Bríomhar-class aircraft carrier: Difference between revisions

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| ''Bríomhar''
| ''Bríomhar''
| "Spirited"
| "Spirited"
| IAF 43
| IAC 43
| HRM Dockyard, Cléire
| HRM Dockyard, Cléire
| 1944
| 1944
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| ''Diaganta''
| ''Diaganta''
| "Devout"
| "Devout"
| IAF 44
| IAC 44
| HRM Dockyard, Cléire
| HRM Dockyard, Cléire
| 1944
| 1944
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| ''Dúthrachtach''
| ''Dúthrachtach''
| "Earnest"
| "Earnest"
| IAF 45
| IAC 45
| HRM Dockyard, Cléire
| HRM Dockyard, Cléire
| 1945
| 1945
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| ''Láidir''
| ''Láidir''
| "Vigorous"
| "Vigorous"
| IAF 46
| IAC 46
| HRM Dockyard, Cléire
| HRM Dockyard, Cléire
| 1945
| 1945
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| ''Iontaofa''
| ''Iontaofa''
| "Dependable"
| "Dependable"
| IAF 47
| IAC 47
| HRM Dockyard, Cléire
| HRM Dockyard, Cléire
| 1946
| 1946
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| ''Rathúil''
| ''Rathúil''
| "Auspicious"
| "Auspicious"
| IAF 48
| IAC 48
| HRM Dockyard, Cléire
| HRM Dockyard, Cléire
| 1946
| 1946

Latest revision as of 08:37, 1 October 2020

USS Coral Sea (CVA-43) underway in February 1960.jpg
Class overview
Name: Bríomhar-class
Operators: Ossoria Royal Ossorian Navy
Preceded by: Doshásta-class
Succeeded by:

Cróga-class (canceled)

Dochreidte-class (actual)
In commission: 1947 - 1977
Planned: 6
Completed: 6
Retired: 6
General characteristics
Type: Aircraft carrier
Displacement: 45,000 t standard
Length: 295 meters
Beam: 41 meters
Draught: 11 meters
Propulsion:
  • 12 × boilers
  • 4 × geared turbines
  • 4 × screws
Speed: 32 kts
Range: 10,000 nm at 16 kts
Complement: 3,600
Sensors and
processing systems:
Armament:
  • 16 × 120 mm/45 caliber dual-purpose guns (8×2)
  • 64 × 40 mm/55 caliber anti-aircraft guns (16×4)
Armor:
  • Belt: 100 mm
  • Deck: 90 mm
  • Bulkhead: 100 mm
Aircraft carried: 96

The Bríomhar-class was a class of six aircraft carriers built for Royal Ossorian Navy starting in 1944. The class comprised of the ships Bríomhar, Diaganta, Dúthrachtach, Láidir, Iontaofa, and Rathúil.

Design

General characteristics

The Bríomhar-class ships had an overall length of 295 m, a beam of 41 m, and a draught of 11 m. She displaced 45,000 t at standard load. Each of the ship's four sets of geared steam turbines drove one 4-bladed propeller and were powered by 12 boilers and were rated at 212,000 shaft horsepower. This gave the Bríomhar-class a speed of approximately 32 knots. She had a range of approximately 10,000 nautical miles at 16 knots.

Flight deck and hangar

The Bríomhar-class ships had a flight deck which was 295 m long. The class was fitted with an enclosed hangar and was outfitted with arrestor gear and two compressed steam catapults. The flight deck was armored, but the hangar armor was eliminated during the design stage. Originally built as straight-deck carriers, the class was refitted with angled flight decks in the 1950s, the first Ossorian carriers to be fitted with this deck arrangement. Two elevators allowed aircraft to be transferred between the hangar and the flight deck. The ships' aircraft capacity was 96 aircraft divided into eight squadrons. The ships' crew totaled 3,600 officers and ratings.

Armament

Like its predecessors in the Misniúil-class and the Doshásta-class, the Bríomhar-class was outfitted with an extremely heavy anti-aircraft battery to compliment its passive armor defenses. To this end, the Bríomhar-class ships were fitted with 16 120 mm dual-purpose guns arrayed in twin mounts around the perimeter of the flight deck, with each gun being provided with 150 rounds. The ships were further armed with an anti-aircraft battery of 64 40 mm anti-aircraft guns in quadruple mounts also positioned around the perimeter of the flight deck.

Ships

Ship Translation Hull Number Builder Laid down Launched Commissioned Fate
Bríomhar "Spirited" IAC 43 HRM Dockyard, Cléire 1944 1945 1947 Decommissioned
Diaganta "Devout" IAC 44 HRM Dockyard, Cléire 1944 1945 1947 Decommissioned
Dúthrachtach "Earnest" IAC 45 HRM Dockyard, Cléire 1945 1946 1948 Decommissioned
Láidir "Vigorous" IAC 46 HRM Dockyard, Cléire 1945 1946 1948 Decommissioned
Iontaofa "Dependable" IAC 47 HRM Dockyard, Cléire 1946 1947 1949 Decommissioned
Rathúil "Auspicious" IAC 48 HRM Dockyard, Cléire 1946 1947 1949 Decommissioned

Bríomhar

Diaganta

Dúthrachtach

Láidir

Iontaofa

Rathúil