SSR (Squawk) Codes

These are the 4 digit numbers entered into an aircraft transponder, usually given by the ATC providing them with a radar service unless they are assigned them due to a specific function or displaying them to signify a specific function. These for digit codes contain digits 0 to 7 but will not contain the numbers 8 or 9. You can usually search the text on this page by using the function “CTRL+F”

Local Squawk Codes

If you are tracking aircraft in Lincolnshire I have prepared a handy 1 Page guide to Local Squawk Codes to save you time scrolling through the full list. You can download it here.

List of Secondary Surveillance Radar (SSR) Squawk Codes last updated 16/09/16
Codes/Series Controlling Authority/Function
* 0000 SSR data unreliable
* 0001 Height Monitoring Unit (See note 5)
* 0002 Ground Transponder Testing (Refer to ENR 1.6, paragraph 2.2.3)
* 0003 Surrey/Sussex HEMS
0004 — 0005 Scottish Non-standard Flights
* 0006 British Transport Police ASU
* 0007 Off-shore Safety Area (OSA) Conspicuity (See note 11)
* 0010 Aircraft operating outside of Birmingham Controlled Airspace Zone and monitoring Birmingham Radar frequency (Refer to ENR 1.6, paragraph 2.2.5)
* 0011 Aircraft operating outside of Southampton/Bournemouth Zones/Areas and monitoring Solent Radar frequencies (Refer to ENR 1.6, paragraph 2.2.5)
* 0012 Aircraft operating outside of Heathrow/London City/Gatwick CAS and monitoring Thames/Gatwick Radar frequency (Refer to ENR 1.6, paragraph 2.2.5)
* 0013 Aircraft operating outside of Luton/Stansted CAS and monitoring Luton/Essex Radar frequency (Refer to ENR 1.6, paragraph 2.2.5)
* 0014 Kent Air Ambulance (HMD21)
* 0015 Essex Air Ambulance (HMD07)
* 0016 Thames Valley Air Ambulance (HMD24)
* 0017 Virgin HEMS (HMD27)
* 0020 Air Ambulance Helicopter Emergency Medivac
* 0021 Fixed-wing aircraft (Receiving service from a ship)
* 0022 Helicopter(s) (Receiving service from a ship)
* 0023 Aircraft engaged in actual SAR Operations
* 0024 Radar Flight Evaluation/Calibration (Refer to ENR 1.6, paragraph 2.2.2.2)
0025 Scottish Non-standard Flights
* 0026 Special Tasks (Mil) – activated under Special Flight Notification (SFN)
* 0027 London Control (Swanwick) Ops Crossing/Joining CAS (See note 9)
* 0030 FIR Lost
* 0031 Not currently allocated for use in the UK FIR
* 0032 Aircraft engaged in police air support operations
* 0033 Aircraft Paradropping (Refer to ENR 1.6, paragraph 2.2.2.2)
* 0034 Antenna trailing/target towing
* 0035 Selected Flights – Helicopters
* 0036 Helicopter Pipeline/Powerline Inspection Flights
* 0037 Royal Flights – Helicopters
* 0040 Civil Helicopters North Sea
* 0041 — 0061 Police Air Support
0062 — 0077 No 1 Air Control Centre
* 0100 NATO – CAOC F (activated by NOTAM via ASACS Force Command)
0101 — 0117 Transit (ORCAM) Brussels
0120 — 0137 Transit (ORCAM) Germany
0140 — 0177 Transit (ORCAM) Amsterdam
* 0200 NATO – CAOC Uedem (activated by NOTAM via ASACS Force Command)
0201 — 0277 Allocated to NATS as CCAMS redundancy
* 0300 NATO – CAOC Uedem (activated by NOTAM via ASACS Force Command)
