Magnificent 1957
Bonaventure 1960
Bonaventure 1965
| Name | No | Yard No | Builder | Laid down | Launched | Comp | Fate |
| Magnificent | CVL21, 1954- RML21 | Harland & Wolff, Belfast, UK | 29.7.1943 | 16.11.1944 | 21.5.1948 | to UK 6.1957 (Magnificent) | |
| Bonaventure (ex-Powerful) | RML22, 1957- RRSM22, 1960- CVL22 | Harland & Wolff, Belfast, UK | 27.11.1943 | 27.2.1945 | 17.1.1957 | decommissioned 7.1970, BU 1971 |
|
Displacement standard, t |
14000 |
|
Displacement full, t |
17780 |
|
Length, m |
192.0 pp 211.8 oa |
|
Breadth, m |
24.4 |
|
Draught, m |
7.01 deep load |
|
No of shafts |
2 |
|
Machinery |
2 sets Parsons geared steam turbines, 4 Admiralty 3-drum boilers |
|
Power, h. p. |
40000 |
|
Max speed, kts |
25 |
|
Fuel, t |
oil 3000 |
|
Endurance, nm(kts) |
12000(14) |
|
Armament |
CVL21: 19 x 1 - 40/60 Mk 3, 6 x 4 - 40/39 Mk 7, 37 aircraft (Seafire, Firefly, Sea Fury fighters) CVL22: 4 x 2 - 76/50 Mk 33, 4 x 1 - 47/40 Hotchkiss Mk 1, 24 aircraft (F2H-3 Banshee fighters, TBM-3S/W Avenger ASW planes) |
|
Electronic equipment |
CVL21: type 79B, type 281B, 6x type 282 radars, type 144 sonar CVL22: SPS-10, SPS-12, SPS-8, 2x Mk 34 radars |
|
Complement |
CVL21: 1300 CVL22: 1370 |
Aircraft facilities (fd - 5,131m², ha - 2,142m² / 11,355m³): Flight deck: 210.3x24.4m; hangar: 135.6x15.8x 5.3m. Two lifts: 16.5x10.4m, 6.8t. 1 catapult BH-III (6.4t plane was launched at 122 km/h). Aircraft fuel stowage: 341,000l.
| Year | Fighters | ASW planes | Helicopters |
| 1948, Magnificent | ~12 Firefly FR.1/FR.4/AS.5, ~12 Sea Fury F.10/FB.11 | --- | --- |
| 1957, Bonaventure | 16 F2H-3 Banshee | 12 CS-2F Tracker | --- |
| 1963, Bonaventure | --- | 8 CS-2F Tracker | 13 HO4S-3 |
Project history: The former Powerful was modernized between 1952 and 1957 and sold to the Royal Canadian Navy as HMCS Bonaventure. She was completed with an angled deck, but aircraft, radar and armament were supplied from the United States. Although similar to her sisters she had a distinctive appearance, with a tall lattice mast, a raked funnel and a big sponsons for her twin 76mm AA guns.
Protection: There were mantlets around aircraft torpedoes warheads rooms only. Their thickness was 10mm. Longitudinal watertight bulkheads covered the machinery.
Modernizations: 1967, Bonaventure: - 2 x 2 - 76/50, SPS-8, SPS-10, SPS-12, 1x Mk 34 radars; + SPS-501 and one other Dutch radars; HO4S-3 Whirlwind helicopters were replaced by CHSS-2 Sea King ones.
Naval service: No significant events.
Bonaventure 1957
© Ivan Gogin, 2015