Nautical studies for large vessel access at worldwide maximums: Triple E container ships (Port of Valencia) (18,000 TEUs 399 x 59 x 15.5 m), Valemax (Port of Gijón) (400,000 TPM 360 x 65 x 23.0 m), “Oasis of the Seas” cruise ship (Port of Barcelona and Cartagena de Indias) (225,000 TRB 362 x 47 x 9.3 m), Q-Max LNG vessels (Port of Bilbao) (266,000 m3 345-54-12.2 m) and the “Azzam” superyacht (Port Tarraco) (180 x 20.8 x 4.2 m).