1. A person employed in a ship solely in connection with the construction, alteration, repair or testing of the ship, its machinery or equipment, and not engaged in the navigation of the ship;
2. A person solely employed in work directly related to: (i) the exploration of the seabed or sub-soil or the exploitation of their natural resources; (ii) the storage of gas in or under the seabed or the recovery of gas so stored; (iii) the laying, inspection, testing, repair, alteration, renewal or removal of any submarine telegraph cable; or (iv) pipeline works as defined in section 26(2) of the Petroleum and Submarine Pipe-Lines Act 1975 including the assembling, inspection, testing, maintaining, adjusting, repairing, altering, renewing, changing the position of, or dismantling a pipe-line or length of pipe-line, or (v) the provision of goods, personal services or entertainment on board; and who is not employed by the owner or the person employing the master of the ship and is not engaged in the navigation of the ship in the deck, engine room, radio, medical or catering department of that ship and who has been given a written statement by his employer specifying: (aa) the nature of the employment, the remuneration, the intervals at which the remuneration is to be paid and the length of notice which he is required to give and entitled to receive to determine his employment; and (bb) any terms or conditions of his employment relating to sick pay, hours of work (including any terms and conditions relating to normal working hours), pensions and entitlement to holidays; 3. A member of the naval, military or air forces of the Crown or of any service administered by the Defence Council,when acting as such a member.