I just smashed a Bogue escort carrier using the same method of approach (the 25km circle thing). It worked perfectly again.
Her escorts were very unhappy and bombed the hell out of my decoys but never got a single ping return off of me. Went hard-a-starboard as soon as the tubes were emptied and slowly dived away. They made a bunch of passes directly on top of me (i could hear their props really loud) when I was at 50m but they pinged the decoys and I slipped away without a single dent on U-69. Once again
Bold has saved the day.
25 more seconds to live, fly-boys. Hope you enjoy them.