T16, S42, and S82 illustrate Germany's use of letter-and-number designations for torpedo boats. These craft were treated as boats and received numbers rather than individual ship names. S42 is identified as an S7-class boat and S82 as an S66-class boat. The naming system prioritized efficient identification, while the early class groupings were less tidy than later readers might expect.
Notable Point · 8:39-9:32
Why German torpedo boats carried numbers, not names
Designations such as T16, S42, and S82 reflect a service that treated these craft as numbered boats and did not always impose tidy class groupings.