UK Squawk Codes

A four-digit number known as a squawk code is set by the pilot, and transmitted by the transponder when pinged by secondary surveillance radar (SSR).

Some codes can be selected by the pilot if and when the situation requires or allows it, without permission from air traffic control (ATC). These codes are called "conspicuity codes" in the UK.

The majority of codes are generally assigned by Air Traffic Contol.

You are probably already familiar with 7700 (General Emergency), 7600 (Radio Failure),7500 (hijacking) but here's a list of all assigned UK Squawk codes, correct as at 22/02/2025.

Codes / SeriesControlling Authority / Function
* 0000SSR data unreliable
* 0001Height Monitoring Unit (See note 4)
* 0002Ground Transponder Testing (Refer to ENR 1.6, paragraph 2.2.3)
* 0003Surrey/Sussex HEMS (HLE60)
0004 to 0005Scottish Non-standard Flights
* 0006British Transport Police ASU
* 0007Off-shore Safety Area (OSA) Conspicuity (See note 9)
* 0010This code may be used when flying in the vicinity of Birmingham, operating outside of Birmingham CTR/ Birmingham CTA and monitoring Birmingham Radar frequency (Refer to ENR 1.6, paragraph 2.2.5)
* 0011Aircraft operating in the vicinity of Bournemouth Control Zone and monitoring Bournemouth Radar Frequency West (Refer to ENR 1.6, paragraph 2.2.5)
* 0012This code may be used when flying in the vicinity of London City and London Heathrow and monitoring Thames Director frequency (Refer to ENR 1.6, paragraph 2.2.5)
* 0013This code may be used when flying in the vicinity of London Luton and monitoring Luton Radar frequency (Refer to ENR 1.6, paragraph 2.2.5)
* 0014Kent Air Ambulance (HLE21)
* 0015Essex Air Ambulance (HLE07)
* 0016Thames Valley Air Ambulance (HLE24)
* 0017London Air Ambulance (HLE27)
* 0020Air Ambulance Helicopter Emergency Medivac
* 0021Fixed-wing aircraft (Receiving service from a ship)
* 0022Helicopter(s) (Receiving service from a ship)
* 0023Aircraft engaged in actual SAR Operations
* 0024Radar Flight Evaluation/Calibration (Refer to ENR 1.6, paragraph 2.2.2.2)
25Scottish Non-standard Flights
* 0026Special Tasks
* 0027London Control (Swanwick) Ops Crossing/Joining CAS (See note 7)
* 0030FIR Lost
* 0031Hertfordshire Air Ambulance (HLE55)
* 0032Aircraft engaged in police air support operations
* 0033Aircraft Paradropping (Refer to ENR 1.6, paragraph 2.2.2.2)
* 0034Antenna trailing/target towing/glider towing
* 0035Selected Flights - Helicopters
* 0036Helicopter Pipeline/Powerline Inspection Flights
* 0037Royal Flights - Helicopters
* 0040Civil Helicopters North Sea
* 0041 to 0061Police Air Support
0062 to 0077No 1 Air Control Centre
  
  
* 0100HQ Air Command (See note 15)
0101 to 0117Transit (ORCAM) Brussels
0120 to 0137Transit (ORCAM) Germany
0140 to 0177Transit (ORCAM) Amsterdam
  
  
* 0200HQ Air Command (See note 15)
0201 to 0277Allocated to NATS as CCAMS redundancy
  
  
* 0300HQ Air Command (See note 15)
0301 to 0377Assigned by CCAMS
  
  
* 0400HQ Air Command (See note 15)
* 0401RAF Leeming Conspicuity
0401 to 0417Birmingham Radar
0401 to 0437Ireland Domestic
0401 to 0450Exeter Approach
0401 to 0461RAF Lakenheath
0402 to 0437RAF Leeming
* 0420Coventry Conspicuity
0421 to 0427Farnborough Zone/Approach Radar IFR/SVFR
* 0430Hawarden Airport Conspicuity Code
0430 to 0437Edinburgh Approach
0430 to 0456Farnborough LARS West
0431 to 0446Hawarden Approach
* 0440This code may be used when flying in the vicinity of Edinburgh, operating outside of Edinburgh CTR/ Edinburgh CTA and monitoring Edinburgh Radar frequency (Refer to ENR 1.6, para 2.2.5)
0441 to 0443Edinburgh Approach
* 0450Blackpool Basic Service Conspicuity
* 0451Blackpool Procedural Service Conspicuity (See note 13)
* 0452Morecambe Bay Helicopter Conspicuity
* 0453Liverpool Bay Helicopter Conspicuity
455Ekofisk RMZ
* 0457Farnborough LARS West VFR Conspicuity Code for periods when no discrete SSR code is available
0460 to 0467Farnborough Zone VFR
* 0462 to 0467USAFE autonomous use in EGD323 complex and Vale of York AIAA.
0470 to 0477Allocated to NATS as CCAMS redundancy
  
