The crew landed the DC-10 on a closed runway and it impacted construction vehicles during the attempted go-around.
A temporary runway had been set up parallel to the closed runway.
No barriers or markings were put up at the start of the closed runway, which would have alerted the flight crew that they were on the wrong runway.
The other closed runway, 12/30, is much shorter.
The closed runway has occasionally been used as a drag strip.
And he confirmed that concrete blocks on the closed runway were hit by the plane.
A closed runway designated 12/30 is 4,080 by 75 feet (1,244 x 23 m).
The crew of the DC-10 had landed on the wrong runway and the jetliner hit construction vehicles that were on the closed runway.
At a news conference here earlier today, another Taiwanese official sought to clarify conflicting reports about whether the closed runway was lighted, which could have contributed to the crash.
There is also a closed runway located normally to the main runway (14-32).