American Flower-class corvette

Last updated

USS Intensity (PG-93).jpg
Class overview
NameFlower class
Operators
Completed10 (original), 15 (modified)
Lostnone during World War II

The American Flower-class corvettes were those ships of the Royal Navy's Flower class built for, or operated by, the United States Navy during World War II. These were ten ships of the original Flower class, known as the Temptress class in US service, and fifteen Modified Flowers, as the Action class. In US service they were classified as Patrol Gunboats (PG).

Contents

Construction history

In December 1941, after the US entry into World War II, the USN had a large building programme for anti-submarine warfare (ASW) ships, but none nearing completion. To overcome this shortfall, the Royal Navy agreed to transfer a number of ASW ships to the USN, including ten Flower-class corvettes. These ships had already been in commission and had seen action during the Battle of the Atlantic. [1]

These ships were classified as Patrol Gunboats, and numbered PG 62 to 71, and were referred to as the Temptress class, after the first ship to be recommissioned.

The USN also placed orders for 15 more Flowers from Canadian shipyards. This was met by transferring a number of vessels on order for the RN to USN. These ships were of the Modified Flower type, a design which consolidated the various modifications developed in the course of building the original Flowers.

In the event the USN only took charge of eight of these ships; the other seven were transferred back to the RN under Lend-Lease arrangements.

The US ships were numbered PG 86 to 100 and were referred to as the Action class.

The Temptress class were armed with a 4-inch gun forward, a 3 in (76 mm)/50 dual-purpose (DP) gun aft, two 20 mm anti-aircraft guns, two depth charge racks, and four depth charge throwers. The Action class replaced the 4-inch gun with another 3-inch/50 cal. DP gun, and added a Hedgehog anti-submarine mortar. [2]

Temptress class

The ten ships of the Temptress class were originally built for the Royal Navy and saw service there before transfer to the USN. [3]

Construction data [4] [5]
USN nameNumberRN namePennantBuilderCompletedTransferredFate
USS TemptressPG-62 HMS Veronica K37 Smiths Dock Co., South Bank-on-Tees 18 Feb 194116 Feb 1942Returned to RN 26 Aug 1945
USS SurprisePG-63 HMS Heliotrope K03 John Crown & Sons Ltd, Sunderland 12 Sept 194024 Mar 1942Returned to RN 26 Aug 1945
USS SpryPG-64 HMS Hibiscus K24 Harland & Wolff Ltd., Belfast 21 May 19402 May 1942Returned to RN 26 Aug 1945
USS SaucyPG-65 HMS Arabis K73 Harland & Wolff Ltd., Belfast 5 Apr 194030 Apr 1942Returned to RN 26 Aug 1945 and recommissioned as Snapdragon
USS RestlessPG-66 HMS Periwinkle K55 Harland & Wolff Ltd., Belfast 8 Apr 194015 Mar 1942Returned to RN 26 Aug 1945
USS ReadyPG-67 HMS Calendula K28 Harland & Wolff Ltd., Belfast 6 May 194012 Mar 1942Returned to RN 23 Aug 1945
USS ImpulsePG-68 HMS Begonia K66 Cook, Welton & Gemmell, Beverley 8 Mar 194110 Mar 1942Returned to RN 22 Aug 1945
USS FuryPG-69 HMS Larkspur K82 Fleming & Ferguson Ltd., Paisley 4 Jan 194117 Mar 1942Returned to RN 22 Aug 1945
USS CouragePG-70 HMS Heartsease K15 Harland & Wolff Ltd., Belfast 4 Jun 19403 Apr 1942Returned to RN 23 Aug 1945
USS TenacityPG-71 HMS Candytuft K09 Grangemouth Dry Dock Co., Grangemouth 16 Oct 19404 Mar 1942Returned to RN 26 Aug 1945

Action class

The fifteen ships of the Action class were originally ordered for the Royal Navy but transferred before completion to the United States Navy. On completion eight entered service with the USN while the other seven were transferred back to the RN under Lend-lease. [6]

Served in USN

Action-class ships transferred to the US Navy [4] [5]
USN nameNumberRN namePennantBuilderCompletedTo USNFate
USS Action PG-86HMS ComfreyK277 Collingwood Shipyards Ltd., Collingwood 22 Nov 194222 Nov 1942Sold 6 Feb 1946
USS Alacrity PG-87HMS CornelK278 Collingwood Shipyards Ltd., Collingwood 10 Dec 194210 Dec 1942Sold 22 Sept 1945
USS Brisk PG-89HMS FlaxK284 Kingston Shipbuilding Co. Ltd., Kingston 6 Dec 19426 Dec 1942Sold 18 Oct 1946
USS Haste PG-92HMS MandrakeK287 Midland Shipyards Ltd., Midland 6 Apr 19436 Apr 1943Sold 1949
USS Intensity PG-93HMS MilfoilK288 Midland Shipyards Ltd., Midland 31 Mar 194331 Mar 1943Sold
USS Might PG-94HMS MuskK289 Midland Shipyards Ltd., Midland 22 Dec 194222 Dec 1942Sold
USS Pert PG-95HMS NepetaK290 Midland Shipyards Ltd., Midland 22 Dec 194222 Dec 1942Sold 18 Oct 1946
USS Prudent PG-96HMS PrivetK291 Midland Shipyards Ltd., Midland 16 Aug 194316 Aug 1943Sold 1949

Transferred to RN

Action-class ships of the US Navy returned to the Royal Navy [4] [5]
USN nameNumberRN namePennantBuilderCompletedTo RNFate
USS BeaconPG-88 HMS Dittany K279 Collingwood Shipyards Ltd., Collingwood 31 May 1943same dayReturned to USN 20 Jun 1946
USS CapricePG-90 HMS Honesty K285 Kingston Shipbuilding Co. Ltd., Kingston 28 Mar 194328 Mar 1943Returned to USN 20 Jun 1946
USS ClashPG-91 HMS Linaria K282 Midland Shipyards Ltd., Midland 19 Jun 194319 Jun 1943Returned to USN 27 Jul 1946
USS SplendorPG-97 HMS Rosebay K286 Collingwood Shipyards Ltd., Collingwood Returned to USN 20 Mar 1946
USS TactPG-98 HMS Smilax K280 Collingwood Shipyards Ltd., Collingwood 21 Jun 194321 Jun 1943Returned to USN 5 Jan 1946
USS VimPG-99 HMS Statice K281 Collingwood Shipyards Ltd., Collingwood 20 Sep 194320 Sep 1943Returned to USN 21 Jun 1946
USS VitalityPG-100 HMS Willowherb K283 Midland Shipyards Ltd., Midland 30 Aug 194330 Aug 1943Returned to USN 11 Jun 1946

Notes

  1. Elliott p. 420
  2. Silverstone, Paul H.(1966): U.S. Warships of World War II. Doubleday and Company, pg. 243-246
  3. Elliott p. 421
  4. 1 2 3 "USN ship index". Dictionary of American Naval Fighting Ships. United States Navy. Archived from the original on 19 August 2000. Retrieved 19 December 2012.
  5. 1 2 3 "NavSource ship index". Service Ship Photo Archive. NavSource Naval History. Retrieved 12 December 2012.
  6. Elliott p. 422

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