  
* 0500HQ Air Command (See note 15)
0501 to 0577Assigned by CCAMS
  
  
* 0600HQ Air Command (See note 15)
0601 to 0637Transit (ORCAM) Germany
0640 to 0677Transit (ORCAM) Paris
  
  
* 0700HQ Air Command (See note 15)
0701 to 0727Transit (ORCAM) Maastricht
0730 to 0767Assigned by CCAMS
0770 to 0777Transit (ORCAM) Maastricht
  
1000IFR GAT flights operating in designated Mode S Airspace
1001 to 1067Transit (ORCAM) Spain
1070 to 1077Assigned by CCAMS
  
  
* 1100HQ Air Command (See note 15)
1101 to 1137Transit (ORCAM) Germany
1140 to 1176Assigned by CCAMS
* 1177London Control (Swanwick) FIS (Refer to ENR 1.6, paragraph 2.2.2.2 and note 5)
  
  
* 1200HQ Air Command (See note 15)
1201 to 1247Channel Islands Domestic
1250 to 1257Assigned by CCAMS
1260 to 1277Queen Elizabeth Class aircraft carrier operations
  
  
* 1300HQ Air Command (See note 15)
* 1301 to 1306Assigned by CAA
1307 to 1327NATO - Air Policing (Air Defence Priority Flights) (See note 6)
1330 to 1377Transit (ORCAM) Germany
  
  
* 1400HQ Air Command (See note 15)
1401 to 1407Irish CCAMS Contingency Codes
1410 to 1477Assigned by CCAMS
  
  
* 1500HQ Air Command (See note 15)
* 1501 to 1577Battlespace Management Force HQ
  
  
* 1600HQ Air Command (See note 15)
* 1601 to 1677Battlespace Management Force HQ
  
  
* 1700HQ Air Command (See note 15)
* 1701 to 1727Battlespace Management Force HQ
1730 to 1746Newquay Approach
1730 to 1746Farnborough LARS East
* 1730 to 1767RAF Spadeadam (See note 8)
1730 to 1776RAF Coningsby
* 1747Farnborough LARS East Conspicuity
* 1747Newquay Conspicuity
1750 to 1757Farnborough Zone (IFR/SVFR)
1750 to 1756Newquay Approach
* 1757Newquay LARS when no discrete SSR code is available
1760 to 1777RNAS Yeovilton Fighter Control
* 1777RAF Coningsby Conspicuity
  
* 2000Conspicuity when entering United Kingdom airspace from an adjacent region where the operation of transponders has not been required; or when operating within United Kingdom airspace in accordance with IFR and is either not receiving an ATS or has not received a specific instruction from ATS concerning the setting of the transponder; or unless instructed otherwise by ATS, Mode S transponder equipped aircraft on the aerodrome surface when under tow, or parked and prior to selecting Off or STBDY. (Refer to ENR 1.6, paragraphs 2.2.1 e and 2.2.2.1.3)
2001 to 2077Assigned by CCAMS
  
  
* 2100HQ Air Command (See note 15)
2101 to 2147Transit (ORCAM) Amsterdam
2150 to 2177Assigned by CCAMS
  
