Armstrong Siddeley Viper

Viper
A preserved Rolls-Royce Viper on display at Danmarks Flymuseum
TypeTurbojet
ManufacturerArmstrong Siddeley
Rolls-Royce Limited
First runApril 1951
Major applicationsBAC Jet Provost
HS Dominie
Aermacchi MB-326
Soko J-22 Orao
Developed fromArmstrong Siddeley Adder

The Armstrong Siddeley Viper is a British turbojet engine developed and produced by Armstrong Siddeley and then by its successor companies Bristol Siddeley and Rolls-Royce Limited. It entered service in 1953 and remained in use with the Royal Air Force, powering its Dominie T1 navigation training aircraft, until January 2011.