Convoy SC 42
| Convoy | |||||||
|---|---|---|---|---|---|---|---|
| Part of World War II | |||||||
| 
 | |||||||
| Belligerents | |||||||
| Kriegsmarine | Royal Navy Royal Canadian Navy | ||||||
| Commanders and leaders | |||||||
| Admiral Karl Dönitz | Comm: R Adm. WB Mackenzie SOE: Lt.Cmdr. JC Hibbard | ||||||
| Strength | |||||||
| Markgraf group 14 U-boats | 65 merchant ships 4 escorts | ||||||
| Casualties and losses | |||||||
| 2 U-boats sunk 53 killed | 16 merchant ships sunk (68,259 tons) 4 ships damaged (14,132 tons) 276 killed | ||||||
Convoy SC 42 was the 42nd of the numbered series of World War II Slow Convoys of merchant ships from Sydney, Cape Breton Island to Liverpool. SC 42 was attacked over a three night period in September 1941, losing 16 ships sunk and 4 damaged. This was the worst Allied loss following the attack on convoy SC 7 the previous year. Two attacking U-boats were destroyed.