United Kingdom
ABB – RAF Station – airport in Abingdon
ABZ – Dyce – airport in Aberdeen
ACI – The Blaye – airport in Alderney
ADV – Andover – airport in Andover
ADX – Leuchars – airport in St Andrews
AYH – RAF Station – airport in Alconbury
BBP – Bembridge – airport in Bembridge
BBS – Blackbushe – airport in Yateley
BEB – Benbecula – airport in Benbecula
BEQ – Honington – airport in Bury St Edmunds
BEX – RAF Station – airport in Benson
BFS – Aldergrove International Airport – airport in Belfast
BHD – George Best Belfast City – airport in Belfast
BHM – Birmingham – airport in Birmingham
BHX – Birmingham International Airport – airport in Birmingham
BLK – Blackpool Airport – airport in Blackpool
BOH – Bournemouth International – airport in Bournemouth
BOL – Bally Kelly – airport in Bally Kelly
BQH – London Biggin Hill – airport in Biggin Hill
BQQ – Barra – airport in Barra
BRF – Bradford – airport in Bradford
BRR – North Bay – airport in Barra
BRS – Bristol – airport in Bristol
BSH – Brighton – airport in Brighton
BUT – Burtonwood – airport in Burtonwood
BWF – Walney Island – airport in Barrow-In-Furness
BWY – Bentwaters St – airport in Woodbridge
BZZ – Raf Brize Norton – airport in Oxford
CAL – Machrihanish – airport in Campbeltown
CAX – Carlisle – airport in Carlisle
CBG – Cambridge – airport in Cambridge
CEG – Chester – airport in Chester
CJH – Chilko Lake – airport in Chilko Lake
COL – Isle Of Coll – airport in Isle Of Coll
CRN – Cromarty – airport in Cromarty
CSA – Isle Of Colonsay – airport in Isle Of Colonsay
CVT – West Midlands International – airport in Coventry
CWL – Cardiff-wales Arpt – airport in Cardiff
DND – Dundee – airport in Dundee
DOC – Dornoch – airport in Dornoch
DSA – Robin Hood – airport in Doncaster Sheffield
EDI – Turnhouse – airport in Edinburgh
EMA – East Midlands – airport in Derby
ENK – Enniskillen St. Angelo – airport in Enniskillen
EOI – Eday – airport in Eday
ESH – Shoreham – airport in Shoreham By Sea
EWY – Greenham RAF – airport in Newbury
EXT – Exeter – airport in Exeter
FAB – Farnborough – airport in Farnborough
FEA – Fetlar – airport in Fetlar
FFD – RAF Station – airport in Fairford
FIE – Fair Isle – airport in Fair Isle
FKH – Sculthorp RAF – airport in Fakenham
FLH – Flotta – airport in Flotta
FOA – Foula – airport in Foula
FSS – Kinloss – airport in Forres
FWM – Heliport – airport in Fort William
FZO – Filton – airport in Bristol
GLA – Glasgow International – airport in Glasgow
GLO – Gloucestershire – airport in Gloucester
GQJ – RAF Station – airport in Machrihanish
GSY – Binbrook – airport in Grimsby
GUN – Gunter AFB – airport in Montgomery
GXH – NAF – airport in Mildenhall
HAW – Haverfordwest – airport in Haverfordwest
HEN – Hendon – airport in Hendon
HLY – Anglesey Airport – airport in Holyhead
HOY – Hoy Island – airport in Hoy Island
HRT – Linton-On-Ouse – airport in Harrogate
HTF – Hatfield – airport in Hatfield
HTL – Roscommon County – airport in Houghton
HUY – Humberside International – airport in Humberside
HYC – High Wycombe – airport in High Wycombe
ILY – Glenegedale – airport in Islay
INV – Inverness – airport in Inverness
IPW – Ipswich (Closed) – airport in Ipswich
ISC – St Marys – airport in Isles Of Scilly
KEU – Kelly Bar – airport in Kelly Bar
KNF – Marham RAF – airport in Kings Lynn
KOI – Orkney Island – airport in Orkney Island
KYN – Milton Keynes – airport in Milton Keynes
LBA – Leeds/bradford – airport in Leeds
LCY – London City Airport – airport in London
LDY – Eglinton (City of Derry) – airport in Derry
