RMS Olympic Ismay had previously planned to build a ship named "Olympic" as a sister ship to . The senior Ismay died in 1899 and the order for the ship was cancelled. Construction of "Olympic" began three months before "Titanic" to ease pressures on the shipyard. Several years would pass before "Britannic" would be launched. In order to accommodate the construction of the class, Harland and Wolff upgraded their facility in Belfast; the most dramatic change was the combining of three slipways into two larger ones. "Olympic" and "Titanic" were constructed side by side. "Olympic"s keel was laid on 16 December 1908
Azteca-class patrol vessel between perpendiculars. They have a beam of and a draught of . The ships are propelled by two shafts driven by two Ruston Paxman Ventura diesels creating . This gives the vessels a maximum speed of and a range of at . The ships are armed with one 40 mm L70 Bofors DP gun, one 20 mm Oerlikon GAM-B01 cannon and two machine guns. The Azteca class has a complement of 24. Azteca-class patrol vessel The Azteca-class patrol vessel are a class of patrol vessels in service with the Mexican Navy. They were designed and built by the British companies