 The B200's airframe was "cleaned up" and more powerful engines (PT6A-60A, rated at ) were installed in redesigned cowlings (known as "pitot cowlings" due to the reshaped engine air intakes), with MTOW increased to .A Model 200 (c/no.BB-343) was modified to develop the updated systems to be used on the new model and flew in this configuration on October 6, 1981.