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N2058T accident description

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Crash location 41.195833°N, 112.012222°W
Reported location is a long distance from the NTSB's reported nearest city. This often means that the location has a typo, or is incorrect.
Nearest city Ogden, UT
41.223000°N, 111.973830°W
2.7 miles away

Tail number N2058T
Accident date 16 Jul 2002
Aircraft type Wheeler Doug 2000
Additional details: None

NTSB description


On July 16, 2002, approximately 1815 mountain daylight time, a Wheeler Doug 2000 gyrocraft, N2058T, was destroyed when it broke up in-flight and impacted the runway during initial climb after taking off from Ogden-Hinckley Airport, Ogden, Utah. The commercial pilot and a passenger were fatally injured. Day visual meteorological conditions prevailed, and no flight plan had been filed for the personal flight being conducted under Title 14 CFR Part 91. The flight was originating when the accident occurred.

The operator built the gyroplane at the facilities of Industrial Supply, a company that he owned in Ogden. He planned to build additional gyroplanes from kits manufactured by Rotary Air Force, Inc., of Kindersley, Saskatchewan, Canada, and formed another company, High Country Air, Inc., to market them. He contracted with Great Western Aviation, an Ogden flight school, to provide flight instructors who would be trained to fly and give flight instruction in the gyroplane. According to the gyroplane operator, the accident pilot was one of those instructors, and he had given him permission the use the gyroplane for the purpose of flying to a nearby church and dropping candy on children in the parking lot below.

The pilot contacted the Ogden control tower and requested taxi clearance to runway 25 and advised that he had ATIS (Automatic Terminal Information Service) information "Whiskey." Information Whiskey, recorded at 1755, was as follows (in part): wind, 280 degrees at 13 knots, gusts to 23 knots; temperature 31 degrees C.; dew point, 11 degrees C.; altimeter 30.00." The pilot was cleared to taxi to runway 34, and he advised would be departing to the northwest. Takeoff clearance was momentarily withheld due to a landing airplane. Main rotor blade rpm was seen to slow as the pilot waited. After the airplane had landed and exited the runway, the pilot was cleared for takeoff, and was given the latest wind observation: 320 degrees at 16 knots. Main rotor rpm was seen to increase as the gyroplane began its takeoff roll. The tower controller said that shortly after it lifted off, when it was between 200 and 400 feet above the ground and 1,000 feet from the end of the runway, it "appeared to fall apart. Pieces and smoke flew in all directions." The gyroplane "fell straight down, did not appear to spin, just drop straight down." Another witness, standing beside a nearby hangar, saw something fall from the gyrocraft, and then it nosed over and "tumbled" to the ground. There was an explosion and postimpact fire.


The 41-year-old pilot was employed as a part-time flight instructor at Great Western Aviation in Ogden. He held a commercial pilot certificate, dated March 2, 2000, with airplane single/multiengine land and instrument ratings. He also held a flight instructor certificate, dated April 20, 2001, with airplane single/multiengine and instrument ratings. His second class airman medical certificate, dated April 30, 2002, contained a restriction requiring the wearing of corrective lenses.

A portion of the pilot's logbook, containing entries from May 2 to July 15, 2002, was made available for examination. As of the latter date, the pilot had logged the following flight hours:

Total Time: 1,230.5 Pilot-in-Command: 1,059.7 Airplane, Single-Engine, Land: 906.3 Airplane, Multiengine, Land: 300.2 Gyroplane: 30.2 Tail Wheel Airplanes: 44.7 Turboprop: 48.2 Turbojet: 2.6 Actual Instruments: 38.2 Simulated Instruments: 71.3 Instruction Received: 192.3 Instruction Given: 466.8 Cross-Country: 483.6 Night: 60.7

The pilot started taking flight instruction in the RAF 2000 gyroplane on June 7, and soloed on July 3, 2002. On that date, his flight instructor made the following entry in his logbook: "I certify that I have given [the pilot] instruction in the operations in FAR 61.87, and find him competent for solo day flight in an RAF 2000 GTX, with winds less than 15 knots and crosswind component less than 8 knots." He was not rated in gyroplanes, and had not been endorsed to carry passengers. All of the pilot's 30.2 gyroplane hours were accrued in the RAF 2000, of which 13 hours were dual instruction and 17.2 hours were either solo or pilot-in-command. He had also received 9 hours of gyroplane ground instruction.

In the Experimental Operating Limitations issued for the Doug 2000, dated June 26, 2002, limitation 15 required "the pilot in command of this aircraft hold an appropriate category/class rating and type rating per 14 CFR, part 61." The pilot did not hold a gyroplane class rating.


N2058T, a Doug 2000 GTX-FI gyroplane (s/n H2-02-13-535) was assembled from a kit, manufactured by Rotary Air Force, Inc., Kindersley, Saskatchewan, Canada, by Doug Wheeler, Ogden, Utah. Construction was completed on June 25, 2002. It was powered by a 4 cam, 16 valve, Subaru EJ22 "Legacy" automotive engine, rated at 165 horsepower. When construction was completed, the engine had accrued 19.7 "break-in" hours. At the time of the accident, the airframe and engine had accrued 78 and 97.7 hours, respectively.


