Accident Overview
The aircraft impacted a construction barricade while taking off from a closed taxiway. The collision resulted in substantial damage to the right main wing spar and the collapse of the main landing gear.
Background
The taxiway was being prepared to serve as a temporary runway during future scheduled maintenance on the airport's main runway. At the time of the accident, the taxiway was closed while it was being painted with temporary runway markings. The main runway remained in use for normal operations.
Sequence of Events
The pilot reported that he mistakenly identified the closed taxiway as the active runway after observing the temporary runway markings. An applicable Notice to Airmen (NOTAM) had been issued specifying that the taxiway was closed. During the takeoff roll, the aircraft struck a construction barricade, causing the main landing gear to collapse and the right main wing spar to sustain substantial damage.
Damage
Substantial damage was sustained by the right main wing spar, and the main landing gear collapsed as a result of the impact with the construction barricade.