HMS Crusader (H60)

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For other ships of the same name, see HMS Crusader and HMCS Ottawa.
HMS Ottawa (H60).jpg
HMCS Ottawa before 1942
Career (United Kingdom)
Name: HMS Crusader
Ordered: 15 July 1930
Builder: Portsmouth Dockyard
Laid down: 12 September 1930
Launched: 30 September 1931
Completed: 2 May 1932
Identification: Pennant number: H60
Motto: Non nobis Domine
("Not under us, Lord")
Fate: Transferred to the Royal Canadian Navy, 15 June 1938
Badge: On a Field Black, a Shield silver, thereon a cross Red
Career (Canada)
Name: HMCS Ottawa
Namesake: Ottawa River
Commissioned: 15 June 1938
Honours and
awards:
Atlantic, 1939–45
Fate: Sunk by U-91, 14 September 1942
General characteristics
Class & type: C-class destroyer
Displacement: 1,375 long tons (1,397 t) (standard)
1,865 long tons (1,895 t) (deep)
Length: 329 ft (100.3 m) o/a
Beam: 33 ft (10.1 m)
Draught: 12 ft 6 in (3.8 m)
Installed power: 36,000 shp (27,000 kW)
Propulsion: 2 × shafts
2 × Parsons geared steam turbines
3 × Admiralty 3-drum boilers
Speed: 36 knots (67 km/h; 41 mph)
Range: 5,500 nmi (10,200 km; 6,300 mi) at 15 knots (28 km/h; 17 mph)
Complement: 145
Armament: 4 × 1 – QF 4.7-inch Mk IX guns
1 × 1 – QF 3-inch 20 cwt anti-aircraft gun
2 × 1 – QF 2-pounder Mk II AA guns
2 × 4 – 21-inch (533 mm) torpedo tubes
6 × depth charges, 3 chutes

HMS Crusader was a C-class destroyer built for the Royal Navy in the early 1930s. She saw service in the Home and Mediterranean Fleets and spent six months during the Spanish Civil War in late 1936 in Spanish waters, enforcing the arms blockade imposed by Britain and France on both sides of the conflict. Crusader was sold to the Royal Canadian Navy (RCN) in 1938 and renamed HMCS Ottawa. She was initially deployed on the Canadian Pacific Coast before World War II, but was transferred to the Atlantic three months after the war began. She served as a convoy escort during the battle of the Atlantic until sunk by the German submarine U-91 on 14 September 1942. Together with a British destroyer, she sank an Italian submarine in the North Atlantic in November 1941.

Design and construction[edit]

Crusader displaced 1,375 long tons (1,397 t) at standard load and 1,865 long tons (1,895 t) at deep load. The ship had an overall length of 329 feet (100.3 m), a beam of 33 feet (10.1 m) and a draught of 12 feet 6 inches (3.8 m). She was powered by Parsons geared steam turbines, driving two shafts, which developed a total of 36,000 shaft horsepower (27,000 kW) and gave a maximum speed of 36 knots (67 km/h; 41 mph). Steam for the turbines was provided by three Admiralty 3-drum water-tube boilers. Crusader carried a maximum of 473 long tons (481 t) of fuel oil that gave her a range of 5,500 nautical miles (10,200 km; 6,300 mi) at 15 knots (28 km/h; 17 mph). The ship's complement was 145 officers and men.[1]

The ship mounted four 45-calibre 4.7-inch Mk IX guns in single mounts, designated 'A', 'B', 'X', and 'Y' from front to rear. For anti-aircraft (AA) defence, Crusader had a single QF 3-inch 20 cwt[Note 1] AA gun between her funnels, and two 40-millimetre (1.6 in) QF 2-pounder Mk II AA guns mounted on the aft end of her forecastle deck. The 3-inch (76 mm) AA gun was removed in 1936 and the 2-pounders were relocated to between the funnels. She was fitted with two above-water quadruple torpedo tube mounts for 21-inch torpedoes.[2] Three depth-charge chutes were fitted, each with a capacity of two depth charges. After World War II began this was increased to 33 depth charges, delivered by one or two rails and two throwers.[3]

