Aeropro is operating the Beechcraft A100 King Air and it's a PT6A-28 (620shp) powered version (c/n range Beechcraft 100 King Air: B-1 ~ B-89, Beechcraft A100 King Air B-90 ~ B-247). Both 100 and A100 have PT6A-28's. The A100 is and improved version of the 100 model with increased MTOW to 11,500 lb (5,220 kg), fuel capacity increased by 94
US Gallons (357 litres), and four-bladed propellers.
The Beechcraft B100 King Air has Garrett TPE331-6-252B engines of 725shp each and an increased MTOW to 11,800 lb (5,350 kg). (c/n range BE-1 ~ BE-137)
BR,
Robert