Article 23 Documents to be carried
(1)
A hovercraft registered in the United Kingdom, or operating unregistered in the United Kingdom in accordance with proviso (i) in Article 4 shall, when in operation, carry the following documents or true copies thereof—
(a)
its Safety Certificate, or Experimental Certificate if any;
(b)
its certificate of registration if any;
(c)
any certificate issued to the hovercraft under Article 17.
(2)
The Safety Certificate and any certificate issued to the hovercraft under Article 17 or true copies thereof shall be posted in some conspicuous place in the hovercraft.