One hit the engine room and sank the ship in four minutes.
Hit by two torpedoes, the ship sank in eight minutes.
The ship sank in five to ten minutes, killing 343 of the 519 aboard.
The submarine's second target of the day sank in less than two minutes.
One third of the ship was blown away and it sank in three minutes.
A second shot at 02.07 hours broke the ship's back and she sank in seven minutes.
It sank in less than two minutes after one of her magazines exploded.
The ship sank in 40 minutes, 150 miles east of Malta; taking 210 lives.
She sank in eight minutes but her crew was on shore.
The first Louhi sank in two minutes with a loss of 11 lives.