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|Hide header=
|Hide header=
|Ship country=[[South Africa]]
|Ship country=[[South Africa]]
|Ship flag={{shipboxflag|South Africa|naval-1952}} {{shipboxflag|South Africa|naval-1981}}
|Ship flag={{shipboxflag|South Africa|naval-1952}}
|Ship name=
|Ship name=''President Steyn''
|Ship namesake=[[Martinus Theunis Steyn]]
|Ship namesake=[[Martinus Theunis Steyn]]
|Ship owner=
|Ship operator=
|Ship registry=
|Ship route=
|Ship ordered=
|Ship ordered=
|Ship awarded=
|Ship awarded=
|Ship builder=[[Alexander Stephens and Sons]]
|Ship builder=[[Alexander Stephens and Sons]], [[Linthouse]], [[Glasgow]]
|Ship original cost=
|Ship original cost=
|Ship yard number=
|Ship yard number=
|Ship way number=
|Ship way number=
|Ship laid down=20 April 1960
|Ship laid down=20 May 1960
|Ship launched=23 November 1961
|Ship launched=23 November 1961
|Ship sponsor=
|Ship sponsor=
|Ship christened=''President Steyn'', F147
|Ship christened=
|Ship completed=
|Ship completed=
|Ship acquired=
|Ship commissioned=8 April 1963
|Ship commissioned=8 April 1963
|Ship recommissioned=
|Ship recommissioned=
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|Ship struck=
|Ship struck=
|Ship reinstated=
|Ship reinstated=
|Ship homeport=[[Simonstown]]
|Ship homeport=
|Ship identification=
|Ship identification=[[Pennant number]]: F147
|Ship motto=
|Ship motto=
|Ship nickname='PS'
|Ship nickname='PS'
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|Ship captured=
|Ship captured=
|Ship fate=Sunk as target, 29 April 1991
|Ship fate=Sunk as target, 29 April 1991
|Ship status=
|Ship status=Diveable wreck
|Ship notes=
|Ship notes=
|Ship badge=
|Ship badge=
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{{Infobox ship characteristics
{{Infobox ship characteristics
|Hide header=
|Hide header=
|Header caption=
|Header caption=(as built)
|Ship class=[[Rothesay class frigate|''President''-class frigate]]
|Ship class=[[Rothesay class frigate|''President''-class frigate]]<ref name=ShippingJournal>{{cite journal|title=Shipbuilding and Shipping Record: A Journal of Shipbuilding, Marine Engineering, Docks, Harbours & Shipping|journal=Shipbuilding and Shipping Record: A Journal of Shipbuilding, Marine Engineering, Docks, Harbours & Shipping|date=1962|volume=100|pages=385, 449|url=https://books.google.com/books?id=mOI6AAAAMAAJ|accessdate=14 October 2014}}</ref>
|Ship displacement=*{{convert|2170|LT|t}} ([[Displacement (ship)|standard load]])
|Ship type=
*{{convert|2605|LT|t}} ([[deep load]])
|Ship tonnage=
|Ship length={{Convert|112.78|m|ftin|abbr=on|disp=flip}}
|Ship displacement=2144 tons (2557 tons loaded)
|Ship beam={{Convert|12.5|m|ftin|abbr=on|disp=flip}}
|Ship tons burthen=
|Ship length={{Convert|370|ft|m|abbr=on}}
|Ship draught={{Convert|5.33|m|ftin|abbr=on|disp=flip}} (deep load)
|Ship beam=41 ft (12.5 m)
|Ship power=*2 [[Babcock & Wilcox boiler]]s
*{{Convert|30000|shp|kW|abbr=on|lk=in}}
|Ship height=
|Ship draught=18 ft (5.5 m)
|Ship propulsion=*2 × shafts
*2 × geared [[steam turbines]]
|Ship draft=
|Ship speed={{Convert|30|kn|lk=in}}
|Ship depth=
|Ship range={{Convert|4500|nmi|lk=in|abbr=on}} at {{Convert|12|kn}}
|Ship hold depth=
|Ship decks=
|Ship complement=214
|Ship sensors=*Type 162, 170, 177M [[sonar]]s
|Ship deck clearance=
*Type 293Q surface-search [[radar]]
|Ship ramps=
*[[List of World War II British naval radar#Type 262|Type 262]] and 275 gunnery radars
|Ship ice class=
*Type 277Q [[Height finder|height-finding radar]]
|Ship power=
*Type 978 navigation radar
|Ship propulsion=2 shafts, 2 steam turbines, 2 boilers, 25,000 shp (19 MW)
|Ship armament=*2 × triple [[Limbo (weapon)|Limbo]] [[anti-submarine mortar]]s
|Ship sail plan=
⚫
* 1 × twin [[QF 4.5 inch Mk I – V naval gun|4.5-inch (114&nbsp;mm)]] [[dual-purpose gun]]
|Ship speed=28 [[knot (unit)|knots]] (52 km/h)
|Ship range={{convert|4500|nmi|km|abbr=on}} at 12 knots (22 km/h)
* 1 × twin [[Bofors 40 mm gun|{{convert|40|mm|1|abbr=on}} Bofors]] [[AA gun]]
|Ship endurance=
|Ship test depth=
|Ship boats=
|Ship capacity=
|Ship troops=
|Ship complement=250
|Ship crew=
|Ship time to activate=
|Ship sensors=Sonar, Radar
|Ship EW=
|Ship armament=* [[Limbo (weapon)|Limbo mortar]] (originally 6 barrels, 3 barrels subsequently removed to make space for helicopter deck)
⚫
* 2 twin mount x [[QF 4.5 inch Mk I – V naval gun|4.5 in (114 mm) guns]]
* 2 × [[Bofors 40 mm gun]]s
* 2 × [[Oerlikon 20 mm cannon]]

