CSE Citation Centre (CSE) operates a Mobile Service Unit (MSU) based with its sister company Signature Flight Support providing line maintenance services for a range of aircraft including Cessna Citation and Hawker aircraft at London Luton Airport (LTN/EGGW). The CSE MSU has been operating from Luton for five years, placing engineering capability at the location to meet a changing MRO support profile where mobile service has become more cost efficient for operators.