Person Who Directs the Route or Course of a Ship
This page is the CodyCross answer for the clue below from London, Group 483, Puzzle 4 (The Great Fire).
Question is: Person Who Directs the Route or Course of a Ship
and the answer is: NAVIGATOR
Word Meaning:
NAVIGATOR — A person who navigates, especially an officer with that responsibility on a ship or an aircrew member with that responsibility on an aircraft.
Definitions from Wiktionary.