Built on a British shipyard, Cammell Laird Shipbuilders Ltd, in 1967, was named Ulster Queen. By design was rolkerom (roll-off ferry with horizontal loading) for the transport of vehicles and passengers, looks very similar to the Salem Express. Ship name changed frequently (bad luck), and in 1986 it was renamed Al Kahera, in 1987 in Ala Eddin, in 1988 Poseidonia and finally, in 2005, Al Kahfain. Vessel length 115m, width 17m, 4m draft. Al Kahfain different from the Salem Express absence bow ramp - entry / exit of vehicles was carried out through the stern. Steam up to 150 cars and 275 passengers. For 2005, the Al Kahfain, as a passenger ferry, was assigned to the Port Jeddah in Saudi Arabia. November 2, 2005 ex-Poseidonia returned from Suez to Jeddah, the ship went without passengers, with a crew of 58 people. In the area of the reef of Abu Nuhas in engine ferry was an explosion, a fire broke out, which is to take control failed. The crew left the ship, which drifted to the north-eastern part of Hyndman Reef (local name Sha'ab Sheer). November 3 Al Kahfain sat on reefs near the port of Safaga, where he eventually rolled over and sank up to the keel depth of 24m.