One more item about lights. Even though Marcel gave me the sequence for them I didn’t wire them up, I painted the lenses. White/Silver, Orange, Red, Green and using those clear coloured paints often used on model cars.

Managed to source the lights now a company called modelboatbits based in Wales are doing them for me

Sorry I didn't understand the request.
I saw some ready-made lights on Aliexpress and Temu but I don't know if they are the right size. They also seem a bit expensive.
Maybe it's better to buy some LEDs from electronics and make them yourself.
For the wiring, power supply and choice of LEDs, it depends on how bright you want them.

Thank for that I know the lights the ship needs I just need to source them for my models

Hi Pat.

I don't know English well, I use Google translator.
What do you mean by:
"Wanting the lights already in lamps to replace the solid ones,"

How long are these ships in reality?
If it is not more than 25 meters you should put:
A white light at the masthead with a light sector of 225 degrees (centered on the longitudinal line). This light must therefore be seen with the ship in front or from the side but not from behind.
A white light at the stern (lower than the masthead light) with a visibility sector of 135 degrees. The light is visible only from the stern.
A red light to the port side of the ship (roughly in the center) with a light angle of 112.5 degrees (starting from the longitudinal line of the ship). This light is visible from the others only when the ship is sailing to port.
A green light to the starboard side of the ship (roughly in the center) with a light angle of 112.5 degrees (starting from the longitudinal line of the ship). This light is visible from the others only when the ship is sailing to the right.

This configuration is fine as long as your ship is not a fishing boat, a dredger, a pilot ship or a sailing ship, or less than 20 meters.

All lights are fixed.

I would use single LEDs and do the system myself.

Can you post some pictures of the old system to be replaced?

Are the ships the ones in this link?
https://model-boats.com/harbour/151231