  
* 2200HQ Air Command (See note 15)
2201 to 2277Assigned by CCAMS
  
  
* 2300HQ Air Command (See note 15)
2301 to 2377Transit (ORCAM) France
  
  
* 2400HQ Air Command (See note 15)
* 2401 to 2477Battlespace Management Force HQ
  
  
* 2500HQ Air Command (See note 15)
2501 to 2577Transit (ORCAM) Germany
  
  
* 2600HQ Air Command (See note 15)
2601 to 2617Glasgow Approach
2601 to 2637RAF Cranwell
2601 to 2645MoD Boscombe Down
2601 to 2657Irish Domestic Westbound departures and Eastbound arrivals
* 2620This code may be used when flying in the vicinity of Glasgow, operating outside of Glasgow CTR/ Glasgow CTA and monitoring Glasgow Radar frequency (Refer to ENR 1.6 para 2.2.5)
2621 to 2630Aberdeen (Sumburgh Approach)
2631 to 2637Aberdeen (Northern North Sea Off-shore) (See note 3)
2640 to 2642RAF Cranwell - Lincolnshire AIAA
2640 to 2657Aberdeen (Northern North Sea Off-shore - Sumburgh Sector) (See note 3)
2643 to 2644RAF Cranwell
* 2645RAF Cranwell Conspicuity
2646 to 2647RAF Cranwell
2646 to 2647MoD Boscombe Down - UAS
* 2650MoD Boscombe Down Conspicuity
2650 to 2653Leeds Bradford Approach
2651 to 2657MoD Boscombe Down
* 2654Leeds Bradford Conspicuity
2655 to 2676Leeds Bradford Approach
* 2660Thruxton conspicuity
2660 to 2677Aberdeen (Northern North Sea Off-shore) (See note 3)
2661 to 2675Middle Wallop
* 2676Middle Wallop Conspicuity
2677Middle Wallop Conspicuity
* 2677This code may be used when flying in the vicinity of Leeds Bradford and monitoring the Leeds Radar Frequency (Refer to ENR 1.6, para 2.2.5)
  
  
* 2700HQ Air Command (See note 15)
2701 to 2737Assigned by CCAMS
2740 to 2777Transit (ORCAM) Zurich
  
3000NATO Aircraft receiving a service from AEW aircraft
3001 to 3077Transit (ORCAM) Zurich
  
  
3100NATO Aircraft receiving a service from AEW aircraft
3101 to 3127Transit (ORCAM) Germany
3130 to 3177Transit (ORCAM) Amsterdam
  
  
3200NATO Aircraft receiving a service from AEW aircraft
3201 to 3277Transit (ORCAM) Turkey - may also be Assigned by CCAMS
  
  
3300NATO Aircraft receiving a service from AEW aircraft
3301 to 3303Swanwick (Military) Special Tasks
3304 to 3306Aircraft receiving a service from London D&D Cell
* 3307D&D Conspicuity Training Fix
3310 to 3367Swanwick (Military)
3370 to 3377Allocated to NATS as CCAMS redundancy
  
  
3400NATO Aircraft receiving a service from AEW aircraft
3401 to 3477Assigned by CCAMS
  
  
3500NATO Aircraft receiving a service from AEW aircraft
3501 to 3507Transit (ORCAM) Luxembourg
3510 to 3537Assigned by CCAMS
3540 to 3577Transit (ORCAM) Berlin
  
  
3600NATO Aircraft receiving a service from AEW aircraft
3601 to 3623RAF Benson
3601 to 3632Scottish UK FIS Purposes
3601 to 3634RAF Waddington
3601 to 3647Jersey Approach
3601 to 3657Cardiff Approach
* 3624RAF Benson Conspicuity
3625 to 3627RAF Benson
* 3636This code may be used when flying in the vicinity of Cardiff, operating outside of Cardiff CTR/Cardiff CTA and monitoring Cardiff Approach frequency (Refer to ENR 1.6, para 2.2.5)
* 3637Wycombe Air Park Conspicuity. Not to be used outside 20 NM from the airfield.
3640 to 3645RAF Odiham
3640 to 3666RAF Marham
3640 to 3677Aberdeen (Northern North Sea Off-shore) (See note 3)
3641 to 3647BAE Systems Warton
* 3646RAF Odiham Conspicuity
3646 to 3657Cardiff Approach
3647 to 3653RAF Odiham
* 3650BAE Systems Warton Conspicuity
3651 to 3657BAE Systems Warton
* 3660This code may be used when flying in the vicinity of Warton Aerodrome and monitoring Warton Radar frequency (Refer to ENR 1.6, para 2.2.5)
3660 to 3665Solent Approach (Southampton)
3661 to 3677BAE Systems Warton
* 3666Solent Radar Conspicuity
* 3667RAF Marham - FIS Conspicuity
3667 to 3677Solent Approach (Southampton)
  
