British merchant ship King Frederick damaged by by enemy aircraft according to the War Cabinet Weekly Résumé No. 45of the Naval, Military and Air Situation 4-12 July 1940

An item reported that on 4 July the British merchant ship King Frederick, tonnage 5,106 tons, was attacked by enemy aircraft causing the next damage: slight leak, compass out of order.

Source

National Archive UK. CAB-66-9-42.