|Ship armour=
|Ship armor=
|Ship aircraft=1 × [[Westland Wasp]] helicopter
|Ship aircraft facilities=
|Ship notes=
|Ship notes=
}}
}}
|}
|}


The '''SAS ''President Steyn''''' was a [[frigate]] of the [[South African Navy]], withdrawn from service on 1 August 1980.
'''SAS ''President Steyn''''' was the second of three [[Rothesay class frigate|President-class]] [[Type 12 frigate]]s built for the [[South African Navy]] during the 1960s. The ship was withdrawn from service in 1980 and was sunk as a target in 1991.


==History==
== Description ==
The President-class ships displaced {{convert|2170|LT|t}} at [[Displacement (ship)|standard load]] and {{convert|2605|LT|t}} at [[deep load]]. They had an [[length overall|overall length]] of {{convert|370|ft|m|1}}, a [[beam (nautical)|beam]] of {{convert|41|ft|m|1}} and a mean deep [[draft (hull)|draught]] of {{convert|17|ft|6|in|m|1}}.<ref name=DuToit/>{{rp|238}} The ships were powered by a pair of [[English Electric]] geared [[steam turbine]]s, each driving one [[propeller shaft]], using steam provided by two [[Babcock & Wilcox boiler]]s. The turbines developed a total of {{convert|30000|shp|lk=in}} which gave a maximum speed of {{convert|30|kn|lk=in}}.<ref>{{cite book|last=Marriott |first=Leo |date=1983 |title=Royal Navy Frigates 1945-1983|location=Shepperton, Surrey, UK |publisher=Ian Allan |isbn=0-7110-1322-5}}</ref>{{rp|64}} They carried {{convert|309|LT|t}} of [[fuel oil]] that gave them a range of {{convert|4500|nmi|lk=in}} at {{convert|12|kn}}. Their crew numbered 14 officers and 200 [[naval rating|ratings]].<ref name=DuToit/>{{rp|238}}
SAS ''President Steyn'' was one of three [[Rothesay class frigate|''President''-class]] type 12 frigates obtained by the South African Navy in the 1960s following the [[Simonstown Agreement]] with the [[Royal Navy]].


The Presidents were armed with one twin-gun mount for [[QF 4.5 inch Mk I – V naval gun|QF 4.5-inch (114&nbsp;mm) Mk V]] [[dual-purpose gun]]s forward and one twin mount for [[Bofors 40 mm gun|{{convert|40|mm|1|adj=on}} Bofors]] [[anti-aircraft gun|anti-aircraft guns]]. For [[anti-submarine warfare|anti-submarine work]], the ships were fitted with Type 162, 170, and 177M [[sonar]]s for the pair of triple-barrelled [[Limbo (weapon)|Mk 10 Limbo]] [[anti-submarine mortar]]s. They were equipped with a Type 293Q surface-search [[radar]], [[List of World War II British naval radar#Type 262|Type 262]] and 275 gunnery radars, Type 277Q [[Height finder|height-finding radar]] and a Type 978 navigation radar.<ref name=DuToit/>{{rp|220–22, 238}}
She was sunk as a missile target on 29 April 1991.<ref name="DuToit">{{cite book | title=South Africa's Fighting Ships Past and Present | publisher=Ashanti Publishing | author=Du Toit, A | authorlink=Allan du Toit | year=1992 | isbn=1 874800 50 2}}</ref>{{rp|239}}

