The name or designation of the presidential helicopter is "Marine One." This call sign is assigned to any rotary-type aircraft that is piloted by marines and tasked with transporting the president. According to a Federal Aviation document, the president inherits the call sign of the service, plus "One."Know More
As of September of 2014, aviation support for the White House is currently tasked to VMX-1, which is a Marine aviation unit. During the years, many helicopters have been used as presidential transports, which include the Bell UH-1 Huey, Sikorsky CH-3 Sea King, Sikorsky CH-34C Choctaw, Boeing CH-46C Sea Knight, Bell 47-J Sioux and the Sikorsky UH-60 Black Hawk. Alphanumerical designations are modified from "VH" to "CH" to reflect the VIP role of the each aircraft.