Non-official aerodrome codes in the UK: X2BS, X2BO, ....
It is a bit of a problem in several large countries: there are only 26x26 ICAO codes available and there are many more airfields than that, so that only the biggest get an ICAO code. Such is the situation in UK, France, Germany, Italy, Spain, ...
Various people have come up with various alternative codings for the rest of aerodromes. I quite like the French system of LFddnn where dd indicates the département, in two digits, and nn are two more digits as a sequential counter.
But recently I found a curious codification scheme for UK aerodromes, some samples are below. Whence comes this codification? Is it still being kept up?
X2BS Binstead Airfield
X2BO Bowldown Farm Airstrip
X3SH Streethay Farm Airstrip
X3AL Allensmore Airfield
X3BX Baxterley Aerodrome
X3BT Boughton North Airfield
Last edited by Jan Olieslagers; 24th Jul 2017 at 16:28.