By the mid-1960s, it was obvious that the sonars of the President class were capable of detecting submarines well outside the range of the Limbo anti-submarine mortars and the South Africans decided to follow the lead of the [[Royal Navy]] in giving them the ability to operate [[helicopter]]s that could carry anti-submarine [[torpedo]]es or [[depth charge]]s to a considerable distance from the ships. Therefore, the forward Limbo mortar was removed and its space was plated over to form a small [[flight deck]]. The Bofors mount, its [[director (military)|director]] and the aft superstructure was replaced by a [[hangar]] for a [[Westland Wasp]] helicopter. Two single Bofors guns were positioned on the hangar roof and provisions were made for four [[M2 Browning|{{convert|0.5|in|mm|1|adj=on}} Browning machine guns]]. A pair of American [[Mark 32 Surface Vessel Torpedo Tubes|{{convert|12.75|in|mm|0|adj=on}} Mk 32 triple-barrelled anti-submarine torpedo tubes]] were added amidships and their electronics were upgraded, including the addition of a [[Thomson-CSF]] Jupiter [[early-warning radar]], a [[Selenia]] Orion [[Ship gun fire-control system|fire-control system]] and Type 182 [[Sonar decoy|torpedo decoy]].<ref name=DuToit/>{{rp|227}}

==Construction and career==
Three ''President''-class frigates were ordered by the South African Navy in the late 1950s following the [[Simonstown Agreement]] with the [[Royal Navy]]. ''President Steyn'' was the middle ship of the three [[sister ship]]s and was [[laid down]] by [[Alexander Stephens and Sons]], at their [[shipyard]] in [[Linthouse]], [[Glasgow]] on 20 May 1960. The ship was [[Ceremonial ship launching|launched]] on 23 November 1961 and completed on 8 April 1963.<ref name=DuToit/>{{rp|239}}

''President Steyn'' was the first of the sisters to be permanently decommissioned on 1 August 1980, after the navy decided to only keep two of them active. She briefly served as a barracks ship before all of the useful equipment and machinery was stripped from her and the navy planned to use her as a target for [[Gabriel (missile)|Skerpioen missiles]] in 1982. However, the accidental sinking of her sister {{SAS|President Kruger|F150|2}} in February 1982 gave the ship a reprieve as she was placed in reserve in case the navy decided to restore her to operational service. Plans to do so were made later in the 1980s, but shortages of money prevent them from being realized. ''President Steyn'' was towed from Simon's Town on 29 April 1991 and sunk by a combination of missile hits and gunfire from the five {{sclass2-|Minister|fast attack craft}} involved in the exercise.<ref name="DuToit">{{cite book|last1=Du Toit|first1=Allan|title=South Africa's Fighting Ships: Past and Present|date=1992|authorlink=Allan du Toit|publisher=Ashanti Publishing|location=Rivonia, South Africa|isbn=1-874800-50-2}}</ref>{{rp|234, 236–39}}


==References==
==References==
{{reflist}}
{{reflist|30em}}

==External links==
*[https://en.wikivoyage.org/wiki/Diving_the_Cape_Peninsula_and_False_Bay/SAS_Bloemfontein Guide to the wreck site on Wikivoyage]


{{Rothesay class frigate}}
{{Rothesay class frigate}}

Revision as of 20:15, 10 November 2016

History
South Africa
NamePresident Steyn
NamesakeMartinus Theunis Steyn
BuilderAlexander Stephens and Sons, Linthouse, Glasgow
Laid down20 May 1960
Launched23 November 1961
Commissioned8 April 1963
IdentificationPennant number: F147
Nickname(s)'PS'
FateSunk as target, 29 April 1991
StatusDiveable wreck
General characteristics (as built)
Class and typePresident-class frigate
Displacement
Length370 ft 0 in (112.78 m)
Beam41 ft 0 in (12.5 m)
Draught17 ft 6 in (5.33 m) (deep load)
Installed power
Propulsion
Speed30 knots (56 km/h; 35 mph)
Range4,500 nmi (8,300 km; 5,200 mi) at 12 knots (22 km/h; 14 mph)
Complement214
Sensors and
processing systems
Armament

SAS President Steyn was the second of three President-class Type 12 frigates built for the South African Navy during the 1960s. The ship was withdrawn from service in 1980 and was sunk as a target in 1991.

