicated the pilot had used lorazepam (an antianxiety medication); however, due to the low levels detected, it is unlikely that it was impairing at the time of the accident. It could not be determined whether the underlying medical condition caused impairment and contributed to 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. Loss of engine power (partial) during takeoff defining event
  2. Loss of control in flight during emergency descent

The NTSB's findings

  • cause Aircraft › Fluids/misc hardware › Fluids › Fuel › Incorrect use/operation
  • cause Personnel issues › Task performance › Use of equip/info › Aircraft control › Pilot
  • factor Personnel issues › Task performance › Inspection › Preflight inspection › Pilot

Pilot

  • Certificate: private
  • Ratings: single-engine land
  • Medical certificate: None
  • Seat: unk
  • Injury: fatal

The aircraft

  • Last inspection: inspection type not recorded
  • Seats: 2
  • Landing gear: fixed
  • Engine: Rotax SEE BOMBADIER (piston); 0 hours total

The flight

  • Departed from: OG41 Azalea OR
  • Destination: OG41 Azalea OR
  • Flight plan: none
  • Runway 04, 1,330 ft by 30 ft

Weather at the time

  • Light: daylight
  • Wind: from 360° at 4 knots
  • Visibility: 10 statute miles
  • Sky: overcast at 2,800 ft; a few clouds at 2,000 ft
  • Temperature: 64°F (18°C), dew point 55°F (13°C)
  • Altimeter: 29.93 inHg
  • Observation at 11:53 pm from RBG, 30 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.