Ships under the Switzerland flag

36 vessels flying the flag of Switzerland have been caught in Skydex, by 7 spotters. Most of them are tankers. It shows up regularly, without being one of the big open registries. The flag is read off the MMSI the vessel transmits, so it is the registry the ship sails under, not where it was built.

Vessels

Spotters

First caught by ess on 2026-08-03.

In the directory

Questions

How many Switzerland-flagged ships have Skydex players caught?

36 vessels.

How do you know a ship flies the Switzerland flag?

From its MMSI: the first three digits are the Maritime Identification Digits of the country the ship is registered in.