CodeAirportHeliportNMDesignatorBaseType
http://www.aixm.aero/schema/5.1.1/extensions/EUR/ADR:CodeAirportHeliportNMDesignatorBaseType
A valid Aerodrome designator._x000D_ The NM designator, when assigned, is unique across all Aerodromes. The Aerodrome.designator begins with a country code. The icaoCountryCode can be 1 or 2 characters long. The other characters must be according to the following REGEXP pattern: - in case of 2 character country code: _x000D_ [0-9A-Z][0-9] | [0-9][0-9A-Z]_x000D_ - in case of 1 character country code: _x000D_ [0-9A-Z][0-9A-Z][0-9] | [0-9A-Z][0-9][0-9A-Z] | [0-9][0-9A-Z][0-9A-Z]_x000D_ >In some cases, only the first character of the icaoCountryCode may be used in case there are insufficient unique designators for a Country.
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Details
CodeAirportHeliportNMDesignatorBaseType
CodeAirportHeliportNMDesignatorBaseType
A valid Aerodrome designator._x000D_
The NM designator, when assigned, is unique across all Aerodromes.
The Aerodrome.designator begins with a country code.
The icaoCountryCode can be 1 or 2 characters long.
The other characters must be according to the following REGEXP pattern:
- in case of 2 character country code: _x000D_
[0-9A-Z][0-9] | [0-9][0-9A-Z]_x000D_
- in case of 1 character country code: _x000D_
[0-9A-Z][0-9A-Z][0-9] | [0-9A-Z][0-9][0-9A-Z] | [0-9][0-9A-Z][0-9A-Z]_x000D_
>In some cases, only the first character of the icaoCountryCode may be used in case there are insufficient unique designators for a Country.
Notes
Modelling convention. Sounds like a codelist in AIXM terminology