t=torpedoed, s=sunk, †=dead

Blue Ranger and Lacklan were escort oilers.

Horace Bushnell was torpedoed on March 20 by U-995, towed in by Orwell, but became total loss, salvaged post war (6500 tons stores, 5 dead, 64 survived, taken to Murmansk by Orwell, 1 died on board en route). That same day, Thomas Donaldson was sunk by U-968 (7679 tons war materials, 4 dead). Sloop Lapwing was also sunk (U-968, disagreement in sources, some say U-716).

The escorting destroyer Onslaught returned to port after having collided with Blue Ranger while oiling.

Escorts:
March 11-March 21 (close escorts): Corvettes Allington Castle, Alnwick Castle, Bamborough Castle, Lancaster Castle, Camellia, Honeysuckle, Oxlip, destroyers Myngs and Norwegian Stord, sloop Lapwing.
From March 12: Cruiser Diadem, escort carrier Campania and destroyers Onslaught, Opportune, Orwell, Scorpion, Zambesi and Canadian Sioux, corvette Farnham Castle.
From March 15: Escort carrier Trumpeter, destroyers Savage and Scourge.
All ships remained until arrival Kola Inlet, except Lapwing, which was sunk, and Onslaught, which returned after collison.

Related external links:
The attack on Horace Bushnell
The attack on Thomas Donaldson
The attack on Lapwing