0301 — 0377 Assigned by CCAMS
* 0400 NATO – CAOC Uedem (activated by NOTAM via ASACS Force Command)
* 0401 RAF Leeming Conspicuity
0401 — 0420 Birmingham Approach
0401 — 0437 Ireland Domestic
0401 — 0450 Exeter Approach
0401 — 0467 RAF Lakenheath
0402 — 0426 RAF Leeming
0421 — 0427 Farnborough Radar
* 0427 RAF Leeming (Topcliffe) Conspicuity
0430 — 0437 Edinburgh Approach
0430 — 0446 Farnborough LARS West
* 0440 Edinburgh Frequency Monitoring Code (Refer to ENR 1.6, paragraph 2.2.5)
0441 — 0443 Edinburgh Approach
* 0447 Farnborough LARS West (Blackbushe departures)
* 0450 Blackpool Basic Service Conspicuity
0450 — 0456 Farnborough LARS West
*0451 Blackpool Procedural Service Conspicuity (See note 16)
*0452 Morecambe Bay Helicopter Conspicuity
* 0453 Liverpool Bay Helicopter Conspicuity
* 0457 Farnborough LARS West (Fairoaks departures)
0460 — 0465 Farnborough LARS West
*0466 Farnborough LARS West (Fairoaks Departures)
467 Farnborough LARS West
0470 — 0477 Allocated to NATS as CCAMS redundancy
* 0500 NATO – CAOC Uedem (activated by NOTAM via ASACS Force Command)
0501 — 0577 Assigned by CCAMS
* 0600 NATO – CAOC Uedem (activated by NOTAM via ASACS Force Command)
0601 — 0637 Transit (ORCAM) Germany
0640 — 0677 Transit (ORCAM) Paris
* 0700 NATO – CAOC Uedem (activated by NOTAM via ASACS Force Command)
0701 — 0727 Transit (ORCAM) Maastricht
0730 — 0767 Assigned by CCAMS
0770 — 0777 Transit (ORCAM) Maastricht
Codes/Series Controlling Authority / Function
1000 IFR GAT flights operating in designated Mode S Airspace
1001 — 1067 Transit (ORCAM) Spain
1070 — 1077 Assigned by CCAMS
* 1100 NATO – CAOC Uedem (activated by NOTAM via ASACS Force Command)
1101 — 1137 Transit (ORCAM) Germany
1140 — 1157 Transit (ORCAM) Malta
1160 — 1176 Assigned by CCAMS
* 1177 London Control (Swanwick) FIS (Refer to ENR 1.6, paragraph 2.2.2.2 and note 7)
* 1200 NATO – CAOC Uedem (activated by NOTAM via ASACS Force Command)
1201 — 1277 Channel Islands Domestic
* 1300 NATO – CAOC Uedem (activated by NOTAM via ASACS Force Command)
1301 — 1327 NATO – Air Policing (Air Defence Priority Flights) (See note 8)
1330 — 1377 Transit (ORCAM) Germany
* 1400 NATO – CAOC Uedem (activated by NOTAM via ASACS Force Command)
1401 — 1407 Irish CCAMS Contingency Codes
1410 — 1477 Assigned by CCAMS
* 1500 — 1577 NATO – CAOC Uedem (activated by NOTAM via ASACS Force Command)
* 1600 — 1677 NATO – CAOC Uedem (activated by NOTAM via ASACS Force Command)
* 1700 — 1727 NATO – CAOC Uedem (activated by NOTAM via ASACS Force Command)
1730 — 1744 Newquay Approach
1730 — 1746 Farnborough LARS East
1730 — 1756 RAF Coningsby
* 1730 — 1767 RAF Spadeadam (See note 10)
1745 Newquay Fixed-wing
1746 Newquay Helicopters
* 1747 Farnborough LARS East Conspicuity
* 1747 Newquay Conspicuity
1750 — 1757 Newquay Approach
1750 — 1757 Scatsta, Shetland
* 1757 RAF Coningsby Conspicuity
1760 — 1777 RAF Coningsby
1760 — 1777 RNAS Yeovilton Fighter Control
Codes/Series Controlling Authority / Function
* 2000 Aircraft from a non SSR environment, or on the aerodrome surface in accordance with Note 12
2001 — 2077 Assigned by CCAMS
