Thames River Bylaws and Signaling

The Port of London Authority’s River Bylaws of 1978 has a wonderfully simple and illustrative guide to signals on the Thames used to indicate movement, purpose, and size. This is Byelaw 27(1)(b) for example: By night a ferry shall carry amidships in addition to sidelights, and the forward and stern lights prescribed by Rule 23(a) … Continue reading Thames River Bylaws and Signaling