Fighting Instructions

The "Fighting Instructions" were a set of British naval code regulations that dictated tactics during the age of fighting sail. These instructions, first issued in 1653, emphasized a rigid columnar formation known as the "line ahead". This formation aimed to concentrate the broadside firepower of ships by having them sail one after another.12

However, these instructions became outdated when facing opponents like the French, who preferred to avoid close-quarters battles. The rigid adherence to the line, enforced by courts-martial, limited tactical flexibility. While the "line ahead" was effective for command and control, it hindered the ability to concentrate force on specific enemy ships. Later, admirals like Richard Kempenfelt and Horatio Nelson introduced more adaptable signaling systems, allowing for greater maneuverability and the breaking of the enemy's line to achieve tactical success.1