  
3700NATO Aircraft receiving a service from AEW aircraft
3701 to 3706Norwich Approach
3707Norwich Basic Service
3710Norwich Approach
* 3701 to 3717Military aircraft under service from RN AEW aircraft in South West Approaches
3701 to 3736RAF Brize Norton
3701 to 3727Guernsey Approach
3701 to 3767RAF Lossiemouth
3720 to 3725RAF Valley
3720 to 3727RAF Wittering Approach/Director
3720 to 3766Newcastle Approach
3726RAF Valley Basic Service
* 3727This code may be used when flying in the vicinity of RAF Brize Norton, operating outside of Brize Norton CTR and monitoring Brize Norton LARS frequency (Refer to ENR 1.6, paragraph 2.2.5)
* 3727RAF Valley
3730 to 3736RAF Valley
3730 to 3747RAF Wittering Tutor Operations
* 3737RAF Valley - Visual Recovery
* 3737RAF Brize Norton Approach Conspicuity
* 3737This code may be used when flying in the vicinity of Newcastle, operating outside of Newcastle CTR and Newcastle CTA and monitoring Newcastle Radar frequency (Refer to ENR 1.6, para 2.2.5)
3740 to 3745RAF Brize Norton
3740 to 3747RAF Valley
* 3750RAF Wittering Zone Conspicuity (Basic Service)
3750 to 3751RAF Valley
3750 to 3761TC Gatwick
3751 to 3757RAF Wittering Zone Transits
3752RAF Valley - RIFA
* 3753RAF Valley - Low Level Helicopters
* 3754RAF Valley - Special Tasks
3755 to 3756RAF Valley
3757RAF Valley Rotary at RAF Mona
3760RAF Wittering
3760 to 3762RAF Valley
3761RAF Wittering - Cranwell/Wittering/Cranwell VFR Transit
* 3762Shoreham ATS IFR
3762RAF Wittering
* 3763Shoreham ATS VFR
3763 to 3765RAF Valley - Approach/Director
3764 to 3766Gatwick Tower
3766 to 3767RAF Valley
* 3767Redhill Approach Conspicuity
* 3767Newcastle Approach Conspicuity
3770 to 3777Western Radar
Codes / SeriesControlling Authority / Function
4000NATO Aircraft receiving a service from AEW aircraft
4001 to 4077Transit (ORCAM) France
  
  
4100NATO Aircraft receiving a service from AEW aircraft
4101 to 4177Transit (ORCAM) Germany
  
  
4200NATO Aircraft receiving a service from AEW aircraft
4201 to 4210Western Radar
4211 to 4214Assigned by CAA
4215 to 4247Assigned by CCAMS
4250 to 4257Belfast City Approach
4250 to 4267Aberdeen Approach
4250 to 4277Humberside Approach
* 4255This code may be used when flying in the vicinity of Belfast/City, operating outside of Belfast/City CTR/ Belfast TMA and monitoring Belfast Approach frequency (Refer to ENR 1.6, para 2.2.5)
* 4270This code may be used when flying in the vicinity of Aberdeen Airport and operating outside of the Aberdeen CTR/Aberdeen CTA (Refer to ENR 1.6, para 2.2.5)
  
4300NATO Aircraft receiving a service from AEW aircraft
4301 to 4305Assigned by CAA
* 4306Lee-on-Solent Conspicuity
4307 to 4317London Control Non-Standard Flights
4320 to 4327Ireland Domestic
4320 to 4327RNAS Yeovilton
4330 to 4337UK Domestic (Prestwick Centre Special Sector Codes)
4340 to 4353UK Domestic (Scottish Special Sector Codes)
* 4354 to 4356Westland Helicopters Yeovil
4357Ireland Domestic
* 4357RNAS Yeovilton Conspicuity
4360 to 4361Oil Survey Helicopters - Faeroes/Iceland Gap
* 4360 to 4367Westland Helicopters Yeovil
4360 to 4367RAF Northolt
4370 to 4377Anglia Radar
4370 to 4377Ireland Domestic
4370 to 4377RNAS Yeovilton
  
  
4400NATO Aircraft receiving a service from AEW aircraft
4401 to 4427Transit (ORCAM) Brussels
4430 to 4477Assigned by CCAMS
  
