Still doesn't work. Even within the Constitution-class ships, as we have ships in the 1600s and of course Constellation in the 10s.
I did speculate once that the registry numbers indicated which shipyard/planetary system the ship was built. With the first one or two numbers being the place and the rest of the numbers being the ship built there.
The 17s being built at Sol. The 16s being built elsewhere, such as Vulcan (since USS Intrepid was an all Vulcan crewed ship and she is listed as NCC-1631). The 18s and maybe 19s being built at other yards. By the time they got to the end of the 17s, they needed a new number set of Sol, so Excelsior gets to be the first of the new set built their in the 20s.
Constellation, Republic, and Eagle being built at some more obscure shipyards in the Federation, owing to their low registry numbers.
I did speculate once that the registry numbers indicated which shipyard/planetary system the ship was built. With the first one or two numbers being the place and the rest of the numbers being the ship built there.
The 17s being built at Sol. The 16s being built elsewhere, such as Vulcan (since USS Intrepid was an all Vulcan crewed ship and she is listed as NCC-1631). The 18s and maybe 19s being built at other yards. By the time they got to the end of the 17s, they needed a new number set of Sol, so Excelsior gets to be the first of the new set built their in the 20s.
Constellation, Republic, and Eagle being built at some more obscure shipyards in the Federation, owing to their low registry numbers.
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