The Civil Aviation Authority is finally looking to replace its antique five processor IBM 9020D complex used for controlling air traffic in the UK: the authority is seeking government permission to spend ?22m on a new system, believed to be an IBM 308X complex; IBM UK says it has no knowledge of any order in the offing, and it is possible that the CAA may – as it did last time – buy direct from its US counterpart, the Federal Aviation Administration, which has developed an IBM 3083-based system.