  
4500NATO Aircraft receiving a service from AEW aircraft
* 4501Land's End GNSS Approach (See note 14)
* 4501Wattisham Conspicuity
4501 to 4516Oxford Approach
4501 to 4517Prestwick Approach
4502 to 4547Wattisham Approach
4506RAF Topcliffe
* 4517This code may be used when flying in the vicinity of Oxford Airport and monitoring Oxford Radar frequency (Refer to ENR 1.6, para 2.2.5)
* 4520Prestwick Conspicuity
* 4520Oxford Approach Basic Service
* 4521 to 4527West Wales Radar (NQY)
* 4530MoD Aberporth Conspicuity
* 4530Gloucestershire Airport Instrument Approach Training
4530 to 4546Plymouth (Military) Radar
4531 to 4537MoD Aberporth
* 4531Gloucestershire Airport Conspicuity only to be used within 25 NM and 10,000 FT of the airfield and monitoring the Gloucestershire Airport Frequency
* 4540 to 4542MoD Aberporth (See note 10)
* 4540 to 4541RAF Topcliffe Conspicuity Code
* 4543West Wales Airport UAS Conspicuity Code. Shall only be selected with AFIS direction.
* 4547Plymouth (Military) Radar conspicuity
4550 to 4567Plymouth (Military) Radar
4550 to 4567Isle of Man
4550 to 4570East Midlands Radar
* 4571East Midlands LARS Basic Service Conspicuity
* 4572Aircraft operating outside of East Midlands Controlled Airspace/Zone and monitoring East Midlands Radar frequency (Refer to ENR 1.6, paragraph 2.2.5)
* 4572Farnborough LARS West VFR Frequency Monitoring Code (Refer to ENR 1.6, paragraph 2.2.5)
* 4573Costock Helicopters operating inside East Midlands CTR - Conspicuity
* 4574Southdown Gliding Club Conspicuity
* 4575Southend Airport Conspicuity
* 4575Haverfordwest RNP Approach Conspicuity. Only to be used within 20 NM and 10,000 FT of the aerodrome
* 4576"Walney Aerodrome Conspicuity. Only to be used within 25 NM and 10,000 FT of the aerodrome and in
communication with Walney ATS."
* 4576RAF Honington
* 4577Allocated by the CAA
  
  
4600NATO Aircraft receiving a service from AEW aircraft
* 4601MoD Ops in Salisbury Plain Training Area (See note 11)
4602 to 4607Anglia Radar
* 4607This code may be used when flying in the vicinity of Hawarden and monitoring the Hawarden Radar Frequency (Refer to ENR 1.6 para 2.2.5)
4610 to 4667Assigned by CCAMS
4670 to 4676TC Stansted/TC Luton
* 4677Luton Airport Tower Conspicuity
  
  
4700NATO Aircraft receiving a service from AEW aircraft
4701 to 4777Assigned by CCAMS
  
5000NATO Aircraft receiving a service from AEW aircraft
5001 to 5012London Control Non-Standard Flights
5013 to 5017Assigned by CCAMS
5020 to 5036Farnborough LARS North
* 5037Farnborough LARS North Conspicuity
5040 to 5047Assigned by CAA
* 5050Liverpool Conspicuity
* 5050This code may be used when flying in the vicinity of Southend and monitoring Southend Radar Frequency (Refer to ENR 1.6, para 2.2.5)
5050 to 5067Bristol Approach
5050 to 5067Southend Approach
5051 to 5067Liverpool Airport
* 5060 (or 5067 for students flying solo)This code may be used when flying in the vicinity of Liverpool and monitoring the Liverpool Radar Frequency (Refer to ENR 1.6, para 2.2.5)
* 5070 to 5071Bristol VFR Conspicuity
* 5070 to 5071RAF Syerston Conspicuity
5072 to 5076Bristol Approach
* 5077This code may be used when flying in the vicinity of Bristol Airport, operating outside of Bristol CTR/ Bristol CTA and monitoring Bristol Radar frequency (Refer to ENR 1.6, para 2.2.5)
* 5077Sherburn-in-Elmet and Leeds East RNP Approach Conspicuity. Only to be used within 20 NM and 10,000 FT of the aerodrome
* 5077Cumbernauld RNP Approach Conspicuity. Only to be used within 20 NM and 10,000 FT of the aerodrome
  
  
5100NATO Aircraft receiving a service from AEW aircraft
5101 to 5107Assigned by CAA
5110 to 5137NATS
5140 to 5177Assigned by CCAMS
  
  
5200NATO Aircraft receiving a service from AEW aircraft
5201 to 5270Assigned by CCAMS
5271 to 5277Transit (ORCAM) Channel Islands
  
