It is being reported to be a 99 B200 tail number n52sz first registered and flown in 2000. It was sold to Beechcraft by it's previous owner. (Sheetz Aviation) . Just left the shop from a Phase 1-4 major inspection. Was in the process of being sold/ferried to Mena for an interior re-fit and paint for the new owners.
The plane lost the left engine on take off, Speculation is engine failed and the prop didn't feather properly causing the pilot to run out of rudder. ( Per a B200 owner and pilot).
The plane hit the aviation safety building cleaning the sim bay. Video from kwch showed a close up into the hole in the building and the second floor was cleaned out about 3/4 of the way through. Witness said the plane went in the building left wing low in a slight nose down pos.
Fire fighters per scanner report 3 dead in sims and 1 on roof. 4 dead, 5 unaccounted for and 4 injured.