The following METAR (aviation routine meteorological report) was recorded at Ogden-Hinkley Airport at 1753: sky condition, clear; visibility, (greater than) 10 statute miles; temperature, 32 degrees C.; dew point, 11 degrees C.; wind, 300 degrees at 13 knots, gusting to 23 knots; altimeter, 30.00.


Ogden-Hinckley Airport (OGD) is located 3 miles southwest of the city of Ogden. It is situated at an elevation of 4,470 feet msl and at a location of 41 degrees, 11.75' north latitude, and 112 degrees, 00.73' west longitude. It is served by three runways: 03-21, 07-25, and 16-34 (the accident runway). Runway 16-34 is 5,352 feet long and 150 feet wide, and is made of asphalt.


A FAA aviation safety inspector conducted initial on-scene wreckage examination. Most of the wreckage was in at burnt area about 1,000 feet from the end of runway 34 (see Wreckage Diagram). Permission was given for him to remove the wreckage and transport it to a nearby hangar for storage. The runway was then reopened.

The following day, an exemplar gyroplane was placed next to the wreckage for comparison during the wreckage layout. The rectangular boxed beam tail boom was twisted and severed about 2 feet in front of the vertical stabilizer. The vertical stabilizer leading edge bore chop marks. The rudder was shattered. A diagonal crease mark was noted on the left surface of the vertical stabilizer, running from the upper leading edge to the lower trailing, near the tail wheel. Both rudder cables were severed.

The outboard portions of the four propeller blades were recovered and examined. It was noted that all of the blades had been severed at the same angle. Using the exemplar gyroplane, it was determined that the breaks occurred approximately 10 inches from the blade tip, and 12 inches from the blade hub.

The main rotor blades were examined. Both blades were bent downward at the hub. One rotor blade was severed approximately 7 feet, 11 inches from its tip.


The Utah State Medical Examiner's Officer performed an autopsy (case no. R200201040) and toxicology screen on the pilot. The screen bore no evidence of drugs. FAA's Civil Aeromedical Institute (CAMI) also performed a toxicology screen. According to CAMI's report, no ethanol was detected in vitreous, but 0.065 (ug/ml, ug/g) nordiazepam, 0.152 (ug/ml, ug/g) oxazepam, and 0.144 (ug/ml, ug/g) temazepam were detected in the urine. No benzodiazepines were detected in blood. A cyanide screen was not performed, and the carbon monoxide specimens were unsuitable for analysis.

A CAMI toxicologist said that nordiazepam, oxazepam, and temazepam are metabolites of benzodiazepine. The most common benzodiazepine, Valium, prescribed under the name of Restoril, is a tranquilizer used in the treatment of anxiety, and is contraindicated for flying.


According to an information brochure, the gyroplane was 13.6 feet long, 5 feet wide, and 8.5 feet tall. The main rotor blade --- consisting of an aluminum spar, foam core, and composite skin --- had a span of 30 feet. Blade loading was 1.88 pounds per square foot. The pusher propeller had a diameter of 68 inches. According to the maintenance records, N2058T had a gross weight of 1,500 pounds, and an empty weight of 850 pounds. With two persons aboard, takeoff speed was between 40 and 50 mph. The takeoff roll was between 75 and 350 feet, and climb rate was 1,000 feet per minute.

The following operating limitations and normal procedures were taken from the RAF 2000 Flight Manual:

"ROTOR LIMITATIONS "1. Minimum pre-rotation to 150 RPM before starting takeoff roll, monitor rotor tach RPM



"TAKEOFF 1. Face into wind - hold brakes. 2. Engine speed -1350-1700 RPM. 3. Engage rotor clutch. Control stick forward until 100 rotor RPM. Control stick aft 10 degrees (or halfway) to 125 rotor RPM. Control stick 20 degrees aft (full) until 150-200 rotor RPM. 4. Begin takeoff roll with rotor clutch engaged and 150 RPM or more (ROTOR TACHOMETER READINGS ARE VERY IMPORTANT) gradually roll on engine power with rotor clutch still engaged. Hold rudder to maintain heading. 5. WATCH ROTOR TACH at 18- or 200 RPM disengage rotor clutch and when rotor RPM is at 200 or more increase engine power to full power.

"MAXIMUM DEMONSTRATED CROSSWIND VELOCITY: 1. Takeoff or landing: 20 MPH/90 degrees"


Other than the Federal Aviation Administration, there were no other parties to the investigation.

A written wreckage release was given to the owner on July 17, 2002. Despite repeated requests, the owner failed to sign and return the release or acknowledge receipt of the wreckage.

(c) 2009-2018 Lee C. Baker / Crosswind Software, LLC. For informational purposes only.