  
5300NATO Aircraft receiving a service from AEW aircraft
5301 to 5377Transit (ORCAM) Barcelona
  
  
5400NATO Aircraft receiving a service from AEW aircraft
5401 to 5477Assigned by CCAMS
  
  
5500NATO Aircraft receiving a service from AEW aircraft
5501 to 5577Transit (ORCAM) Barcelona
  
  
5600NATO Aircraft receiving a service from AEW aircraft
5601 to 5647Transit (ORCAM) Paris
5650 to 5657Transit (ORCAM) Luxembourg
5660 to 5664Allocated to NATS as CCAMS redundancy
5665 to 5676Assigned by CCAMS
5677Medical emergency in France
  
  
5700NATO Aircraft receiving a service from AEW aircraft
5701 to 5777Transit (ORCAM) Geneva
  
* 6000"Uncrewed Air System BVLOS Trial Conspicuity operating within segregated airspace and
specifically authorised by CAA (See note 17)"
* 6001 to 6037On loan to CCAMS (See note 16)
6040 to 6077Swanwick (Military)
  
  
* 6100HQ Air Command (See note 15)
6101 to 6157Swanwick (Military)
* 6160Doncaster Sheffield Conspicuity
6160 to 6175Cambridge Approach
6160 to 6176Inverness Approach
6160 to 6177Plymouth (Military) Radar
6161 to 6167Doncaster Sheffield Approach
* 6170This code may be used when flying in the vicinity of Doncaster Sheffield, operating outside of Doncaster Sheffield CTR/Doncaster Sheffield CTA and monitoring Doncaster Radar frequency (Refer to ENR 1.6, para 2.2.5)
6171 to 6177Doncaster Sheffield Approach
* 6176Cambridge VFR Conspicuity
* 6177Cambridge IFR Conspicuity
* 6177Inverness Conspicuity
  
  
* 6200HQ Air Command (See note 15)
6201 to 6257Assigned by CCAMS
6260 to 6277Transit (ORCAM) Amsterdam
  
  
* 6300HQ Air Command (See note 15)
6301 to 6377Assigned by CCAMS
  
  
* 6400HQ Air Command (See note 15)
6401 to 6457Swanwick (Military) Radar
6460 to 6467Assigned by CCAMS
6470 to 6477Allocated to NATS as CCAMS redundancy
  
  
* 6500HQ Air Command (See note 15)
6501 to 6577CRC Boulmer
  
  
* 6600HQ Air Command (See note 15)
6601 to 6677Transit (ORCAM) Germany
  
  
* 6700HQ Air Command (See note 15)
6701 to 6777Transit (ORCAM) France
  
* 7000Conspicuity when operating within United Kingdom airspace in accordance with VFR and have not received a specific instruction from ATS concerning the setting of the transponder. (Refer to ENR 1.6, paragraph 2.2.2.1.3)
* 7001Military Fixed-wing Low Level Conspicuity/ Climb-out (Refer to ENR 1.6, paragraph 2.2.2.2)
* 7002Danger Areas General
* 7003Red Arrows Transit/Display
* 7004Conspicuity Aerobatics and Display (Refer to ENR 1.6, paragraph 2.2.2.2)
* 7005High-Energy Manoeuvres
* 7006Autonomous Operations within TRA and TRA (G) (Refer to ENR 1.6, paragraph 2.2.2.2)
7007Open Skies Observation Aircraft
* 7010Operating in Aerodrome Traffic Pattern (Refer to ENR 1.6, paragraph 2.2.2.2)
* 7011This code may be used when flying in the vicinity of Southampton Airport and monitoring Solent Radar frequency (Refer to ENR 1.6, paragraph 2.2.5)
* 7012This code may be used when flying in the vicinity of London Gatwick and monitoring Gatwick Director frequency (Refer to ENR 1.6, para 2.2.5)
* 7013This code may be used when flying in the vicinity of Stansted and monitoring Stansted Radar frequency (Refer to ENR 1.6, para 2.2.5)
7014 to 7017Allocated to NATS as CCAMS redundancy
7020 to 7027Assigned by CCAMS
* 7030RNAS Culdrose Conspicuity
7030 to 7044Aldergrove Approach
7030 to 7046TC Thames/TC Heathrow
7030 to 7066Teesside International Airport
7030 to 7077Aberdeen (Northern North Sea Off-shore) (See note 3)
7031 to 7077RNAS Culdrose
* 7045This code may be used when flying in the vicinity of Belfast Aldergrove, operating outside of Belfast Aldergrove CTR/Belfast TMA and monitoring Aldergrove Approach frequency (Refer to ENR 1.6, para 2.2.5)
7046 to 7047Aldergrove Approach
* 7047TC Thames (Biggin Hill Airport Conspicuity)
* 7047RNAS Culdrose Conspicuity
7050 to 7056TC Thames/TC Heathrow
* 7057TC Thames (London City Airport Conspicuity)
* 7066Lydd Approach VFR
* 7067Teesside International Airport Conspicuity
* 7067Lydd Approach IFR
7070 to 7076TC Thames/TC Heathrow
* 7077TC Thames (London Heliport Conspicuity)
  
