- The Territorial Sea (Limits) Order 1987* [Original: English] 1. This Order may be cited as the Territorial Sea (Limits) Order 1987 and shall come into force on 1 October 1987. 2. The seaward limit of the territorial sea adjacent to the United Kingdom between Point 1 and Point 6 indicated in the Schedule to this Order shall consist of a series of straight lines joining, in the sequence given, Points 1 to 6 indicated in the Schedule to this Order. 3. The seaward limit of the territorial sea adjacent to the United Kingdom shall be the median line where the baselines from which the breadth of the territorial sea adjacent to the United Kingdom is measured are less than 24 nautical miles from the baselines from which the breadth of the territorial sea adjacent to the Isle of Man is measured. 4. In this Order: (a) "Straight line" means a loxodromic line; (b) All positions given by means of co-ordinates are defined on European Datum (1st Adjustment 1950); (C) "Median line&quo...