Revised FLOWER Class

corvette

Revised FLOWER Class
Characteristics:

Original 1940-1941 Revised Programme
Original 1941-42 / 1943-44 / 1943-44 (Increased Endurance) Programmes
Displacement 1,015 tons 970 tons
Dimensions 63.4 x 10.0 x 3.4 meters (208 x 33 x 11 feet)
Propulsion Single shaft;
2 water tube boilers;
 1 4-cyl. triple expansion steam engine, 2750 hp., 16 knots.
Range 3500 nm. at 12 knots 7400 nm. at 10 knots
Crew 90 100
Radar Type 271, SW2C Type 271, SW2C or 2CP
Sonar Type 144
Fire Control
EW none
Armament 1 4" BL Mk.IX single;
1 2 Pdr. Mk.VIII single pom-pom;
2 20mm Oerlikon single;
1 Hedgehog ASW mortar (many);
 4 MK.II depth charge throwers;
2 depth charge rails, 70 depth charges.
1 4" QF Mk.XIX HA/LA single;
1 2 Pdr. Mk.VIII single pom-pom or 2 20mm twin;
2 20mm Oerlikon single;
1 Hedgehog ASW mortar;
4 MK.II depth charge throwers;
2 depth charge rails, 100 depth charges.

Ships:


Name
Pendant
Commissioned
Paid Off
Notes
1940-1941 Revised Programme
CALGARY
K231
16/12/41
19/6/45
 
CHARLOTTETOWN
K244
13/12/41
11/9/42
Sunk 11/9/42
FREDERICTON
K245
8/12/41
14/7/45
 
HALIFAX
K237
26/11/41
12/7/45
Converted to Salvage Vessel
KITCHENER
K225
28/6/42
11/7/45
 
LA MALBAIE
K273
28/4/42
28/6/45
 
PORT ARTHUR
K233
26/5/42
11/7/45
 
REGINA
K234
22/1/42
8/8/44
Sunk 8/8/44
VILLE DE QUEBEC
K242
24/5/42
6/7/45
Panamanian Medex 1946-1952
WOODSTOCK
K238
1/5/42
27/1/45
Honduran Olympic Winner 1948,
Japanese Otori Maru No. 28 1956,
Akitsu Maru 1957-1975
1942-1943 Programme (Increased Endurance)
ATHOLL
K15
14/10/43
17/7/45
 
COBOURG
K333
11/5/44
15/6/45
Camco 1947,
Panamanian Puerto del Sol 1956-1971,
Burned and Sunk 1971
FERGUS
K686
18/11/44
14/7/45
Camco II 1945,
Harcourt Kent 1948-1949,
Wrecked 1949
FRONTENAC
K335
26/10/43
22/7/45
Sold, United Ship Corp.
GUELPH
K687
9/5/44
27/6/45
Panamanian Guelph 1945,
Burfin 1956-1965
HAWKESBURY
K415
14/6/44
10/7/45
Cambodian Campuchea 1950-1956
LINDSAY
K338
15/11/43
18/7/45
North Shore 1946,
Greek Lemnos
LOUISBURG
K401
13/12/43
25/6/45
Dominican JUAN ALAJANDRO ACOSTA 1947-1978
NORSYD
K520
22/12/43
25/6/45
Balboa 1948,
Israeli HAGANAH 1950-1956
NORTH BAY
K339
25/10/43
1/7/45
Bahamian Kent County II 1946
OWEN SOUND
K340
17/11/43
19/7/45
Greek Cadio 1945-1968
RIVIERE DU LOUP
K357
21/11/43
2/7/45
Dominican JUAN BAUTISTA MAGGIOLO 1947-1972
ST LAMBERT
K343
27/5/44
20/7/45
Panamanian Chrysi Hondroulis 1946,
Greek Loula 1955-1958
TRENTONIAN
K368
1/12/43
22/2/45
Sunk 22/2/45
WHITBY
K346
6/6/44
16/7/45
Bengo 1946
1943-1944 Programme (Increased Endurance)
ASBESTOS
K358
16/6/44
8/7/45
 
