From The Internet Movie Plane Database
The Brantly B-2 was an American two-seat light helicopter, with single main rotor and an anti-torque tail rotor.The B-2A was introduced with a modified cabin, and the B-2B had a larger 180hp fuel-injected engine. The B-2B has a three-blade main rotor and an all-metal fuselage, it can be operated with skid, wheel or float landing gear. Unusually, to save room, the engine is fitted vertically in the fuselage behind the cabin.
This page lists all films that feature a variation of the Brantly B-2.