Description

The President-class ships displaced 2,170 long tons (2,200 t) at standard load and 2,605 long tons (2,647 t) at deep load. They had an overall length of 370 feet (112.8 m), a beam of 41 feet (12.5 m) and a mean deep draught of 17 feet 6 inches (5.3 m).[1]: 238  The ships were powered by a pair of English Electric geared steam turbines, each driving one propeller shaft, using steam provided by two Babcock & Wilcox boilers. The turbines developed a total of 30,000 shaft horsepower (22,000 kW) which gave a maximum speed of 30 knots (56 km/h; 35 mph).[2]: 64  They carried 309 long tons (314 t) of fuel oil that gave them a range of 4,500 nautical miles (8,300 km; 5,200 mi) at 12 knots (22 km/h; 14 mph). Their crew numbered 14 officers and 200 ratings.[1]: 238 

The Presidents were armed with one twin-gun mount for QF 4.5-inch (114 mm) Mk V dual-purpose guns forward and one twin mount for 40-millimetre (1.6 in) Bofors anti-aircraft guns. For anti-submarine work, the ships were fitted with Type 162, 170, and 177M sonars for the pair of triple-barrelled Mk 10 Limbo anti-submarine mortars. They were equipped with a Type 293Q surface-search radar, Type 262 and 275 gunnery radars, Type 277Q height-finding radar and a Type 978 navigation radar.[1]: 220–22, 238 

By the mid-1960s, it was obvious that the sonars of the President class were capable of detecting submarines well outside the range of the Limbo anti-submarine mortars and the South Africans decided to follow the lead of the Royal Navy in giving them the ability to operate helicopters that could carry anti-submarine torpedoes or depth charges to a considerable distance from the ships. Therefore, the forward Limbo mortar was removed and its space was plated over to form a small flight deck. The Bofors mount, its director and the aft superstructure was replaced by a hangar for a Westland Wasp helicopter. Two single Bofors guns were positioned on the hangar roof and provisions were made for four 0.5-inch (12.7 mm) Browning machine guns. A pair of American 12.75-inch (324 mm) Mk 32 triple-barrelled anti-submarine torpedo tubes were added amidships and their electronics were upgraded, including the addition of a Thomson-CSF Jupiter early-warning radar, a Selenia Orion fire-control system and Type 182 torpedo decoy.[1]: 227 

Construction and career

Three President-class frigates were ordered by the South African Navy in the late 1950s following the Simonstown Agreement with the Royal Navy. President Steyn was the middle ship of the three sister ships and was laid down by Alexander Stephens and Sons, at their shipyard in Linthouse, Glasgow on 20 May 1960. The ship was launched on 23 November 1961 and completed on 8 April 1963.[1]: 239 

President Steyn was the first of the sisters to be permanently decommissioned on 1 August 1980, after the navy decided to only keep two of them active. She briefly served as a barracks ship before all of the useful equipment and machinery was stripped from her and the navy planned to use her as a target for Skerpioen missiles in 1982. However, the accidental sinking of her sister President Kruger in February 1982 gave the ship a reprieve as she was placed in reserve in case the navy decided to restore her to operational service. Plans to do so were made later in the 1980s, but shortages of money prevent them from being realized. President Steyn was towed from Simon's Town on 29 April 1991 and sunk by a combination of missile hits and gunfire from the five Template:Sclass2- involved in the exercise.[1]: 234, 236–39 

References

  1. ^ a b c d e f Du Toit, Allan (1992). South Africa's Fighting Ships: Past and Present. Rivonia, South Africa: Ashanti Publishing. ISBN 1-874800-50-2.
  2. ^ Marriott, Leo (1983). Royal Navy Frigates 1945-1983. Shepperton, Surrey, UK: Ian Allan. ISBN 0-7110-1322-5.

External links

Retrieved from "https://en.wikipedia.org/w/index.php?title=SAS_President_Steyn&oldid=748858934"