Akademik
U-510 - U-530
U-510
U-511
U-512
U-513
U-514
U-515
U-516
U-517
U-518
U-519
U-52
U-520
U-521
U-522
U-523
U-524
U-525
U-526
U-527
U-528
U-529
U-53
U-530