RMS Lusitania by fog. On her second voyage in better weather, "Lusitania" arrived at Sandy Hook on 11 October 1907 in the Blue Riband record time of 4 days, 19 hours and 53 minutes. She had to wait for the tide to enter harbour where news had preceded her and she was met by a fleet of small craft, whistles blaring. "Lusitania" averaged westbound and eastbound. In December 1907, "Mauretania" entered service and took the record for the fastest eastbound crossing. "Lusitania" made her fastest westbound crossing in 1909 after her propellers were changed, averaging . She briefly recovered the record in
Crossing the T a parallel course. However, moving ahead of the enemy line on a perpendicular course (crossing the "T") enables a ship to launch salvos at the same target with both the forward and rear turrets, maximizing the chances for a hit. It also makes ranging errors less critical for the ship doing the crossing, while simultaneously more critical for the ship being crossed. In military terms, this is known as "enfilade fire". The tactic, designed for heavily armed and armoured battleships, was used with varying degrees of success with more lightly armed and armoured cruisers and heavy cruisers. Advances in gun