HNLMS Piet Hein (F811)

For other ships with the same name, see HNLMS Piet Hein.

HNLMS Piet Hein (F811) (Dutch: Hr.Ms. Piet Hein) was a frigate of the Kortenaer class. The ship was in service with the Royal Netherlands Navy from 1981 to 1998. The frigate was named after Dutch naval hero Piet Pieterszoon Hein. The ship's radio call sign was "PAVM".

Piet Hein at sea
History
Netherlands
Name	Piet Hein
Namesake	Piet Pieterszoon Hein
Builder	KM de Schelde, Vlissingen
Laid down	28 April 1977
Launched	3 June 1978
Commissioned	14 April 1981
Decommissioned	1998
Fate	Sold to United Arab Emirates
United Arab Emirates
Name	Al Emirat
Commissioned	27 June 1998
Decommissioned	2008
Identification	F02
Fate	Rebuilt as yacht
General characteristics
Class and type	Kortenaer-class frigate
Displacement	3,500 long tons (3,600 t) standard 3,800 long tons (3,900 t) full load
Length	130 m (426 ft 6 in)
Beam	14.4 m (47 ft 3 in)
Draft	4.4 m (14 ft 5 in)
Propulsion	Combined gas or gas (COGOG) system: 2 × Rolls-Royce Tyne RM1C gas turbines, 4,900 shp (3,700 kW) each 2 × Rolls-Royce Olympus TM3B gas turbines, 25,700 shp (19,200 kW) each (boost) 2 shafts
Speed	20 knots (37 km/h; 23 mph) cruise 30 knots (56 km/h; 35 mph) maximum
Endurance	4,700 nautical miles at 16 knots (8,700 km at 30 km/h)
Complement	176–196
Armament	2 × OTO-Melara Compatto 76 mm/62 cal. gun 2 × twin Mk46 torpedo tubes 2 × quad RGM-84 Harpoon anti-ship missile launchers 1 × 8-cell Sea Sparrow anti-aircraft missile launchers 1 × Goalkeeper in Dutch service
Aircraft carried	2 × Sea Lynx helicopters (1 in peacetime)

Dutch service history

HNLMS Piet Hein was built at KM de Schelde in Vlissingen. The keel laying took place on 28 April 1977 and the launching on 3 June 1978. The ship was put into service on 14 April 1981.

On 8 February 1982, the ship, with the frigates Tromp, Callenburgh, Van Speijk, the destroyer Overijssel and the replenishment ship Zuiderkruis, departed from Den Helder for a trip to the United States to show the flag and for 200 years diplomatic relations. The ships returned to Den Helder on 19 May 1982.

In 1998 the vessel was decommissioned and was sold to the United Arab Emirates Navy.

United Arab Emirates service history

The ship was commissioned on 27 June 1998 to the United Arab Emirates Navy where the vessel was renamed Al Emirat. Al Emirat was decommissioned in 2008. Construction work started in 2009 to rebuild the ship into a yacht named Yas.