British cargo ship Petrel visited Lisbon, Portugal in June-July 1941

In his letter No. 855 dated Lisbon 8 July 1941 reported the German naval attaché in Portugal to the Oberkommando der Kriegsmarine at Berlin the marine traffic at Lisbon between 29 June-5 July 1941. British cargo ship Petrel. Arrived on 29 June coming from Porto, departed on 3 July towards England. Article 31571. Gross tonnage 1,354 tons. Cargo consisted of general cargo.Loaded general cargo.

Source

Bundesarchive. RM 11-17. German naval attaché in Portugal.