KLM uk was the brand name of a British airline subsidiary of KLM, which operated services within the UK and between the UK and the Netherlands using ATR-72, Fokker 50 and Fokker 100 aircraft. KLM uk had its headquarters in the Stansted House on the grounds of London Stansted Airport in Stansted Mountfitchet, Essex.KLM launched the brand name "KLM uk" in 1998, when KLM acquired majority ownership of AirUK, a commuter airline founded in 1980. Air UK began to be traded as KLM uk in January 1998.