LEQ – Lands End – airport in Lands End
LGW – London Gatwick – airport in London
LHR – London Heathrow – airport in London
LKZ – Lakenheath RAF – airport in Brandon
LMO – RAF Station – airport in Lossiemouth
LPH – Heliport – airport in Lochgilphead
LPL – Liverpool John Lennon – airport in Liverpool
LSI – Sumburgh – airport in Shetland Islands
LTN – London Luton – airport in Luton
LWK – Lerwick/Tingwall – airport in Shetland Islands
LYE – RAF Station – airport in Lyneham
MAN – Manchester – airport in Manchester
MHZ – Mildenhall Arpt – airport in Mildenhall
MME – Durham Tees Valley – airport in Teesside, Durham
MSE – Kent International – airport in Manston
MWS – Mount Wilson – airport in Mount Wilson
NCL – Newcastle Airport – airport in Newcastle
NDY – Sanday – airport in Sanday
NHT – Northolt – airport in Northolt
NQT – Nottingham Airport – airport in Nottingham
NQY – Newquay Cornwall Airport – airport in Newquay
NRL – North Ronaldsay – airport in North Ronaldsay
NWI – Norwich International Airport – airport in Norwich
OBN – Oban Airport – airport in Oban
ODH – RAF Station – airport in Odiham
OKH – Cottesmor RAF – airport in Oakham
ORM – Northampton – airport in Northampton
OUK – Outer Skerries – airport in Outer Skerries
OXF – Oxford (Kidlington) – airport in Oxford
PIK – Prestwick – airport in Prestwick, South Ayrshire
PLH – Plymouth – airport in Plymouth
PME – Portsmouth – airport in Portsmouth
PPW – Papa Westray – airport in Papa Westray
PSL – Perth – airport in Perth
PSV – Papa Stour – airport in Papa Stour
PZE – Penzance – airport in Penzance
QQS – London St. Pancras – airport in Britrail Rail Zone S
QQW – London-Waterloo – airport in London
RAY – Heliport – airport in Rothesay
RCS – Rochester – airport in Rochester
SCS – Scatsta – airport in Shetland Islands
SEN – London Southend – airport in Southend
SKL – Broadford – airport in Isle Of Skye
SOU – Southampton Airport – airport in Eastleigh near Southampton
SOY – Stronsay – airport in Stronsay
SQZ – RAF Station – airport in Scampton
STN – London Stansted – airport in London
SWI – Gypsy – airport in Swindon
SWS – Fairwood Comm – airport in Swansea
SYY – Stornoway – airport in Stornoway
SZD – Sheffield City Airport – airport in Sheffield
TDR – Theodore – airport in Theodore
TRE – Tiree – airport in Tiree
TSO – Tresco – airport in Isles Of Scilly
TUX – Tumbler Ridge – airport in Tumbler Ridge
UHF – RAF Station – airport in Upper Heyford
ULL – Mull – airport in Mull
UNT – Baltasound – airport in Unst Shetland Is
UPV – Upavon – airport in Upavon
WEM – West Malling – airport in West Malling
WFD – Woodford – airport in Woodford
WHS – Whalsay – airport in Whalsay
WIC – Wick – airport in Wick
WOB – Woodbridge RAF – airport in Suttonheath
WRY – Westray – airport in Westray
WTN – RAF Station – airport in Waddington
WUK – Off Line Point – airport in Hammersmith
WWS – USAF Heliport – airport in Wildwood
WXF – Weathersfield Raf – airport in Braintree
XDV – Pr. George Rail Stn – airport in Prince George
XDW – Pr. Rupert Rail Stn – airport in Prince Rupert
YEO – Yeovilton – airport in Yeovilton
YSS – Slate Island – airport in Slate Island
YXQ – Beaver Creek – airport in Beaver Creek
ZDU – ScotRail – airport in Dundee
ZFZ – Buffalo Depew Rr – airport in Buffalo
ZGG – ScotRail – airport in Glasgow
ZIV – ScotRail – airport in Inverness
ZLX – British Rail Terminal – airport in London
ZRT – Hartford CT Rail – airport in Hartford
ZWB – Williamsburg Rail – airport in Hampton
ZWW – Newport News Rail – airport in Hampton
ZXP – ScotRail – airport in Perth