The ship was ordered on 15 July 1930 from Portsmouth Dockyard under the 1929 Naval Programme. Crusader was laid down on 12 September 1930, launched on 30 September 1931,[4] as the second ship to carry the name,[5] and completed on 2 May 1932.[4]

Service history[edit]

Crusader was initially assigned to the 2nd Destroyer Flotilla of Home Fleet and remained with this flotilla for the next four years. She received her first refit at Portsmouth from 30 July to 4 September 1934. Following the Italian invasion of Abyssinia in August 1935, Crusader was sent with the rest of her flotilla to reinforce the Mediterranean Fleet the following month. From October to March 1936 she was deployed in the Red Sea to monitor Italian warship movements. Upon her return in April, the ship was refitted at Portsmouth from 27 April to 30 May. During the beginning of the Spanish Civil War in August–September 1936, the ship evacuated British nationals from Spanish ports on the Bay of Biscay. Crusader was assigned as the plane guard for the aircraft carrier Courageous from January 1937 to March 1938, aside from a brief refit between 30 March and 27 April 1937. The ship began a major refit at Sheerness on 28 April 1938[6] to bring her up to Canadian specifications that included the installation of Type 124 ASDIC.[7]

Transfer to the Royal Canadian Navy[edit]

The ship was purchased for C$817,500 by the Royal Canadian Navy and she was commissioned on 15 June as HMCS Ottawa.[8] The ship was assigned to the Canadian Pacific Coast and arrived at Esquimalt on 7 November 1938.[9] She remained there until she was ordered to Halifax, Nova Scotia on 15 November 1939 where she escorted local convoys, including the convoy carrying half of the 1st Canadian Infantry Division to the UK on 10 December.[10] Ottawa's stern was damaged in a collision with the tugboat Bansurf in April 1940, and repairs took two months to complete.[9]

On 27 August 1940, Ottawa was sailed to Greenock, Scotland, and assigned to the 10th Escort Group[9] of the Western Approaches Command upon her arrival on 4 September for convoy escort duties.[11] In October, the ship's rear torpedo tube mount was exchanged for a 12-pounder AA gun.[9] On 24–26 September, she rescued survivors of two British merchant ships; 55 from SS Sulairia that had been sunk by German submarine U-43 and 60 from SS Eurymedon that had been sunk by U-29. Ottawa assisted the British destroyer Harvester in sinking the Italian submarine Comandante Faà di Bruno on 7 November. By mid-November, Ottawa had been fitted with a Type 286M short-range surface-search radar, adapted from the Royal Air Force's ASV radar. This early model, however, could only scan directly forward and had to be aimed by turning the entire ship. On 23 November, she rescued 29 survivors of the grain carrier SS Bussum which had been sunk by U-100.[12]

HMCS Ottawa with a 12-pounder AA gun in lieu of her rear torpedo tubes and 'Y' gun removed

Ottawa returned to Canada in June 1941 and was assigned to the RCN's Newfoundland Escort Force which covered convoys in the Mid-Atlantic. She was transferred to Escort Group C4 in May 1942.[9] In early September, the ship's captain refused to allow her director-control tower and rangefinder to be removed in exchange for a Type 271 target indication radar. On 14 September, while escorting Convoy ON 127 500 nautical miles (930 km) east of St. John's, Newfoundland, Ottawa was torpedoed by U-91. Ten minutes later, unable to manoeuvre, she was hit by a second torpedo. She sank ten minutes later; 114 crewmen lost their lives, including the commanding officer, while nearby vessels rescued 69 survivors.[13]

The armament changes undergone by the ship during the war are not entirely clear. Photographic evidence shows that four Oerlikon 20 mm AA guns were added, one pair to her searchlight platform and the other pair on the bridge wings, although Ottawa retained her 2-pounder guns even after the Oerlikons were added.[14] 'Y' gun was also removed to allow her depth charge stowage to be increased to at least 60 depth charges.[15]

Trans-Atlantic convoys escorted[edit]

