Andrewsfield Aerodrome is an operational general aviation aerodrome located 4 NM west northwest of Braintree, Essex, England, formerly RAF Andrews Field. Both the grass runways are 18 m wide and at night serve as a single 36 m runway. It has one sock which is of an orange colour. Andrewsfield Aerodrome functions as an important reliever airport for Stansted airport. It has a CAA Ordinary Licence (Number P789) that allows flights for the public transport of passengers or for flying instruction as authorised by the licensee (Andrewsfield Air Operations Limited).