The planning rationale for Flower- and Hunt-class orders assumed war from 1942 onward. That date followed the 1932 end of the Ten-Year Rule in the interpretation offered here. Allowing roughly two years for construction and another year for work-up meant ordering light escorts about three years before the anticipated conflict. Apparently late prewar orders could therefore fit the navy's prescribed assumptions. The actual outbreak of war arrived ahead of that timetable, while further Flower orders followed in batches.
Chapter · 23:15-24:36
Flower corvettes followed a mobilization timetable
An expected 1942 conflict, two years of construction, and a year of work-up explain the timetable behind prewar Flower and Hunt orders.