Pfeil ("Arrow") was the name given to two separate U-boat "wolfpacks" of Nazi Germany during World War II.
The first wolfpack comprised 11 U-boats and operated from 12 to 22 September 1942. This pack patrolled both sides of the Atlantic Ocean, preying on merchant vessels coming to Europe from the Americas.
Pfeil 1 sank no ships.
The first wolfpack comprised 13 U-boats and operated from 1 to 9 February 1943. This pack patrolled both sides of the Atlantic Ocean, preying on merchant vessels coming to Europe from the Americas.
Pfeil 2 was responsible for the sinking of 11 ships (54,326 GRT), plus one ship damaged (9,272 GRT).