* 2100 NATO – CAOC Uedem (activated by NOTAM via ASACS Force Command)
2101 — 2177 Transit (ORCAM) Amsterdam
* 2200 NATO – CAOC Uedem (activated by NOTAM via ASACS Force Command)
2201 — 2277 Assigned by CCAMS
* 2300 NATO – CAOC Uedem (activated by NOTAM via ASACS Force Command)
2301 — 2377 Transit (ORCAM) France
* 2400 — 2477 NATO – CAOC Uedem (activated by NOTAM via ASACS Force Command)
* 2500 NATO – CAOC Uedem (activated by NOTAM via ASACS Force Command)
2501 — 2577 Transit (ORCAM) Germany
* 2600 NATO – CAOC Uedem (activated by NOTAM via ASACS Force Command)
2601 — 2617 Glasgow Approach
2601 — 2637 RAF Cranwell
2601 — 2645 MoD Boscombe Down
2601 — 2657 Irish Domestic Westbound departures and Eastbound arrivals
* 2620 Glasgow Airport Frequency Monitoring Code (Refer to ENR 1.6 para 2.2.5)
2621 — 2630 Aberdeen (Sumburgh Approach)
2631 — 2637 Aberdeen (Northern North Sea Off-shore) (See note 3)
2640 — 2642 RAF Cranwell – Lincolnshire AIAA
2640 — 2657 Aberdeen (Northern North Sea Off-shore – Sumburgh Sector) (See note 3)
2643 — 2644 RAF Cranwell
* 2645 RAF Cranwell Conspicuity
2646 — 2647 RAF Cranwell
2646 — 2647 MoD Boscombe Down – UAS
* 2650 MoD Boscombe Down Conspicuity
2650 — 2653 Leeds Bradford Approach
2651 — 2657 MoD Boscombe Down
* 2654 Leeds Bradford Conspicuity
2655 — 2676 Leeds Bradford Approach
* 2660 Thruxton conspicuity
2660 — 2677 Aberdeen (Northern North Sea Off-shore) (See note 3)
2661 — 2675 Middle Wallop
* 2676 Middle Wallop Conspicuity
2677 Middle Wallop Conspicuity
* 2677 Aircraft operating outside of Leeds Bradford Controlled Airspace Zone and Monitoring Leeds Bradford Radar frequency (Refer to ENR 1.6, paragraph 2.2.5)
* 2700 NATO – CAOC Uedem (activated by NOTAM via ASACS Force Command)
2701 — 2737 Assigned by CCAMS
2740 — 2777 Transit (ORCAM) Zurich
Codes/Series Controlling Authority / Function
3000 NATO ­ Aircraft receiving a service from AEW aircraft
3001 — 3077 Transit (ORCAM) Zurich
3100 NATO ­ Aircraft receiving a service from AEW aircraft
3101 — 3127 Transit (ORCAM) Germany
3130 — 3177 Transit (ORCAM) Amsterdam
3200 NATO ­ Aircraft receiving a service from AEW aircraft
3201 — 3277 Transit (ORCAM) Turkey – may also be Assigned by CCAMS
3300 NATO ­ Aircraft receiving a service from AEW aircraft
3301 — 3303 Swanwick (Military) Special Tasks
3304 — 3306 Aircraft receiving a service from London D&D Cell
*3307 D&D Conspicuity Training Fix
3310 — 3367 Swanwick (Military)
3370 — 3377 Allocated to NATS as CCAMS redundancy
3400 NATO ­ Aircraft receiving a service from AEW aircraft
3401 — 3477 Assigned by CCAMS
3500 NATO ­ Aircraft receiving a service from AEW aircraft
3501 — 3507 Transit (ORCAM) Luxembourg
3510 — 3537 Assigned by CCAMS
3540 — 3577 Transit (ORCAM) Berlin
3600 NATO ­ Aircraft receiving a service from AEW aircraft
3601 — 3623 RAF Benson
3601 — 3632 Scottish ATSOCA Purposes
3601 — 3634 RAF Waddington
3601 — 3647 Jersey Approach
3601 — 3657 Cardiff Approach
* 3624 RAF Benson Conspicuity
3625 — 3627 RAF Benson
* 3637 Wycombe Air Park Conspicuity. Not to be used outside 20 nm from the airfield.
