Several French anti-submarine vessels followed the same idea as Britain's wartime Flower-class sloops, and some were direct variations on the British type. Eight sloops went to the Mediterranean, where one was torpedoed by U-35 near Algiers. As British-built and later French classes entered service, the navy could deploy more seaworthy small ships in the Channel. That mattered because earlier torpedo boats and destroyers had been designed around calmer Mediterranean conditions and struggled in northern waters. Wartime procurement was correcting an operating-environment mismatch rather than simply adding hulls to an inventory.
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British-built sloops gave French ASW forces better Channel ships
Flower-class and related sloops helped France move from Mediterranean-sized torpedo craft toward small warships that could sustain anti-submarine work in the Channel.