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FIGHTING SHIPS OF THE WORLD
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YARRA frigates (1961)
Photo
Yarra 1980
Ships
| Name | No | Yard No | Builder | Laid down | Launched | Comp | Fate |
|---|---|---|---|---|---|---|---|
| Yarra | F07, 1969- 45 | Williamstown DYd | 9.4.1957 | 30.9.1958 | 27.7.1961 | decommissioned 11.1985, BU 1985 | |
| Parramatta | F05, 1969- 46 | Cockatoo I DYd | 3.1.1957 | 31.1.1959 | 4.7.1961 | decommissioned 11.1991, BU 1991 |
Technical data
| Displacement standard, t | 2150 |
|---|---|
| Displacement full, t | 2560 |
| Length, m | 109.7 pp 112.7 oa |
| Breadth, m | 12.5 |
| Draught, m | 3.90 max |
| No of shafts | 2 |
| Machinery | 2 sets Yarrow geared steam turbines, 2 Babcock & Wilcox boilers |
| Power, h. p. | 30000 |
| Max speed, kts | 29 |
| Fuel, t | oil 370 |
| Endurance, nm(kts) | 4500(12) |
| Armament | 1 x 2 - 120/45 Mk 6, 1 x 2 - 40/60 STAAG Mk 2, 2 x 3 - 305 Limbo Mk 10 ASWRL |
| Electronic equipment | type 275, type 262, type 293, type 277, type 978, LW-02 radars, type 162, type 170, type 177M, type 185 sonars |
| Complement | 152 - 231 |
Graphics
Yarra 1980
Project history
In August 1950 plans for six Type 12 frigates were announced, but subsequently the number was cut to four; No 5 and No 6 were later reordered to a modified design. They incorporated all the improvements of the RN Rothesay class, and in addition had MRS 3 fire control and Dutch Signaal LW-02 air warning radar. The second pair had the forecastle deck extended aft to the stern, providing additional accommodation. Stuart was the first to be fitted with the Ikara ASW system, which replaced one of the Limbo Mk 10 mortars aft, and Derwent was the first RAN ship to receive the Seacat GWS22 missile system in lieu of the twin 40mm Bofors.
Modernizations
1964?, Parramatta; 1967, Yarra: - 1 x 2 - 40/60, 1 x 3 - 305 Limbo ASWRL, type 262 radar; + 1 x 4 Seacat GWS22 SAM (24 Seacat), 1 x 1 Ikara ASuM (30 Ikara), type 904 radar
1975, Yarra: - type 170, type 177M sonars; + Mulloka sonar
1977, Yarra: - 1 x 3 - 305 Limbo ASWRL, type 293, type 904 radars; + helicopter deck, SPS-55, WM-22 radars
1981, Parramatta: - 1 x 3 - 305 Limbo ASWRL, type 293, type 904 radars, type 170, type 177M sonars; + 2 x 3 - 324 TT, SPS-55, WM-22 radars, Mulloka sonar
Naval service
No significant events.
