Huey History

Bell Helicopters built 10,005 Hueys from 1957 to 1975. Prior to 1957 there were three XH-40 prototypes and six YH-1B test helicopters manufactured. Of the 10,005 production Huey's the first 732 were designated HU-1A and HU-1B. 9,216 of these went to the US Army, 79 to the US Air Force, 42 to the Navy, and 127 to the Marine Corps. The rest went to other countries.

it may help to travel back to the earliest days of powered aviation, to fully understand fixed wing aircraft. The Wright brothers created the first plane which utilized the fixed wing design.

FAA - A History of Aircraft Structures Factoid for Eielson AFB, AK

The airframe of a fixed-wing aircraft consists of five principal units: the fuselage, wings, stabilizers, flight control surfaces, and landing gear. Helicopter airframes consist of the fuselage, main rotor and related gearbox, tail rotor (on helicopters with a single main rotor), and the landing gear.