text: (i) that the test was a polymerase chain reaction test, or 
  (ii) of the name of the device that was used for the test; 
  
  “transit passenger” means a person who has arrived in the country or territory from which the 
  relevant service departs with the intention of passing through to England without entering that 
  country or territory. 
  
  **Requirement to ensure that certain passengers arrive only at designated ports**
  
  **18.**—(1) An operator must take all reasonable steps to ensure that no Schedule 11 passenger 
  
  arrives on a relevant transport service at a port in England which is not a designated port. 
  
  (2) Paragraph (1) does not apply where, in the case of an aircraft— 
  
  (a) it is necessary for the pilot in command of the aircraft by means of which the transport 
  service is provided to land the aircraft at a place in England other than a designated port 
  to secure— 
  (i) the safety or security of the aircraft, or 
  (ii) the safety of any person aboard the aircraft; 
  
  (b) the aircraft is an air ambulance and it is landing otherwise than at a designated port for the 
  
  purposes of transporting a person for medical treatment; 
  
  (c) the pilot in command of the aircraft is instructed by an authorised person to land the 
  aircraft at a place in England which is not a designated port. 