text: **9.**—(1) A member of aircraft crew where they have travelled to the United Kingdom in the 
  course of their work or are otherwise required to travel to the United Kingdom for work purposes. 
  
  (2) For the purposes of this paragraph— 
  
  (a) “member of aircraft crew” means a person who— 
  
  (i) acts as a pilot, flight navigator, flight engineer or flight radiotelephony operator of 
  the aircraft, 
  
  (ii) is carried on the flight deck and is appointed by the operator of the aircraft to give or 
  to supervise the training, experience, practice and periodical tests required for the 
  flight crew under article 114(2) of the Air Navigation Order 2016 or any under 
  Annex III or Annex VI of the Air Operations Regulation, or 
  
  (iii) is carried on the flight for the purpose of performing duties to be assigned by the 
  operator or the pilot in command of the aircraft in the interests of the safety of 
  passengers or of the aircraft; 
  
  (b) travel for work purposes includes, in particular— 
  
  (i) where the member of aircraft crew resides outside the United Kingdom, travelling to 
  the United Kingdom to work on an aircraft departing from the United Kingdom, 
  
  (ii) travelling to attend work-related training in the United Kingdom, 
  (iii) returning to the United Kingdom following work-related training outside the United 