Three National Transportation Safety Board investigators will be taking the lead on trying to determine why Kamaka Air Flight 689 crashed Tuesday soon after takeoff from Daniel K. Inouye International Airport,

While the rest of the structure sustained minimal impact, the heavily damaged stairwell has complicated efforts to recover aircraft debris.

Heavy smoke was seen near the airport Tuesday afternoon after a Cessna crashed around 3:17 p.m. DOT’s Ed Sniffen said two people aboard a training flight with Kamaka Airlines both died after the plane crashed into a nearby abandoned building on Aolele Street.