Wolf Glassair IIS accident near Mesa, AZ

On September 18, 2004, a Wolf Glassair IIS (airplane) was involved in an accident near Mesa, AZ. 2 people died. Damage to the aircraft: destroyed.

Date
September 18, 2004
Place
Mesa, AZ
Aircraft
Wolf Glassair IIS · Airplane
Injuries
2 fatal, 0 serious, 0 minor
Damage
Destroyed
Position
33.450°N, 111.717°W
NTSB ID
20040929X01530

NTSB summary

On September 18, 2004, at 0715 mountain standard time, an experimental category Wolf Glassair IIS, N110UX, collided with terrain immediately after takeoff from Falcon Field, Mesa, Arizona. The owner was operating the airplane under the provisions of 14 CFR Part 91. The private pilot and a mechanic/passenger were fatally injured; the airplane was destroyed. Visual meteorological conditions prevailed, and a flight plan had not been filed. Witnesses reported to the National Transportation Safety Board investigator that the airplane took off from runway 04R, was airborne by mid field, and climbed to about 100 feet. After the initial climb it did not appear to be climbing or accelerating normally. Some witnesses reported that the engine did not sound good and described engine noise fluctuations. The airplane then rolled to the left and impacted the ground inverted. Examination of the Falcon Field tower radio communications audio tape recording revealed that the pilot broadcasted "Falcon tower, 110UX, like to return to land, emergency" about 1 minute 40 seconds after he was cleared for takeoff. The tower responded with a clearance to land on any runway. Twenty seconds later the tower broadcasted that an airplane had just crash off the end of the runway. Examination of the airplane's maintenance records revealed that the airplane had undergone its annual inspection at Phoenix Composites, a local fixed base operator (FBO), and the flight was part of a post maintenance check. The work done on the airplane included replacement of the engine driven fuel pump, replacement of the fuel f

Probable cause

a partial loss of power for undetermined reasons, and, the failure of the pilot to maintain an adequate airspeed while maneuvering for a forced landing that resulted in a stall and a collision with terrain.

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