PAS are not purely 'stuck' flying but are eligible for flying or 'flying related' jobs i.e., ground job that require aircrew skills. So these flying related jobs are many and broad, for example you could be a staff officer at Air Cmd, a tactician in the Air Warfare Centre, a Platform Requirements Manager as part of the Delivery Team or Directing Staff at the Defence Academy to name just a few. So don't get lulled into the 'you'll always be flying' myth, it just means you won't become and IOT Flt Cdr or PSO etc.