Remote Radar Head Buchan or RRH Buchan is an air defence radar station operated by the

Royal Air Force The Royal Air Force (RAF) is the Air force, air and space force of the United Kingdom, British Overseas Territories and Crown Dependencies. It was formed towards the end of the World War I, First World War on 1 April 1918, on the merger of t ...

. It is located at Stirling Hill, south of

Peterhead Peterhead (; , ) is a town in Aberdeenshire, Scotland. It is the council area's largest settlement, with a population of 19,060 at the 2022 Census for Scotland, 2022 Census. It is the largest fishing port in the United Kingdom for total landi ...

on the

Aberdeenshire Aberdeenshire (; ) is one of the 32 Subdivisions of Scotland#council areas of Scotland, council areas of Scotland. It takes its name from the Shires of Scotland, historic county of Aberdeenshire (historic), Aberdeenshire, which had substantial ...

coast of northeast Scotland. The unit is based at the operations site of the former RAF Buchan which was downgraded from an RAF station to a remote radar head (RRH) in September 2004.

History

RAF Buchan

RAF Buchan opened in 1952 as an Air Defence Radar Unit. As part of the UK Air Surveillance and Control System, the station was one of two

Control and Reporting Centre A Control and Reporting Centre (CRC) is according to the Joint Chiefs of Staff publication 1.02 defined as: "A subordinated air control element of the tactical air control centre for which radar control and warning operations are conducted within ...

s (CRC) which monitored air traffic in and around UK airspace. RAF Buchan was parent station to remote radar heads at

Saxa Vord Unst (; ) is one of the North Isles of the Shetland Islands, Scotland. It is the northernmost of the inhabited British Isles and is the third-largest island in Shetland after Shetland Mainland, Mainland and Yell (island), Yell. It has an area o ...

and

Benbecula Benbecula ( ; or ) is an island of the Outer Hebrides in the Atlantic Ocean off the west coast of Scotland. In the 2011 census, it had a resident population of 1,283 with a sizable percentage of Roman Catholics. It is in a zone administered by ...

. In 1979 operations moved into interim facilities above ground whilst the 'R3' underground operations block was refitted as an 'R3A', this involved the excavation of one side of the 'R3' and an auxiliary bunker was constructed alongside to provide secure facilities for stand by generators, power cleaning and air filtration. The equipment used included the GL-161 computer system.

Control and Reporting Centre

Following the collapse of the

Warsaw Pact The Warsaw Pact (WP), formally the Treaty of Friendship, Co-operation and Mutual Assistance (TFCMA), was a Collective security#Collective defense, collective defense treaty signed in Warsaw, Polish People's Republic, Poland, between the Sovi ...

in 1991, Buchan became a

(CRC), part of the UK Air Surveillance and Control System (UKASACS). Buchan was responsible for UK airspace north of

Newcastle Newcastle usually refers to: *Newcastle upon Tyne, a city and metropolitan borough in Tyne and Wear, England, United Kingdom *Newcastle-under-Lyme, a town in Staffordshire, England, United Kingdom *Newcastle, New South Wales, a metropolitan area ...

, working closely with counterparts in

Scandinavia Scandinavia is a subregion#Europe, subregion of northern Europe, with strong historical, cultural, and linguistic ties between its constituent peoples. ''Scandinavia'' most commonly refers to Denmark, Norway, and Sweden. It can sometimes also ...

n countries. The southern CRC was located at

RAF Neatishead Remote Radar Head Neatishead ( ), and commonly abbreviated RRH Neatishead, is an air defence radar site operated by the Royal Air Force (RAF). It is located approximately north-east of Norwich in the county of Norfolk, England. Originally kno ...

Norfolk Norfolk ( ) is a Ceremonial counties of England, ceremonial county in England, located in East Anglia and officially part of the East of England region. It borders Lincolnshire and The Wash to the north-west, the North Sea to the north and eas ...

. Around the same time, Buchan became parent station for

RAF Saxa Vord Remote Radar Head Saxa Vord or RRH Saxa Vord (aka RAF Saxa Vord), is a Royal Air Force radar station located on the island of Unst, the most northern of the Shetland Islands in Scotland. As of July 2019 it is once more a fully operational radar ...

Shetland Shetland (until 1975 spelled Zetland), also called the Shetland Islands, is an archipelago in Scotland lying between Orkney, the Faroe Islands, and Norway, marking the northernmost region of the United Kingdom. The islands lie about to the ...

(91 Signals Unit) and RAF Benbecula (71 Signals Unit) in the

Outer Hebrides The Outer Hebrides ( ) or Western Isles ( , or ), sometimes known as the Long Isle or Long Island (), is an Archipelago, island chain off the west coast of mainland Scotland. It is the longest archipelago in the British Isles. The islan ...

