
1) Archipelago 2) Danish website 3) Shetland 4) Shetland islands
Found on
https://www.crosswordclues.com/clue/zetland

1) Shetland
Found on
https://www.crosswordclues.com/clue/zetland
[lifeboat] The Zetland is the oldest surviving lifeboat in the world. It is currently in a free museum in Redcar. The name Zetland comes from the local Lord of Manor, the Marquess of Zetland. The Zetland is on the National Register of Historic Ships, as part of the National Historic Fleet. The lifeboat was stationed at Redcar in 1802, built...
Found on
http://en.wikipedia.org/wiki/Zetland_(lifeboat)

HMS Zetland was a British No 2 Type Hunt Class destroyer of 1050 tons displacement launched in 1942. HMS Zetland was powered by two Admiralty 3-drum type boilers providing a top speed of 27 knots and carried a complement of 146. She was armed with six 4 inch anti-aircraft guns; one 2 pdr gun and two 20 mm anti-aircraft guns.
Found on
http://www.probertencyclopaedia.com/browse/RZ.HTM
No exact match found.