[Tagging] Problem with airport classification

[Mateusz Konieczny]

I mentioned - "some really small airports have this codes".

See - https://www.openstreetmap.org/way/218821049
1048 m of grassy runway, has its own IATA code

2015-01-03 15:30 GMT+01:00 Janko Mihelić <janjko at gmail.com>:

> I'm not an expert, but don't only big airports have the IATA code? Only 9
> airports have the IATA code in Croatia, and about 30 have the ICAO code.
> Maybe you have to meet certain standards to get the IATA code.
>
> Janko Mihelić
>
> 2015-01-03 14:54 GMT+01:00 Christoph Hormann <chris_hormann at gmx.de>:
>
>> On Saturday 03 January 2015, Mateusz Konieczny wrote:
>> > - introducing new key that would allow to decide whatever
>> > airport is important or not
>>
>> Independent from this particular problem manually tagging importance
>> ratings is a really bad idea.  Importance of a feature is nearly always
>> a multi-criterion quantity.  To make such a rating verifiable would
>> require to have a recipe to calculate it from other observable facts -
>> and then it is better to tag these facts rather than the combined
>> rating calculated from them.
>>
>> As i have said on github the runway length would be a fairly good
>> criterion for importance and it is very widely available already (35551
>> nodes aeroway=aerodrome with 31752 ways aeroway=runway).  The problem
>> here is not having this information mapped i think but querying it from
>> the rendering database.
>>
>> --
>> Christoph Hormann
>> http://www.imagico.de/
>>
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>
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