New General Purpose Mogami Frigate Royal Australian Navy

Royal Australian Navy
New General Purpose Frigate

new general purpose frigate royal australian navy mogami class 04

08/25

Ships:

upgraded Japanese Mogami class Missile Frigates - 11 units planned
no naming at this time

Specifications:

Builders:
Mitsubishi Heavy Industries (MHI), Nagasaki, Japan (3)
Australian Marine Complex (AMC), Henderson, Western Australia (8)

Displacement: 4,880 tons (standard) / 6,200 tons (full load)
Length: 142 meters (465 feet 11 inches)
Beam: 17 meters (55 ft 9 in)
Draft: ?
Speed: 30+ knots (56+ km/h)
Range: 10,000 NM (19,000 km)
Complement: 90

Propulsion:
CODAG (combined diesel and gas)
1 x gas turbine
2 x diesel engines
2 shafts, 2 controllable pitch propellers

Armament:
Mk.41 Vertical Launching System (VLS) - 32 cells
for a mix of
RIM-66 Standard Missile SM-2MR
RIM-174 Standard Extended Range Active Missile (ERAM)
RIM-162 Evolved Sea Sparrow Missile (ESSM) (4 per cell)

1 x Mk.45 (Mod.4) gun
2 x quad missile launcher for 8 x Naval Strike Missiles (NSM)
2 x twin or triple torpedo tubes for EuroTorp MU90 torpedoes
1 x Mk.15 Mod.31 SeaRAM Close-in Weapon System (CIWS)

Aviation:
flight deck and hangar for 1 x helicopter and/or UAV's

Systems:
?

In February 2024, the Australian Government announced a program to acquire eleven general purpose frigates for the Royal Australian Navy (RAN). These warships arose from the Surface Fleet Review, and along with the significantly larger Hunter class frigates, will replace the Anzac class frigates.

The new general purpose frigates are intended to be 'Tier 2' vessels that are less expensive and capable than the Hunter class frigates and Hobart class destroyers. They will be used to escort other vessels, provide air defence and conduct attacks against surface targets. Four suitable designs were identified by an independent panel with the government selecting a winning design in August 2025, the Japanese Mitsubishi Heavy Industries New FFM (upgraded Mogami class). Contracts will be confirmed and construction of the ships will commence immediately in 2026. The first three of the frigates will be built in Japan with the first ship completed by 2029. The remaining eight ships will be built in Australia at Austal Henderson from 2030.

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