  
* 7100SSR Code Saturation
7101 to 7167Transit (ORCAM) Brussels
7170 to 7177Transit (ORCAM) Luxembourg
  
  
* 7200RN Ships Conspicuity
7201 to 7267Allocated to NATS as CCAMS redundancy
7270 to 7277Assigned by CCAMS
  
  
* 7300MPA/DEFRA/Fishery Protection/METMAN
* 7300(Civil Contingency) Conspicuity
7301 to 7327Assigned by CCAMS
7330 to 7347Transit (ORCAM) Netherlands
* 7350Norwich Frequency Monitoring Code - This code may be used when flying in the vicinity of Norwich, operating outside of Norwich CTR/Norwich CTA and monitoring Norwich Radar Frequency (Refer to ENR 1.6, paragraph 2.2.5)
7350 to 7353RNAS Culdrose
7350 to 7361MoD Ops in EGD701 (Hebrides)
7350 to 7363Manchester Approach
7350 to 7376Bournemouth Approach/LARS
7351 to 7377Norwich Approach
* 7354 to *7355RNAS Culdrose Conspicuity
* 7356RNAS Culdrose Conspicuity Code utilised by Penzance Heliport iaw local orders
* 7357RNAS Culdrose Conspicuity
7360 to 7367RNAS Culdrose
* 7362MoD Ops in EGD702 (Fort George)
* 7364Manchester Special VFR Low-Level Route (Refer to ENR 1.6, paragraph 2.2.5)
* 7365Manchester Barton Conspicuity
* 7366 (or 7367 for students flying solo)This code may be used when flying in the vicinity of Manchester Airport and monitoring Manchester Radar frequency (Refer to ENR 1.6, paragraph 2.2.5)
7367 to 7373Manchester Approach
* 7374Dundee Airport IFR Procedural Approach
* 7375Manchester TMA and Woodvale Local Area (Woodvale UAS and VGS Conspicuity)
* 7376Dundee Airport VFR Conspicuity
* 7377Bournemouth Radar Conspicuity
  
  
* 7400UAS/RPA Lost Link (See note 12)
* 7401Scottish FIS (Refer to ENR 1.6, paragraph 2.2.2.2)
* 7402RAF Leuchars Conspicuity
7402 to 7414TC Stansted/TC Luton
7402 to 7417RAF Shawbury
7402 to 7436RNAS Yeovilton
7402 to 7437Anglia Radar
7403 to 7427RAF Leuchars
* 7417Cranfield Airport - IFR Conspicuity Purposes
* 7420RAF Shawbury Conspicuity
7421 to 7425RAF Shawbury
* 7426RAF Shawbury Conspicuity
* 7427RAF Shawbury
7430 to 7437RAF Shawbury
* 7437RNAS Yeovilton Conspicuity
7440 to 7477Transit (ORCAM) France
  
  
* 7500Special Purpose Code - Hi-Jacking
7501 to 7507Assigned by CCAMS
7510 to 7535Transit (ORCAM) Switzerland
7536 to 7537Assigned by CCAMS
7540 to 7547Transit (ORCAM) Germany
7550 to 7567Transit (ORCAM) Paris
7570 to 7577Assigned by CCAMS
  
  
* 7600Special Purpose Code - Radio Failure
7601 to 7617Allocated to NATS as CCAMS Redundancy (Prestwick Upper)
7620 to 7677Assigned by CCAMS
  
  
* 7700Special Purpose Code - Emergency
7701 to 7775Assigned by CCAMS
* 7776 to 7777SSR Monitors (Refer to ENR 1.6, paragraph 2.2.4)

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