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Description

The hull of the "Perseverance" class (also called "Courage" class) follows the hull of the first batch, with a length of 155 meters and a full load displacement of 6,500 tons. Its biggest change is the replacement of the dual-arm general-purpose missile launcher with a dedicated VLS for the "Skyline"-4VL missile, and the replacement of the "Golf" radar and early warning radar combination with the DREG-82A radar.

Air defense capability
The DREG-82A "dome" radar located on top of the mainmast is the ship's primary means of detection. This is an S-band passive phased array radar with mechanical horizontal rotation and vertical electronic scanning. Inside its massive radome, two phased-array transmit antennas are mounted back-to-back and rotate within the dome. This radar is installed at the highest point for greater detection range of sea-skimming targets.
The Skyline-4 VL missile is installed in a dedicated vertical launch system. This dedicated VLS can only fire Skyline missiles. Each unit resembles a revolver magazine, with six missiles per unit. A total of four units, all 24 Skyline missiles.
The number of irradiators is increased to 3, and the time-sharing irradiation technology can be used to guide and attack six targets at the same time.
The two "screen" close-in guns remain unchanged.

Anti-submarine warfare capability
Like the first batch, the ship has towed and hull sonars, and a hangar for two helicopters. However, the "Sea Sword" anti-submarine missile cannot be launched by the VLS; instead, it is launched from two armored launch boxes above the hangar, carrying a total of eight "Sea Sword".

Surface warfare capability
Almost exactly like the first batch. The combination of the "paper cup" radar and the ASCM-B allows the ship to conduct saturation attacks beyond the horizon. ASCM-B has a range of 250 kilometers, a low-altitude ballistic, and a terminal velocity three times the speed of sound.

AS Courage entered service in 1982
AS Unity entered service in 1983

Description

The hull of the "Perseverance" class (also called "Courage" class) follows the hull of the first batch, with a length of 155 meters and a full load displacement of 6,500 tons. Its biggest change is the replacement of the dual-arm general-purpose missile launcher with a dedicated VLS for the "Skyline"-4VL missile, and the replacement of the "Golf" radar and early warning radar combination with the DREG-82A radar.

Air defense capability
The DREG-82A "dome" radar located on top of the mainmast is the ship's primary means of detection. This is an S-band passive phased array radar with mechanical horizontal rotation and vertical electronic scanning. Inside its massive radome, two phased-array transmit antennas are mounted back-to-back and rotate within the dome. This radar is installed at the highest point for greater detection range of sea-skimming targets.
The Skyline-4 VL missile is installed in a dedicated vertical launch system. This dedicated VLS can only fire Skyline missiles. Each unit resembles a revolver magazine, with six missiles per unit. A total of four units, all 24 Skyline missiles.
The number of irradiators is increased to 3, and the time-sharing irradiation technology can be used to guide and attack six targets at the same time.
The two "screen" close-in guns remain unchanged.

Anti-submarine warfare capability
Like the first batch, the ship has towed and hull sonars, and a hangar for two helicopters. However, the "Sea Sword" anti-submarine missile cannot be launched by the VLS; instead, it is launched from two armored launch boxes above the hangar, carrying a total of eight "Sea Sword".

Surface warfare capability
Almost exactly like the first batch. The combination of the "paper cup" radar and the ASCM-B allows the ship to conduct saturation attacks beyond the horizon. ASCM-B has a range of 250 kilometers, a low-altitude ballistic, and a terminal velocity three times the speed of sound.

AS Courage entered service in 1982
AS Unity entered service in 1983