 | | |
| Class | Illustrious | Indomitable |
| Type | Fleet Carrier | Fleet Carrier |
| Year | 1940 | 1941 |
| Crew | 1229-1997 | 1392-2100 |
| Dimensions | ||
| Length | 673 ft (pp) 753 ft | 673 ft (pp) 754 ft |
| Beam | 96 ft | 96 ft |
| Draught | 29 ft | 29 ft |
| Displacement | ||
| Empty | 23,000 t | 23,000 t |
| Loaded | 28,620 t | 29,730 t |
| Performance | ||
| Speed | 31 kt | 31 kt |
| Range | 11,000 nmi @ 14 kn | 11,000 nmi @ 14 kn |
| Machinery | ||
| Shafts | 3 | 3 |
| Turbines | 3 x Geared steam 111,000 hp Parsons | 3 x Geared steam 111,000 hp Parsons |
| Boilers | 6 x Admiralty | 6 x Admiralty |
| Fuel | Oil: 4,840 t | Oil: 4,500 t |
| Armament | ||
| Main | 16 x 4.50-in/45 (8 x 2) QF 4.5-in Mk. III -5° / +80° | 16 x 4.50-in/45 (8 x 2) QF 4.5-in Mk. III -5° / +80° |
| Anti-Aircraft | 48 x 1.6-in (6 x 8) QF 2-pdr Mk. VIII | 48 x 1.6-in (6 x 8) QF 2-pdr Mk. VIII |
| Armor | ||
| Belt | 5 in | 5 in |
| Bulkhead | 3 - 5 in | 2 - 3 in |
| Deck | 3 in | 3 in |
| Hangar | 5 in | 2 in |
| Sensors | ||
| Radar | Type 79 | Type 79 |
| Aircraft | ||
| Aircraft | 33-54 | 45-54 |
| Production | ||
| Built | 3 | 1 |
| Total | 4 |
| Ship | Code | Builder | Laid | Launch | Comm | Decomm | Fate | ||
|
Illustrious | 87 | Vickers-Armstrong | 27/04/1937 | 05/04/1939 | 25/05/1940 | 12/1954 | Sold/Scrapped | |
|
Victorious | 38 | Vickers-Armstrong | 04/05/1937 | 14/11/1939 | 14/05/1941 | 13/03/1968 | Sold/Scrapped | |
|
Formidable | 67 | Harland & Wolff | 17/06/1937 | 17/08/1939 | 24/11/1940 | 12/08/1947 | Sold/Scrapped | |
| Illustrious (Indomitable): | |||||||||
|
Indomitable | 92 | Vickers-Armstrong | 10/11/1937 | 26/03/1940 | 10/10/1941 | 05/10/1953 | Sold/Scrapped | |