3640 — 3645 RAF Odiham
3640 — 3666 RAF Marham
3640 — 3677 Aberdeen (Northern North Sea Off-shore) (See note 3)
3641 — 3647 BAE Systems Warton
* 3646 RAF Odiham Conspicuity
3646 — 3657 Cardiff Approach
3647 — 3653 RAF Odiham
* 3650 BAE Systems Warton Conspicuity
3651 — 3657 BAE Systems Warton
* 3660 Warton Aerodrome Frequency Monitoring Code (Refer to ENR 1.6, para 2.2.5)
3660 — 3665 Solent Approach (Southampton)
3661 — 3677 BAE Systems Warton
* 3666 Solent Radar Conspicuity
* 3667 RAF Marham – FIS Conspicuity
3667 — 3677 Solent Approach (Southampton)
3700 NATO ­ Aircraft receiving a service from AEW aircraft
3701 — 3710 Norwich Approach
* 3701 — 3717 Military aircraft under service from RN AEW aircraft in South West Approaches
3701 — 3736 RAF Brize Norton
3701 — 3747 Guernsey Approach
3701 — 3767 RAF Lossiemouth
3720 — 3727 RAF Valley
RAF Wittering Approach/Director
3720 — 3766 Newcastle Approach
3730 — 3736 RAF Valley
3730 — 3747 RAF Wittering Tutor Operations
* 3737 RAF Valley – Visual Recovery
RAF Brize Norton Approach Conspicuity
3740 — 3745 RAF Brize Norton
3740 — 3747 RAF Valley
* 3750 RAF Wittering Zone Conspicuity (Basic Service)
3750 — 3751 RAF Valley GH
3750 — 3761 TC Gatwick
3751 — 3757 RAF Wittering Zone Transits
3752 RAF Valley – RIFA
* 3753 RAF Valley – Low Level Helicopters
* 3754 RAF Valley – Special Tasks
3755 RAF Valley Radar Practice Force Landing (RPFL)
3756 RAF Valley Straight In Practice Force Landing (SIPFL)
3757 RAF Valley Rotary at RAF Mona
3760 RAF Wittering
3760 — 3765 RAF Valley GH
3761 RAF Wittering – Cranwell/Wittering/Cranwell VFR Transit
* 3762 Shoreham ATS IFR
3762 RAF Wittering
* 3763 Shoreham ATS VFR
3764 — 3766 Gatwick Tower
* 3767 Redhill Approach Conspicuity
* 3767 Newcastle Approach Conspicuity
3770 — 3777 Western Radar
Codes/Series Controlling Authority / Function
4000 NATO ­ Aircraft receiving a service from AEW aircraft
4001 — 4077 Transit (ORCAM) France
4100 NATO ­ Aircraft receiving a service from AEW aircraft
4101 — 4177 Transit (ORCAM) Germany
4200 NATO ­ Aircraft receiving a service from AEW aircraft
4201 — 4214 Assigned by CAA
4215 — 4247 Assigned by CCAMS
4250 — 4257 Belfast City Approach
4250 — 4267 Aberdeen Approach
4250 — 4277 Humberside Approach
4300 NATO ­ Aircraft receiving a service from AEW aircraft
4301 — 4306 Assigned by CAA
4307 — 4317 London Control Non-Standard Flights
4320 — 4327 Ireland Domestic
RNAS Yeovilton
4330 — 4337 UK Domestic (Prestwick Centre Special Sector Codes)
4340 — 4353 UK Domestic (Scottish Special Sector Codes)
* 4354 — 4356 Westland Helicopters Yeovil
4357 Ireland Domestic
* 4357 RNAS Yeovilton Conspicuity
* 4360 — 4361 Coventry Airport Conspicuity
4360 — 4361 Oil Survey Helicopters – Faeroes/Iceland Gap
* 4360 — 4367 Westland Helicopters Yeovil
4360 — 4367 RAF Northolt
4362 — 4367 Coventry Approach
4370 — 4377 Anglia Radar
Ireland Domestic
RNAS Yeovilton
4400 NATO ­ Aircraft receiving a service from AEW aircraft
4401 — 4427 Transit (ORCAM) Brussels
4430 — 4477 Assigned by CCAMS
4500 NATO ­ Aircraft receiving a service from AEW aircraft
* 4501 Lands End GNSS Approach (See note 17)
* 4501 Wattisham Conspicuity
4501 — 4505 RAF Linton-on-Ouse
4501 — 4516 Oxford Approach
4501 — 4517 Prestwick Approach
4502 — 4547 Wattisham Approach
*4506 RAF Linton-on-Ouse Conspicuity
4507 — 4527 RAF Linton-on-Ouse
* 4517 Oxford SSR Frequency Monitoring Code (Refer to ENR 1.6, paragraph 2.2.5).
