HD Air Ltd
HD Air Limited was a British cargo airline based in Oxfordshire, United Kingdom. It operated contract services for the Royal Mail and other express courier companies, as well as ad hoc freight charters throughout Europe. The main operating bases were Aberdeen Airport, Coventry Airport, Inverness Airport and Luton Airport.
HD Air Limited held a Civil [Aviation Authority |United Kingdom Civil Aviation Authority] Type A Operating Licence, permitting it to carry cargo and mail.