VALPARAISO, IN, USA
N107JD
DOOLEY, JAMES M VELOCITY
THE PILOT WAS PERFORMING A HIGH SPEED TAXI TEST WHEN THE AMATEUR BUILT AIRPLANE INADVERTENTLY BECAME AIRBORNE. THE PILOT DID NOT UNDERSTAND THE OPERATION OF THE PITCH TRIM SYSTEM, BUT WAS ABLE TO MAINTAIN PITCH CONTROL BY USE OF THE THROTTLE. THE PILOT ATTEMPTED TO MANEUVER THE AIRPLANE FOR A LANDING ON RUNWAY 27, BUT WAS UNABLE TO AVOID IMPACT WITH A LIGHT STANCHION SHORT OF THE RUNWAY AND A HARD LANDING ON TOUCHDOWN.
On September 20, 1994, at 1305 eastern standard time, an amateur built Dooley Velocity, N107JD, experienced a hard landing on the approach to runway 27 (6,000' X 100' dry/asphalt), at Valparaiso, Indiana, following an inadvertent flight while the pilot was making high speed taxi tests. The airplane sustained substantial damage. The pilot reported no injuries. The flight occurred in visual meteorological conditions. No flight plan was on file. The local flight departed at approximately 1300. The pilot stated that while making a high speed taxi test, the airplane became airborne inadvertently. At that point he was unable to reduce the nose up attitude of the airplane and maintained flight by using the throttle. He said that he was able to return for a landing by use of the throttle, but was unable to accurately land the airplane on the runway. The airplane struck a light stanchion short of runway 27. A Federal Aviation Administration inspector examined the airplane subsequent to the accident and found that the pitch trim on the airplane was activated by an electric trim control on the yoke. He found that the trim switch was activated by an on/off switch, likewise located on the yoke. The switch was in the off position. When the inspector asked the pilot what the purpose of the switch was, the pilot was unable to describe accurately the use of the switch.
the pilot-in-command's improper use of the elevator trim. A factor was the pilot-in-command's lack of total experience in type of aircraft.
Source: NTSB Aviation Accident Database
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