* 4520 Prestwick Conspicuity
* 4520 Oxford Approach Basic Service
* 4521 — 4527 West Wales Radar (NQY)
* 4530 RAF Linton-on-Ouse Conspicuity
* 4530 MoD Aberporth Conspicuity
4530 — 4546 Plymouth (Military) Radar
4531 — 4537 RAF Linton-on-Ouse
4531 — 4537 MoD Aberporth
* 4540 RAF Linton-on-Ouse Conspicuity
* 4540 — 4542 MoD Aberporth (See note 13)
4541 — 4547 RAF Linton-on-Ouse
* 4543 West Wales Airport UAS Conspicuity Code. Shall only be selected with AFIS direction.
* 4547 Plymouth (Military) Radar conspicuity
4550 — 4567 Plymouth (Military) Radar
4550 — 4567 Isle of Man
4550 — 4571 East Midlands Approach
* 4572 Aircraft operating outside of East Midlands Controlled Airspace/Zone and monitoring East Midlands Radar frequency (Refer to ENR 1.6, paragraph 2.2.5)
* 4572 Farnborough LARS West SSR Monitoring Code (Refer to ENR 1.6, paragraph 2.2.5)
* 4573 East Midlands Approach Conspicuity
* 4574 Not currently allocated for use in the UK FIR
* 4575 RAF Leeming/RAF Linton-on-Ouse (See note 4)
Southend Airport Conspicuity
* 4576 RAF Colerne Conspicuity (See note 6)
* 4576 Vale of York AIAA Conspicuity
4577 Vale of York AIAA Conspicuity
4600 NATO ­ Aircraft receiving a service from AEW aircraft
* 4601 Hawarden Conspicuity
* 4601 MoD Ops in Salisbury Plain Training Area (See note 14)
4602 — 4607 Hawarden Approach
Anglia Radar
4610 — 4667 Swanwick (Military)
4670 — 4676 TC Stansted/TC Luton
* 4677 Carlisle Airport Conspicuity
Luton Airport Tower Conspicuity
4700 NATO ­ Aircraft receiving a service from AEW aircraft
4701 — 4777 Assigned by CCAMS
Codes/Series Controlling Authority / Function
5000 NATO ­ Aircraft receiving a service from AEW aircraft
5001 — 5012 London Control Non-Standard Flights
5013 — 5017 Assigned by CCAMS
5020 — 5036 Farnborough LARS North
* 5037 Farnborough LARS North Conspicuity
5040 — 5047 Assigned by CAA
* 5050 Liverpool Conspicuity
5050 — 5067 Bristol Approach
Southend Approach
5051 — 5067 Liverpool Airport
* 5070 Bristol VFR Conspicuity
* 5070 — 5071 RAF Syerston Conspicuity
5071 — 5076 Bristol Approach
* 5077 Bristol Frequency Monitoring Code (Refer to ENR 1.6, paragraph 2.2.5)
5100 NATO ­ Aircraft receiving a service from AEW aircraft
5101 — 5177 CRC Boulmer
5200 NATO ­ Aircraft receiving a service from AEW aircraft
5201 — 5270 Assigned by CCAMS
5271 — 5277 Transit (ORCAM) Channel Islands
5300 NATO ­ Aircraft receiving a service from AEW aircraft
5301 — 5377 Transit (ORCAM) Barcelona
5400 NATO ­ Aircraft receiving a service from AEW aircraft
5401 — 5477 Assigned by CCAMS
5500 NATO ­ Aircraft receiving a service from AEW aircraft
5501 — 5577 Transit (ORCAM) Barcelona
5600 NATO ­ Aircraft receiving a service from AEW aircraft
