Southend Airport 73. Mr. Channon asked the Parliamentary Secretary to the Ministry of Civil Aviation whether he will investigate the possibilities of using the Southend Airport as a diversionary airport. Mr. Beswick Southend Airport, like all operational aerodromes in the United Kingdom, is available to suitable aircraft for landings in emergency. The cost involved in equipping and manning the airport for occasional diversions of aircraft on international scheduled services could not be justified.