BEAUHARNOIS
K540
25/9/44
12/7/45
Colon 1946,
Israeli WEDGEWOOD 1950-1956
BELLEVILLE
K332
19/10/44
5/7/45
Dominican JUAN BAUTISTA CAMBIASO 1947-1972
LACHUTE
K440
26/10/44
10/7/45
Dominican COLON 1947-1978
MERRITTONIA
K688
10/11/44
11/7/45
 
PARRY SOUND
K341
30/8/44
10/7/45
Honduran Olympic Champion 1950,
Japanese Otori Maru No. 15 1956,
Kyo Maru No. 22 1961-1978
PETERBOROUGH
K342
1/6/44
19/7/45
Dominican GERARDO JANSEN 1947-1972
SMITHS FALLS
K345
28/11/44
8/7/45
Honduran Olympic Lightning 1950,
Japanese Otori Maru No. 16 1956,
Kyo Maru No. 23 1961-1978
STELLARTON
K457
29/9/44
1/7/45
Chilean CASMA 1946-1969
STRATHROY
K455
20/11/44
12/7/45
Chilean CHIPANA 1946-1969
THORLOCK
K394
13/11/44
15/7/45
Chilean PAPUDO 1946-1967
WEST YORK
K369
6/10/44
9/7/45
SS West York 1945,
Federal Express 1960
1943-1944 Programme (Increased Endurance, Ex-RN)
FOREST HILL
K486
1/12/43
9/7/45
Ex-HMS CEANOTHUS
GIFFARD
K402
10/11/43
5/7/45
Ex-HMS BUDDLEIA
LONG BRANCH
K487
5/1/44
17/6/45
Ex-HMS CANDYTUFT
Rexton Kent II 1947-1966
MIMICO
K485
8/2/44
18/7/45
Ex-HMS BULRUSH
Honduran Olympic Victor 1950,
Japanese Otori Maru No. 12 1956,
Kyo Maru No.25 1962-1978

Notes:

These were the first corvettes laid-down with the extended fo'c's'le (as per the line drawing in the header). They were also built including other improvements, such as better sonar and radar from the outset, Hedgehog and greater depth charge storage, and improved boilers which in some allowed for greater range. Some of these new ships also received the new Mk.XIX gun.

Photos:

Click on a thumbnail for a larger image.

1940-1941 Revised Programme
Notes:
1. CHARLOTTETOWN.  DND photo, courtesy Royal Canadian Legion "White Ensign" Branch.
2. REGINA. DND photo, courtesy Royal Canadian Legion "White Ensign" Branch.
1
2
3
4

Reginar


5
6
7
8





1942-1943 Increased Indurance Programme
Notes:
1. TRENTONIAN.  DND photo, courtesy Royal Canadian Legion "White Ensign" Branch.
1
2
3
4
Trentonian



5
6
7
8





1943-1944 Increased Indurance Programme
Notes:
1. HMCS STELLARTON sits at the front of a long column of laid-up corvettes. Few corvettes saw service with the RCN postwar, although many were sold to foreign Navies and commercial interests. Many were towed and laid up on the St. Lawrence prior to being sold. STELLARTON ended up serving the Chilean Navy until 1969. DND photo, courtesy of Bryan Q.
1
2
3
4
Stellarton


5
6
7
8





1943-1944 Increased Indurance (ex-Royal Navy) Programme
Notes:
1.
1
2
3
4




5
6
7
8





 

Sources:

Barrie, Ron and Macpherson, Ken. (2002). This Ships of Canada's Naval Forces 1910-2002. Vanwell Publishing Ltd. St. Catherines, Ont.

Lynch, Thomas G. (1981). Canada's Flowers - History of the Corvettes of Canada 1939-1945. Nimbus Publishing Ltd. Halifax, NS.

Macpherson, Ken and Milner, Marc. (1993). Corvettes of the Royal Canadian Navy 1939-1945. Vanwell Publishing Ltd. St. Catherines, Ont.

Jane's Fighting Ships, Various Editions 

Correspondence with Dr. Hal Smith (for radar and sonar fits).

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