5601 — 5647 Transit (ORCAM) Paris
5650 — 5657 Transit (ORCAM) Luxembourg
5660 — 5664 Allocated to NATS as CCAMS redundancy
5665 — 5677 Assigned by CCAMS
5700 NATO ­ Aircraft receiving a service from AEW aircraft
5701 — 5777 Transit (ORCAM) Geneva
Codes/Series Controlling Authority / Function
* 6000 NATO – CAOC Uedem (activated by NOTAM via ASACS Force Command)
* 6001 — 6037 Special Events (Activated by NOTAM)
6040 — 6077 Swanwick (Military)
* 6100 NATO – CAOC Uedem (activated by NOTAM via ASACS Force Command)
6101 — 6157 Swanwick (Military)
* 6160 Doncaster Sheffield Conspicuity
6160 — 6176 Inverness Approach
6160 — 6176 Cambridge Approach
6160 — 6177 Plymouth (Military) Radar
6161 — 6167 Doncaster Sheffield Approach
* 6170 Aircraft operating outside of Doncaster Sheffield Controlled Airspace Zone and Monitoring Doncaster Sheffield Radar frequency (Refer to ENR 1.6, paragraph 2.2.5)
6171 — 6177 Doncaster Sheffield Approach
* 6177 Cambridge Conspicuity
* 6177 Inverness Conspicuity
* 6200 NATO – CAOC Uedem (activated by NOTAM via ASACS Force Command)
6201 — 6257 Assigned by CCAMS
6260 — 6277 Transit (ORCAM) Amsterdam
* 6300 NATO – CAOC Uedem (activated by NOTAM via ASACS Force Command)
6301 — 6377 Assigned by CCAMS
* 6400 NATO – CAOC Uedem (activated by NOTAM via ASACS Force Command)
6401 — 6457 Swanwick (Military) Radar
6460 — 6467 Assigned by CCAMS – Not in use in the UK as these codes cause conflictions with France
6470 — 6477 Allocated to NATS as CCAMS redundancy
* 6500 NATO – CAOC Uedem (activated by NOTAM via ASACS Force Command)
6501 — 6577 CRC Scampton
* 6600 NATO – CAOC Uedem (activated by NOTAM via ASACS Force Command)
6601 — 6677 Transit (ORCAM) Germany
* 6700 NATO – CAOC Uedem (activated by NOTAM via ASACS Force Command)
6701 — 6777 Transit (ORCAM) France
Codes/Series Controlling Authority / Function
* 7000 General conspicuity code (Refer to ENR 1.6, paragraph 2.2.2.2)
* 7001 Military Fixed-wing Low Level Conspicuity/ Climb-out (Refer to ENR 1.6, paragraph 2.2.2.2)
* 7002 Danger Areas General
* 7003 Red Arrows Transit/Display
* 7004 Conspicuity Aerobatics and Display (Refer to ENR 1.6, paragraph 2.2.2.2)
* 7005 High-Energy Manoeuvres
* 7006 Autonomous Operations within TRA and TRA (G) (Refer to ENR 1.6, paragraph 2.2.2.2)
7007 Open Skies Observation Aircraft
* 7010 Operating in Aerodrome Traffic Pattern (Refer to ENR 1.6, paragraph 2.2.2.2)
* 7011 — 7013 Assigned by CAA
7014 — 7017 Allocated to NATS as CCAMS redundancy
7020 — 7027 Assigned by CCAMS
* 7030 RNAS Culdrose Conspicuity
7030 — 7044 Aldergrove Approach
7030 — 7046 TC Thames/TC Heathrow
7030 — 7066 Durham Tees Valley Airport
7030 — 7077 Aberdeen (Northern North Sea Off-shore) (See note 3) 
