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FIGHTING SHIPS OF THE WORLD
UNITED KINGDOM
ESCORTS
"PC-BOAT" type decoy patrol boats (PC42) (20, 1916 - 1918)


Photo



PC68

Ships


Name No Yard No Builder Laid down Launched Comp Fate
PC42 (Culloden, Mallory)   344 Caird, Greenock 1916 7.6.1917 1917 sold 12.1921
PC43 (Charing, Trego)   345 Caird, Greenock 1916 14.8.1917 1917 sold 1.1923
PC44 (Mortmain, Rolask)   328 Eltringham, Willington Quay 1916 25.4.1917 1917 sold 4.1923
PC51 (Cockelyte, Mopsworth)   211 Tyne Iron Wks, Willington Quay 1916 25.11.1916 1917 sold 1.1923
PC55 (Juggernaut, Methyl), 5.1922- Baluchi (2/1922- RIM)   545 Barclay Curle, Glasgow 1916 5.5.1917 1917 sold 1935
PC56 (Birdwood, Panache)   546 Barclay Curle, Glasgow 1916 2.6.1917 1917 sold 7.1923
PC60 (Burlington, Meredith)     Workman Clark, Belfast 1916 4.6.1917 1917 sold 2.1924
PC61 (Chesney, Downton)     Workman Clark, Belfast 1916 19.6.1917 1917 sold 4.1923
PC62 (Kingsnake, Mornington)   501 Harland & Wolff, Govan 1916 7.6.1917 8.1917 sold 12.1921
PC63 (Orrisroot)   384 Connell, Scotstoun 1916 2.10.1917 12.1917 sold 5.1923
PC65 (Milfoil)   331 Eltringham, Willington Quay 1917 5.9.1917 1917 sold 1.1923
PC66   222 Harkness, Middlesbrough 1917 12.2.1918 1918 sold 7.1923
PC67 (Chintz, Flashlight)   1496 White, Cowes 1917 7.5.1917 6/1917 sold 12.1921
PC68 (Nakerby, Telford)   1497 White, Cowes 1917 29.6.1917 6/1917 sold 12.1921
PC69, 5.1922- Pathan (8/1921- RIM)     Workman Clark, Belfast 1917 11.3.1918 1918 internal explosion 23.6.1940
PC70     Workman Clark, Belfast 1917 12.4.1918 1918 sold 9.1926
PC71   1508 White, Cowes 1917 18.3.1918 5/1918 sold 10.1925
PC72   1509 White, Cowes 1917 8.6.1918 9/1918 sold 10.1925
PC73, 4.1925- Dart   1510 White, Cowes 1917 1.8.1918 10.1918 fishery protection vessel 4.1925, sold 2.1939
PC74   1511 White, Cowes 1917 4.10.1918 12.1918 decoy vessel Chatsgrove 9-10/1939, sold 7.1948


Technical data


Displacement normal, t

PC42 - 63: 682

PC65 - 74: 694

Displacement full, t780
Length, m

75.3

Breadth, m

PC42 - 63: 7.78

PC65 - 74: 8.20

Draught, m

2.44

No of shafts

2

Machinery

2 Parsons or Brown-Curtis steam turbines, 2 Yarrow boilers

Power, h. p.

3500

Max speed, kts

20

Fuel, t

oil 164

Endurance, nm(kts) 
Armament

1 x 1 - 102/40 QF Mk IV, 2 x 1 - 76/40 12pdr 12cwt QF Mk I/II, 2 x 1 - 356 TT, 2 DCR (30)

Complement

50 - 55



Standard scale images


<i>PC69</i> 1918
PC69 1918
<i>PC74</i> 1939
PC74 1939


Graphics


<i>PC68</i>
PC68


Project history

The belief that Q-ships or decoys were the best counter to the U-boat threat led to an Admiralty order in December 1916 to complete 10 P-boats with a mercantile appearance, like the 'Flower-Q's. Although known for a while as PQ-boats the term PC-boat was finally chosen, and a further 10 were ordered, PC65-70 in January 1917 and PC71-74 in June. They were fully integrated in to the Q-ship system and used false names (as shown in the table). There were severe topweight problems in fitting false upperworks and derricks etc to such a small hull, and many had wooden girdling added to improve stability.

Modernizations

1920s, some: + type 112 sonar

1930s, PC74: - 1 x 1 - 76/40, 2 x 1 - 356 TT

1930s, Baluchi, Pathan: - 1 x 1 - 76/40, 2 x 1 - 356 TT, 2 DCR

1940s, PC74: - 1 x 1 - 102/40; + 1 x 1 - 76/40 12pdr 12cwt QF Mk I/II/V, 1 x 1 - 40/39 2pdr QF Mk VIII, 1 x 1 - 20/70 Oerlikon Mk II/IV

1/1946, PC74: 2 x 1 - 76/40 HA/LA Mk IX, 1 x 1 - 40/39 Mk VIII, 1 x 1 - 20/70 Mk III, 2 DCR

Naval service

PC55 was transferred to Royal Indian Marine and commissioned in March 1922 (renamed Baluchi May 1922). PC69 transferred to Royal Indian Marine in August 1921 and renamed Pathan in May 1922; sunk off Bombay by internal explosion 23.6.1940, by another version, she was sunk by Italian submarine Galvani on the approach to Persian gulf. PC74 served in the Second World War as decoy Chatsgrove September-October 1939 then reverted to escort duties.

Many thanks to Wolfgang Stöhr for additional information on this page.