ORP Grom (1990)

For other ships with the same name, see ORP Grom.

ORP Grom is an Orkan-class fast attack craft. It is the sister ship of Orkan and Piorun.

ORP Grom
History
Poland
Name	ORP Grom
Namesake	ORP Grom, from the Polish word for thunderclap
Laid down	1989
Launched	11 December 1990
Completed	1994
Commissioned	1995
Identification	MMSI number: 261299000 Callsign: SNWJ
Status	In service
General characteristics
Displacement	369 tonnes[1]
Length	48.9 m (160 ft 5 in)
Beam	8.65 m (28 ft 5 in)
Draft	2.15 m (7 ft 1 in)
Propulsion	3 x M520 diesel engines 3 shafts, 3,970 kilowatts (5,320 hp) [2]
Speed	36 knots (67 km/h; 41 mph)
Range	1,620 nautical miles (3,000 km; 1,860 mi) [2]
Complement	33
Armament	8 RBS-15 anti-ship missiles (Often, only 4 are carried) 1 AK–176 M 76.2 mm (3.00 in) gun 1 AK-630 M 30 mm (1.2 in) AA gun 1 Polish made Strzała-2M AA missiles launcher[3]

The ship was the result of a construction project undertaken by the German Democratic Republic for its navy, named Project 660 ("Sassnitz class" in NATO code^[3]). After the unification of Germany the unfinished hulls were bought by the Polish Navy from VEB Peenewerft shipyard in Wolgast and completed in Northern Shipyard in Gdańsk.^[2]

After its completion in 1995 the ship was incorporated into the 31st Rocket Warships Squadron, 3rd Ship Flotilla.^{[citation needed]}