Its sort of a huey.
Its a Bell 214 but with 2 GE engines instead of 1 lycoming, and a bunch of fuselage and aerodynamic changes that make it look funky. Its much bigger than a regular 214, seating 16 to 18 passengers. It also can fit either skids or wheels.
Rest of the details can be found here: https://en.wikipedia.org/wiki/Bell_214ST#

