“Danlayer”的意思、由来-开放百科全书

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Danlayer

释义

List of danlayers
Germany Britain New Zealand
Notes
References

A danlayer was a type of vessel assigned to minesweeping flotillas during and immediately after World War II. They were usually small trawlers, fitted for the purpose of laying dans. A dan is a marker buoy which consists of a long pole moored to the seabed and fitted to float vertically, usually with a coded flag at the top.

Dan laying was an important part of minesweeping, and boats were fitted specifically for this purpose. The task of a danlayer was to follow the minesweepers as they worked an area, and lay the dans which defined the area swept and made it obvious where the clear channels were. This would also help the minesweepers cover areas accurately without gaps and unnecessary overlaps.^[1] A danlayer worked with a minesweeper flotilla when large areas of sea were to be clear-swept.

List of danlayers

Germany

Since Germany had been an exponent of mine warfare since the 1920s, it was natural that the Kriegsmarine used a number of danlayers during World War II. Danlayers of the Kriegsmarine included the following vessels:

The 800-ton, 176-foot B 206 - This vessel was ceded to France in 1946 and outfitted as the surveying vessel Ingenieur-Hydrographe Nicolas
The 120-ton, 82-foot B 253, B 254, B 261, B 262, B 264, B 273 and B 275 - These were ceded to France in 1946 and renamed Rachgoun, Treberon, Tourteau, Cassidaign, Les Madeleines, Habibas and Crabe, respectively. Tourteau and Crabe became surveying tenders, while the others were employed as small harbor transports for naval personnel.
The 600-ton, 180-foot B 281 (formerly the patrol trawler V 204, originally named Zieten) - This vessel was ceded to France in 1946 and renamed Astrolabe as a surveying tender.
The 500-ton, 137-foot B 282 and B 284 (formerly the whalers Treff. 6 and Traff. 2), respectively) - Both were ceded to France in 1946 and renamed Estafette and Sentinelle as surveying tenders.

Britain

Danlayers employed by the Royal Navy during the extensive mine clearance operations following World War II included the following {{sclass2-|Isles|trawler|1}}s.

Hellisay (T391)
Hermetray (T392)
Imersay (J422)
Orsay (J450)
Ronay (J429)
Sandray (J424)
Scaravay (J425)
Sheppey (T292)
Shillay (J426)
Sursay (J427)
Tahay (J452)
Tocogay (J451)
Trodday (J431)
Vaceasay (J432)
Vallay (J434)
Wiay (J441)

Two {{sclass2-|Round Table|trawler|1}}s, Sir Lanceleot (T228) and {{HMS|Sir Galahad|T226|3}} were converted from minesweepers to danlayers prior to the Normandy landings.

In 1944, prior to the Allied invasion of Normandy, the Admiralty-type Motor Mine Sweepers Nos. 141, 142, 238, 239, 240, and 214 were converted to danlayers and redesignated as follows: HMS Burfin, HMS Cottel, HMS Fichot, HMS Jude, HMS Quirpon, HMS St. Barbe, respectively. All were twin-screw, wooden, 105-foot, coastal-minesweeping sloops built by Steers Ltd. at Saint John, New Brunswick, Canada between 1941 and 1943.

New Zealand

Danlayers employed by the Royal New Zealand Navy during World War II

HMNZS Coastguard (T12)
HMNZS Kaiwaka (T14)
HMNZS Nora Niven (T23)
HMNZS Phyllis T22

Notes

1. ^McDougall RJ, New Zealand Naval Vessels, p. 55. Wellington, NZ: Government Printing Office, 1989. {{ISBN|978-0-477-01399-4}}

References

Francis E. McMurtrie and Raymond V.B. Blackman (eds.), Jane's Fighting Ships 1949-50, pp. 63, 193, 194. New York: The McGraw-Hill Book Company, Inc., 1949.
H.T. Lenton and J.J. Colledge, Warships of World War II, pp. 534 & 538, London, UK: Ian Allan Ltd., 1964.

2 : Ship types|Minesweepers

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