USCGC type Patrol Vessels
 
Individual Specifications
Name Pennant USN Name
Banff Y43 USCGC Saranac
Culver Y87 USCGC Mendota
Fishguard Y59 USCGC Tahoe
Gorelston Y92 USCGC Itsaca
Hartland Y00 USCGC Pontchartrain
Landguard Y56 USCGC Shoshone
Lulworth Y60 USCGC Chelan
Sennen Y21 USCGC Champlain
Totland Y88 USCGC Cayuga
Walney Y04 USCGC Sebago

These ships were large, 10 year old USCG cutters, transferred to the RN for patrol duties for which they were very suitable, and also to allow the USCG to replace them with new cutters.
Although they were shorter than contemporary RN sloops, they were deamier and deeper and so were excellent sea-keepers, despite only having a single screw.
The propulsion was novel for the RN, a single turbo-electric system meaning complicated gearing and a long shaft was not needed, and power could be controlled direct from the bridge - very advanced for the time.
In 1942, armament comprised of;
1 x 5" and 3 x 12pdr in Banff, Fishguard and Walney;
1 x 5", 1 x 12pdr and 2 x 2pdr in Gorelston and Landguard;
1 x 4" and 3 x 12pdr in Hartland;
1 x 4" and 1 x 12pdr in all other survivors.
All ships carried four single 0.5" and six single 0.303" machine-guns, SW type 273 and AW type 281 RDF.
In 1943, armamaent was modified to;
4" and not 5" guns, and 20mm and not 0.5" MG guns in Banff and Fishguard;
2 single 2pdr and 4 single 20mm AA as light armament in all the rest apart form Gorleston which carried 0.5" MG and not 20mm AA.

Again in 1945, armament was changed;
to one 4" and one 12pdr in all ships, apart from Fishguard and Gorelston which had a 40mm AA instead of 12 pdr;
two single 2pdr AA in all, 7 to 4 single 20mm AA, 6 single 0.303" MG's and four DC mortars with 100 DC's aft.
They were extremelly active during the war, being large, seaworthy, comfortable and well armed and loved/

Pictures of ex- USCGC type Patrol vessels
HMS Walney at sea, note the 5" guns.
Walney at sea. Note 5"/51 LA gun up for'ard and just abaft the
superstructure

 

Dimensions
Length 250' Beam 42' Draught 16'
Displacement 1546 tons

 

Performance & Propulsion
Propulsion 2 x Babcock & Wilcox boilers,
1 x Curtiss steam turbine @ 4000 shp, driving 1 x GE generator @ 3000 shp,
driving 1 x GE electric motor @ 3350 shp, 1 shaft
Speed 16 knots

 

Armament & Complement
Complement 99 officers & ratings
1942
Banff,
Fishguard
&
Walney
  • Gun
    • 1 x 1 x 5"/51 DP, USN pattern
    • 3 x 1 x 12pdr AA
    • 4 x 1 x 0.5" MG AA
    • 6 x 1 x 0.303" MG AA
  • ASW
    • 2 x DC throwers & rails for 100 DC's
Gorelston &
Landguard
  • Gun
    • 1 x 1 x 5"/51 DP, USN pattern
    • 1 x 1 x 12pdr AA
    • 2 x 1 x 2pdr pom-pom AA
    • 4 x 1 x 0.5" MG AA
    • 6 x 1 x 0.303" MG AA
  • ASW
    • 2 x DC throwers & rails for 100 DC's
Harland
  • Gun
    • 1 x 1 x 4" AA
    • 3 x 1 x 12pdr AA
    • 4 x 1 x 0.5" MG AA
    • 6 x 1 x 0.303" MG AA
  • ASW
    • 2 x DC throwers & rails for 100 DC's
All others
  • Gun
    • 1 x 1 x 4" AA
    • 1 x 1 x 12pdr AA
    • 4 x 1 x 0.5" MG AA
    • 6 x 1 x 0.303" MG AA
  • ASW
    • DC throwers & rails
1943
Banff &
Fishguard
  • Gun
    • 1 x 1 x 4" AA
    • 3 x 1 x 12pdr AA
    • 4 x 1 x 20mm Oerlikon AA
    • 6 x 1 x 0.303" MG AA
  • ASW
    • 2 x DC throwers & rails for 100 DC's
Gorleston
  • Gun
    • 1 x 1 x 4" AA
    • 1 x 1 x 12pdr AA
    • 2 x 1 x 2pdr pom-pom AA
    • 4 x 1 x 0.5" MG AA
    • 6 x 1 x 0.303" MG AA
  • ASW
    • DC throwers & rails
Others
  • Gun
    • 1 x 1 x 4" AA
    • 1 x 1 x 12pdr AA
    • 2 x 1 x 2pdr pom-pom AA
    • 4 x 1 x 20mm OerlikonAA
    • 6 x 1 x 0.303" MG AA
  • ASW
    • DC throwers & rails
1945
Fishguard &
Gorelston
  • Gun
    • 1 x 1 x 4" AA
    • 1 x 1 x 40mm Bofors AA
    • 2 x 1 x 2pdr pom-pom AA
    • 7/6 x 1 x 20mm Oerlikon AA ( see below )
    • 6 x 1 x 0.303" MG AA
  • ASW
    • DC throwers & rails
All others
  • Gun
    • 1 x 1 x 4" AA
    • 1 x 1 x 12pdr AA
    • 2 x 1 x 2pdr pom-pom AA
    • 7 or 4 x 1 x 20mm Oerlikon AA ( see below )
    • 6 x 1 x 0.303" MG AA
  • ASW
    • DC throwers & rails

 
Light AA armament
Banff, Fishguard, Lulworth & Sennen 7 x 1 x 20mm Oerlikon AA
Landguard 6 x 1 x 20mm Oerlikon AA
Gorelston & Totland 4 x 1 x 20mm Oerlikon AA
   
Fates
War Losses
  • Hartland, by Gunfire at Oran, November 1943
  • Walney, by Gunfire at Oran, November 1943
  • Culver, by U-boat, 1942
To USCG
  • Banff, as USCGC Tampa
  • Totland, as USCGC Mocoma
Returned
  • Remainder, 1946
   
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