7031 — 7077 RNAS Culdrose
* 7045 Aircraft operating within 40 miles of Belfast/Aldergrove, operating outside of Belfast/Aldergrove CTR/Belfast TMA and monitoring Belfast/Aldergrove Approach frequency (Refer to ENR 1.6, para 2.2.5)
7046 — 7047 Aldergrove Approach
* 7047 TC Thames (Biggin Hill Airport Conspicuity)
RNAS Culdrose Conspicuity
7050 — 7056 TC Thames/TC Heathrow
* 7057 TC Thames (London City Airport Conspicuity)
* 7066 Lydd Approach VFR
* 7067 Durham Tees Valley Airport Conspicuity
Lydd Approach IFR
7070 — 7076 TC Thames/TC Heathrow
* 7077 TC Thames (London Heliport Conspicuity)
* 7100 SSR Code Saturation
7101 — 7177 Transit (ORCAM) Brussels
7200 RN Ships
7201—7267 Allocated to NATS as CCAMS redundancy
7270 — 7277 Assigned by CCAMS
* 7300 UAS/RPA Lost Link (See note 15)
7301 — 7327 Assigned by CCAMS
7330 — 7347 Transit (ORCAM) Netherlands
* 7350 Norwich Approach Conspicuity
7350 — 7353 RNAS Culdrose
7350 — 7361 MoD Ops in EG D701 (Hebrides)
7350 — 7365 Manchester Approach
7350 — 7376 Bournemouth Approach/LARS
7351 — 7377 Norwich Approach
* 7354 — 7355 RNAS Culdrose Conspicuity
7356 RNAS Culdrose
*7357 RNAS Culdrose Conspicuity
7360—7367 RNAS Culdrose
* 7362 MoD Ops in EG D702 (Fort George)
* 7366 Aircraft operating within 5 nm of Manchester CTR and maintaining a listening watch only on the Manchester Approach frequency (Refer to ENR 1.6, paragraph 2.2.5)
7367 — 7373 Manchester Approach
* 7374 Dundee Airport IFR Procedural Approach
* 7375 Manchester TMA and Woodvale Local Area
(Woodvale UAS Conspicuity)
* 7376 Dundee Airport VFR Conspicuity
* 7377 Bournemouth Radar Conspicuity
* 7400 MPA/DEFRA/Fishery Protection/METMAN
(Civil Contingency) Conspicuity
* 7401 Scottish FIS (Refer to ENR 1.6, paragraph 2.2.2.2)
* 7402 RAF Leuchars Conspicuity
7402 — 7414 TC Stansted/TC Luton
7402 — 7417 RAF Shawbury
7402 — 7436 RNAS Yeovilton
7402 — 7437 Anglia Radar
7403 — 7427 RAF Leuchars
* 7417 Cranfield Airport – IFR Conspicuity Purposes
* 7420 RAF Shawbury Conspicuity
7421 — 7425 RAF Shawbury
* 7426 RAF Shawbury Conspicuity
7427 — 7437 RAF Shawbury
* 7437 RNAS Yeovilton Conspicuity
7440 — 7477 Transit (ORCAM) France
* 7500 Special Purpose Code – Hi-Jacking
7501 — 7507 Assigned by CCAMS
7510 — 7535 Transit (ORCAM) Switzerland
7536 — 7537 Assigned by CCAMS
7540 — 7547 Transit (ORCAM) Germany
7550 — 7567 Transit (ORCAM) Paris
7570 — 7577 Assigned by CCAMS
* 7600 Special Purpose Code – Radio Failure
7601 — 7617 Allocated to NATS as CCAMS Redundancy (Prestwick Upper)
7620 — 7677 Assigned by CCAMS
* 7700 Special Purpose Code – Emergency
7701 — 7775 Assigned by CCAMS
* 7776 — 7777 SSR Monitors (Refer to ENR 1.6, paragraph 2.2.4)