Convoy Escort Group Dates Notes
HX 133 20–27 June 1941[16] Newfoundland to Iceland
SC 46 27 Sep – 5 Oct 1941[17] Newfoundland to Iceland
ON 25 19–24 Oct 1941[18] Iceland to Newfoundland
SC 57 1–9 Dec 1941[17] Newfoundland to Iceland
ON 46 17–20 Dec 1941[18] Iceland to Newfoundland
SC 64 12–20 Jan 1942[17] Newfoundland to Iceland
SC 85 MOEF group C4 31 May – 12 June 1942[17] Newfoundland to Northern Ireland
ON 105 MOEF group C4 20–28 June 1942[18] Northern Ireland to Newfoundland
HX 197 MOEF group C4 9–16 July 1942[16] Newfoundland to Northern Ireland
ON 116 MOEF group C4 26 July – 5 Aug 1942[18] Northern Ireland to Newfoundland
SC 96 MOEF group C4 15–26 Aug 1942[17] Newfoundland to Northern Ireland
Convoy ON 127 MOEF group C4 5–14 Sep 1942[18] Northern Ireland to Newfoundland

Notes[edit]

  1. ^ "cwt" is the abbreviation for hundredweight, 30 cwt referring to the weight of the gun.

Footnotes[edit]

  1. ^ Whitley, p. 26
  2. ^ Lenton, p. 154
  3. ^ Friedman, pp. 209, 236, 298–99
  4. ^ a b English, p. 45
  5. ^ Colledge, p. 75
  6. ^ English, pp. 48–49
  7. ^ Brown, p. 164
  8. ^ "Ship Technical Information". Canadian Navy Heritage Project. Retrieved 2 September 2011. 
  9. ^ a b c d e English, p. 49
  10. ^ Douglas, p. 68
  11. ^ Douglas, p. 108
  12. ^ Douglas, pp. 110–11, 114–15, 118, 122
  13. ^ Douglas, pp. 515, 522, 524
  14. ^ "High resolution pictures of HMCS Ottawa". Canadian Navy Heritage Project. Retrieved 2 September 2011. 
  15. ^ Friedman, p. 237
  16. ^ a b "HX convoys". Andrew Hague Convoy Database. Retrieved 19 June 2011. 
  17. ^ a b c d e "SC convoys". Andrew Hague Convoy Database. Retrieved 19 June 2011. 
  18. ^ a b c d e "ON convoys". Andrew Hague Convoy Database. Retrieved 19 June 2011. 

References[edit]

  • Colledge, J. J.; Warlow, Ben (2006) [1969]. Ships of the Royal Navy: The Complete Record of all Fighting Ships of the Royal Navy (Rev. ed.). London: Chatham Publishing. ISBN 978-1-86176-281-8. OCLC 67375475. 
  • Douglas, W. A. B.; Sarty, Roger; Michael Whitby, Robert H. Caldwell, William Johnston, William G. P. Rawling (2002). No Higher Purpose. The Official Operational History of the Royal Canadian Navy in the Second World War, 1939–1943. 2, pt. 1. St. Catharines, Ontario: Vanwell. ISBN 1-55125-061-6. 
  • English, John (1993). Amazon to Ivanhoe: British Standard Destroyers of the 1930s. Kendal, England: World Ship Society. ISBN 0-905617-64-9. 
  • Friedman, Norman (2009). British Destroyers From Earliest Days to the Second World War. Annapolis, Maryland: Naval Institute Press. ISBN 978-1-59114-081-8. 
  • Lenton, H. T. (1998). British & Commonwealth Warships of the Second World War. Annapolis, Maryland: Naval Institute Press. ISBN 1-55750-048-7. 
  • Rohwer, Jürgen (2005). Chronology of the War at Sea 1939–1945: The Naval History of World War Two (Third Revised ed.). Annapolis, Maryland: Naval Institute Press. ISBN 1-59114-119-2. 
  • Whitley, M. J. (1988). Destroyers of World War 2. Annapolis, Maryland: Naval Institute Press. ISBN 0-87021-326-1. 

External links[edit]