+3

I had a Decca navigator on my first yacht in the mid 90's before GPS took over. Got me past Portland Bill in thick fog when we had to hug the coast due to foul tide. That and depth sounder plus radar innocent

Richard

2018 Roadster 3.7
1966 Land Rover S2a 88
2024 Royal Enfield Guerrilla 450
1945 Guzzi Airone