The figures below describe Air Defender’s radar records. Detection varies with height, bearing, terrain, radar horizon, sensor state and the scenario. Use these entries to understand the game; they do not establish the historical station deployments or real equipment specifications.
& REFERENCEThe game
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AIR DEFENDER / REFERENCE
Radar stations
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Compare the game’s radar reference records and find the lessons that explain coverage and reports.
AIR DEFENDER / MAP SERIES 01
Find a radar station
Select a station to see its equipment, range and related guides.
10 locations
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1ACC is deployable. Its position depends on where it is sent.
Map sources
Map Series 01 coastline: Natural Earth. Airfield locations: retained OurAirports data. Radar markers show station areas, checked against the UK government ASACS map; they do not show detection coverage.
OurAirports · Natural Earth · UK government radar mapUnderstand the fields
- NM means nautical miles: the distance unit used here. Listed range is not a circle in which every aircraft is guaranteed to be detected.
- rpm means revolutions per minute. Listed rotation is a catalogue figure for antenna rotation, not the number of contact reports per minute. The moving sweep line on the scope is a display feature: it does not establish the update rate of every sensor.
- Non-rotating means no mechanical rotation is listed. It does not mean the station cannot provide new information.
- Equipment names are reproduced from the game reference. Similar names do not prove identical real-world capabilities.
CRC Buchan
Locate on the map CRC Buchan| Game reference field | Value |
|---|---|
| Equipment label | Type 92 (AN/FPS-117) 3D L-band |
| Listed range | 250 NM |
| Listed rotation | 5 rpm |
| Role description | Primary North Sea coverage feeding RAF Boulmer |
RAF Saxa Vord
Locate on the map RAF Saxa Vord| Game reference field | Value |
|---|---|
| Equipment label | Type 92 (AN/FPS-117) 3D L-band |
| Listed range | 250 NM |
| Listed rotation | 5 rpm |
| Role description | Shetland-based radar covering GIUK gap ingress lanes |
RAF Benbecula
Locate on the map RAF Benbecula| Game reference field | Value |
|---|---|
| Equipment label | Type 92 (AN/FPS-117) 3D L-band |
| Listed range | 250 NM |
| Listed rotation | 5 rpm |
| Role description | Western approaches radar watching Atlantic corridors |
RAF Brizlee Wood
Locate on the map RAF Brizlee Wood| Game reference field | Value |
|---|---|
| Equipment label | Type 92 (AN/FPS-117) 3D L-band |
| Listed range | 230 NM |
| Listed rotation | 5 rpm |
| Role description | Covers NE England and hands traffic to Buchan/Boulmer |
CRC Neatishead
Locate on the map CRC Neatishead| Game reference field | Value |
|---|---|
| Equipment label | Type 87 (S-613) long-range S-band |
| Listed range | 240 NM |
| Listed rotation | 4 rpm |
| Role description | Primary Eastern UK CRC controlling East Anglia and the London TMA |
RAF Portreath
Locate on the map RAF Portreath| Game reference field | Value |
|---|---|
| Equipment label | Type 101 (Marconi S-723) coastal radar |
| Listed range | 200 NM |
| Listed rotation | 6 rpm |
| Role description | Monitors southwest approaches and Bay of Biscay routes |
RAF Staxton Wold
Locate on the map RAF Staxton Wold| Game reference field | Value |
|---|---|
| Equipment label | Type 92 (AN/FPS-117) 3D L-band |
| Listed range | 250 NM |
| Listed rotation | 5 rpm |
| Role description | Covers Humber/Wash corridor and feeds CRC Boulmer |
Sornfelli Radar (Faroes)
Locate on the map Sornfelli Radar (Faroes)| Game reference field | Value |
|---|---|
| Equipment label | Type 93 (AN/FPS-117 export) 3D L-band |
| Listed range | 250 NM |
| Listed rotation | 5 rpm |
| Role description | Forward radar for GIUK gap warning across Faroes ridge |
RAF Fylingdales
Locate on the map RAF Fylingdales| Game reference field | Value |
|---|---|
| Equipment label | Solid-state phased array (AN/FPS-126) |
| Listed range | 3000 NM |
| Listed rotation | Non-rotating |
| Role description | Ballistic missile early warning — non-rotating phased array |
1ACC Deployable
Deployable radar: its position depends on its task.
| Game reference field | Value |
|---|---|
| Equipment label | Type 93 (AN/TPS-77) mobile radar |
| Listed range | 200 NM |
| Listed rotation | 6 rpm |
| Role description | Mobile fill-in radar deployed from RAF Brize Norton |
Words used on this page
Choose an underlined term for a quick explanation, or browse the meanings here.
- Range
Distance. For a contact it means distance from a stated point; an aircraft’s range means how far it can fly under stated conditions.
Related guide: range bearing- Bearing
The direction from one position towards another, normally expressed in degrees. In the game’s north-up map, 090 degrees points east; the starting position matters.
Related guide: range bearing- Nautical mile / NM
A distance unit used in aviation and navigation. It is different from the ordinary mile used on UK road signs.
Related guide: range bearing- Contact
Something detected or being followed on the display. You may still need to establish what it is.
Related guide: plot or track- Sweep
The moving scan display on a radar picture. Its visibility is separate from whether a station is powered.
Related guide: radar switches- Scope
The radar display: the map-like screen containing contacts, symbols and information.
Related guide: first session