, both of which were downgraded to reporting posts which feed data into the UKASACS. Together, the two CRCs processed information which was provided continuously by reporting posts and civilian radars, producing an overview of all aircraft operating within UK airspace, known as the Recognised Air Picture (RAP). Information would also be communicated via digital data-links to neighbouring

NATO The North Atlantic Treaty Organization (NATO ; , OTAN), also called the North Atlantic Alliance, is an intergovernmental organization, intergovernmental Transnationalism, transnational military alliance of 32 Member states of NATO, member s ...

countries,

Airborne Early Warning An airborne early warning and control (AEW&C) system is an airborne radar early warning system designed to detect aircraft, ships, vehicles, missiles and other incoming projectiles at long ranges, as well as performing command and control of t ...

(AEW) & other aircraft, ground units and ships. Fighter controllers at Buchan also provided tactical control of air-defence aircraft during peacetime

Quick Reaction Alert Quick Reaction Alert (QRA) is state of Combat readiness, readiness and ''modus operandi'' of Anti-aircraft warfare, air defence maintained at all hours of the day by NATO air forces. The United States usually refers to Quick Reaction Alert as 'Ai ...

(QRA) interceptions, during training and in the event of war. In 1994 Buchan was home to Nos 170 and 487 Signals Unit and the CRC.

RRH Buchan

In May 2000 the

Ministry of Defence A ministry of defence or defense (see American and British English spelling differences#-ce.2C -se, spelling differences), also known as a department of defence or defense, is the part of a government responsible for matters of defence and Mi ...

announced the downgrading of RAF Buchan from a manned station to a remote radar head, and that

RAF Boulmer Royal Air Force Boulmer or more simply RAF Boulmer is a Royal Air Force station near Alnwick in Northumberland, England, and is home to Aerospace Surveillance and Control System (ASACS) Force Command, Control and Reporting Centre (CRC) Boulmer ...

Northumberland Northumberland ( ) is a ceremonial counties of England, ceremonial county in North East England, on the Anglo-Scottish border, border with Scotland. It is bordered by the North Sea to the east, Tyne and Wear and County Durham to the south, Cumb ...

and

in Norfolk, would continue to operate the surveillance and control system. The measure resulted in the loss of 55 civilian jobs and the transfer of over 200 RAF personnel. Around 92 military and civilian personnel were expected to remain to operate the remote radar head. The radar unit ceased to be a RAF station on 1 September 2004 and the operational part of the station became Remote Radar Head Buchan. The separate domestic accommodation site located in Boddam was sold by the Ministry of Defence to a private developer in 2012. Buchan's Type T92(B3) radar (more widely known out-with RAF service as the

Lockheed Martin The Lockheed Martin Corporation is an American Arms industry, defense and aerospace manufacturer with worldwide interests. It was formed by the merger of Lockheed Corporation with Martin Marietta on March 15, 1995. It is headquartered in North ...

AN/FPS-117 The AN/FPS-117 is an L-band active electronically scanned array (AESA) 3-dimensional air search radar first produced by GE Aerospace in 1980 and now part of Lockheed Martin. The system offers instrumented detection at ranges on the order of and ...

) was replaced in 2015 with a new Lockheed Martin AN/TPS-77 system. The new radar was funded by

wind farm A wind farm, also called a wind park or wind power plant, is a group of wind turbines in the same location used to produce electricity. Wind farms vary in size from a small number of turbines to several hundred wind turbines covering an exten ...

developers and was installed in order to help reduce the impact of

interference Interference is the act of interfering, invading, or poaching. Interference may also refer to: Communications * Interference (communication), anything which alters, modifies, or disrupts a message * Adjacent-channel interference, caused by extra ...

from wind turbines. In 2017 the unit's

radome A radome (a portmanteau of "radar" and "dome") is a structural, weatherproof enclosure that protects a radar antenna (radio), antenna. The radome is constructed of material transparent to radio waves. Radomes protect the antenna from weathe ...

was replaced over a six-week period, the existing enclosure having been installed in 1984. As part of a major upgrade of Remote Radar Head sites around the United Kingdom, the Ministry of Defence began a programme entitled HYDRA in 2020 to install new communications buildings, radar towers and perimeter security.

Operations

RRH Buchan operates a Lockheed Martin AN/TPS-77 long-range surveillance radar. It collects data as part of the UK Air Surveillance And Control System (ASACS) based at

and supports the creation of the recognised air picture for the United Kingdom. Radar Flight (North) of the ASACS Engineering & Logistics Squadron based at RAF Boulmer has command and control of RRH Buchan and ensures its operational availability. As of 1 January 2024, twenty UK Armed Forces Service personnel are based at Buchan.

References

{{Royal Air Force radar stations Buildings and structures in Peterhead History of Aberdeenshire Radar stations

Buchan Buchan is a coastal district in the north-east of Scotland, bounded by the Ythan and Deveron rivers. It was one of the original provinces of the Kingdom of Alba. It is now one of the six committee areas of Aberdeenshire. Etymology The ge ...