IRIS Sabalan (73)

A starboard quarter view of the Iranian frigate ITS Rostam (DE-73), later renamed IS Sabalan (F-73).
History
Iran
Name	IIS Rostam
Namesake	Rostam
Ordered	1960
Builder	Vickers, High Walker (hull only)[1] Vickers, Barrow
Yard number	190 (High Walker)[1] 1079 (Barrow)
Launched	4 March 1969;[1] 55 years ago.
Commissioned	26 May 1972[1]
Renamed	Sabalan, 1985[1]
Namesake	Sabalan mountain
Recommissioned	1991[2]
Refit	1988–1991
Homeport	Bandar-Abbas
Identification	Pennant number: 73 Code letters: EQAC
Status	in active service
General characteristics
Class and type	Alvand-class frigate
Displacement	1,100 tons (1,540 tons full load)
Length	94.5 m (310 ft)
Beam	11.07 m (36.3 ft)
Draught	3.25 m (10.7 ft)
Propulsion	2 shafts, 2 Paxman Ventura cruising diesels, 3,800 bhp (2,830 kW), 17 knots (31 km/h) 2 Rolls-Royce Olympus TM2 boost gas turbines, 46,000 shp (34,300 kW), 39 knots (72 km/h)
Speed	39 knots (72 km/h) max
Range	5,000 nmi (9,000 km) at 15 knots (28 km/h)
Complement	125-146
Armament	4 (reportedly now 12) × C-802 anti-ship missiles 1 × 4.5 inch (114 mm) Mark 8 gun 1 × twin 35 mm AAA, 2 x single 20 mm AAA 2 × 81 mm mortars 2 × 0.50 cal (12.7 mm) machine guns 1 x Limbo ASW mortar 2 x triple 12.75 in torpedo tubes

Sabalan (Persian: سبلان) is an Alvand-class frigate of the Islamic Republic of Iran Navy. She was launched in 1969.

Commissioned in June 1972 as part of a four-ship order, the Sabalan was originally named IIS Rostam, after Rostam, a legendary hero in the Shahnameh. It was renamed after the Islamic revolution after Sabalan, the Iranian mountain.