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427th Air Refueling Squadron
Boeing KB-50 refueling a Marine FJ-4B
Active	1956–1963
Country	United States
Branch	United States Air Force
Type	Air Refueling
Insignia
427th Air Refueling Squadron Emblem Approved 4 June 1957

The427th Air Refueling Squadron is an inactiveUnited States Air Force unit. It was last assigned to the4505th Air Refueling Wing atLangley Air Force Base, Virginia, where it was inactivated on 1 April 1963.

Thesquadron was established in 1956 byTactical Air Command (TAC) to provide dedicated in-flightrefueling, initially forF-100 Super Sabres, and later for other air refueling capable TAC fighters and fighter bombers. The 427th was initially equipped withBoeing KB-29M Superfortresses transferred fromStrategic Air Command (SAC). These aircraft were converted frombombers to tankers using a British-developed hose refueling system.

The 427th retired its KB-29s by November 1957, and was fully equipped withBoeing KB-50 tankers by the end of the year. These were existing B-50A, B-50D or RB-50 aircraft with armament removed and equipped with a probe and drogue refueling system installed byHayes Aircraft Corporation, and capable of refueling three fighters at the same time. The squadron began to send KB-50s to be modified to KB-50J configuration. These tankers added aGeneral Electric J47 turbojet engine underneath each wing to increase the speed and altitude capability of the aircraft.^[1]

The unit's KB-50Js proved difficult to maintain to meet operational commitments, and modification of the aircraft to improve them would not be economical in view of their expected service life. Although TAC wanted to replace them withBoeing KC-135 Stratotankers, in 1960 the Air Force announced thatStrategic Air Command (SAC) would become the Air Force's single manager for air refueling. TAC's KB-50s would be phased out by 1964, while SAC would acquire additional KC-135s to support TAC.^[2] In April 1963, the 429th inactivated, and its KB-50Js were sent to theMilitary Aircraft Storage and Disposition Center atDavis–Monthan Air Force Base, Arizona.

• On 8 January 1962 a BKB-50 51-0465 was lost on a flight from Langley AFB, VA to Lajes AFB, Azores. About 1:00 pm a transmission was heard from the aircraft about 240 miles off the East coast. By 7:00 P.m. a search was started for the missing aircraft. An oil slick was found about 300 miles off the US Coast but it is unknown if that came from the missing aircraft^[3]

• Constituted as427th Air Refueling Squadron, Fighter-Bomber on 1 September 1956

Activated on 7 September 1956

Redesignated427th Air Refueling Squadron, Tactical on 1 July 1958

Discontinued and inactivated on 1 April 1963

• Ninth Air Force, 7 September 1956
• Eighteenth Air Force, 1 October 1957
• Twelfth Air Force, 1 January 1958
• 4505th Air Refueling Wing, 1 July 1958 – 1 April 1963 (not operational after 9 January 1963)

• Robins AFB, Georgia, 7 September 1956
• Langley AFB, Virginia, 20 August 1958 – 1 April 1963

• KB-29M Superfortress, 1956–1959
• KB-50/KB-50J Superfortress, 1959–1963

 This article incorporatespublic domain material from the Air Force Historical Research Agency

• Knaack, Marcelle Size (1988).Encyclopedia of US Air Force Aircraft and Missile Systems. Vol. 2, Post-World War II Bombers 1945–1973. Washington, DC: Office of Air Force History.ISBN 0-912799-59-5.

• TacTankers.com – 427th Air Refueling Squadron

• Air refueling squadrons of the United States Air Force
• Military units and formations established in 1956
• Military units and formations disestablished in 1961
• 1956 establishments in Georgia (U.S. state)
• 1961 disestablishments in Virginia

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