U-43 and U-44 were stationed in the Pentland Firth, which the Grand Fleet was likely to cross leaving Scapa Flow, while the remainder proceeded to the Firth of Forth, awaiting battlecruisers departing Rosyth.
Os U-43 e U-44 foron estacionados en Pentland Firth, por onde a Grand Fleet adoitaba a pasar tras deixar Scapa Flow, mentres que o resto de submarinos dirixíronse cara o fiorde de Forth, agardando aos cruceiros de batalla que saían de Rosyth.