Battle of Convoy ONS-5: 1943
The ONS-5 Convoy and U-boat battle By Mike DownesPaper presented to the Company of Master Mariners, Sydney Branch, 24 November 1993, reprinted with permission. The chief ONS-5 adversary was the Type VII U-boat. The most common variant, the Type VIIC, was 67 x 5.85 x 4.37 metres (220 ft x 19 x 14 feet) and […]

