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Info

title	AIXM 5.2 Improvements

A change proposal (AIXM-414) for the next AIXM 5.2 version has been approved by the AIXM Change Control Board, which adds a name attribute for the airspace volume.

The coding guidelines provided here are aligned with forward/backward conversion rules contained in the AIXM-414 Change Proposal.

Type

Whereas for the name the encoding in AIXM is quite obvious, the type of an airspace may have to be derived from some of its characteristics, e.g. the activity taking place or the kind of access restrictions that it enforces.

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In case the designator is published in the ICAO Doc 7190, also the attribute designatorICAO should be encoded accordingly with 'YES'.

Code Block

language	xml
title	Coding Example Fragment (DONLON)
collapse	true

<aixm:AirspaceTimeSlice gml:id="ASE_AMSWELL_FIR">
	...
	<aixm:type>FIR</aixm:type>
	<aixm:designator>EAAD</aixm:designator>
	<aixm:name>AMSWELL</aixm:name>
	<aixm:designatorICAO>YES</aixm:designatorICAO>
	...
</aixm:AirspaceTimeSlice>

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PANS-AIM

type

localType

controlType

designator

designatorICAO

Remarks concerning Airspace.type

Remarks concerning Airspace.designator

FIR / UIR

'FIR'

NA

optional

mandatory

'YES'

The coded identifier shall be the one published in ICAO DOC 7910; if none, then the location indicator of the related FIC [Flight Information Center] shall be used.

Examples:

Langen FIR, EDGG

Brussels UIR, EBUR

TMA

'TMA'

NA

optional

a. the ICAO Doc 7910 location indicator of the airspace or, in case it is not defined, the location indicator of the ATC centre providing services in the airspace;

b. if there is no major ATC centre providing services in the airspace or if it does not have a location indicator, use the location indicator of the major airport situated within the airspace; or

c. define a 4-letter code using the ICAO Country Code (provided in ICAO Doc 7910) and a unique combination of two letters such as the airspace identifier is not duplicated within the State or territory concerned for the same airspace type.

Examples

Tallin CTA (also Tallin ACC), EETT

Palma TMA (also Palma TACC), LECP

Luxembourg TMA, ELLX

Split CTR, LDSP

CTA / UTA / OCA

'CTA', 'UTA', 'OCA'

NA

optional

UTA & OCA are Non-ICAO Recognized types of airspaces, but special types of control area, which are frequently used and published in AIPs.

CTR

'CTR'

NA

optional

ATZ / HTZ

'ATZ, 'HTZ'

NA

optional

a. the ICAO Doc 7910 location indicator of the airspace;

b. if it does not have a location indicator, use the location indicator of the related airport/heliport situated within the airspace;

c. if there is no related airport/heliport or there are more than one airport/heliport situated within the airspace

nationality letters for location indicators assigned to the State or territory, which has established the airspace followed by
the airspace type and
a combination of up to to 5 digits and / or letters unduplicated within the State or territory concerned for the same airspace type

Examples:

Zvekovac ATZ, LDZE

Borwin Alpha HTZ, EHHJ

Ameland HPZ, EHHPZAMEL

Schinveld ATZ, EHATZSV

Woensdrecht ATZ, EHATZWO

Coningsby MATZ, EGXC

Prohibited Area

'P'

NA

optional

mandatory

optional

For airspace affected by special activities the coded identifier shall be composed of a group of digits and / or letters as follows:

nationality letters for location indicators assigned to the State or territory, which has established the airspace; followed by
a letter
- P - for Prohibited Areas (P)
- R - for Restricted Areas (R)
- D - for Danger Areas (D)
- E - for Reduced/Prior Co-ordination Airspace Procedure (RCA)
- Z - for Air Defence Identification Zone (ADIZ)
- W - for Warning Areas (W)
- A - for Alert Areas (A)
- V - for other activities of dangerous nature (D-OTHER)
- X - for airspace protected from specific air traffic (PROTECT)
- S - for other regulated airspace, not otherwise covered (RAS)
followed by
a combination of up to 7 digits and / or letters, unduplicated within the State or territory concerned for the same airspace type.

Examples:

DROTTNINGHOLM restricted area, ESR24

MONT GRAND MORNE alert area, CYA619

MATHIATIS danger area, LCD21

ECHTEN area PJE, EHVECHTEN

GREDA (SINJ) protected area, LDX90

LESMO area, LHSLESMO

For regulated airspace with activity ‘ATS’ the coded identifier shall be defined as follows:

a. the ICAO Doc 7910 location indicator of the airspace;

b. if it does not have a location indicator, use the location indicator of the related airport/heliport situated within the airspace;

c. if there is no related airport/heliport situated within the airspace or in case the coded identifier is duplicated (e.g. TIZ and TIA with the same related airport)

nationality letters for location indicators assigned to the State or territory, which has established the airspace followed by
the airspace type and
a combination of up to 5 digits and / or letters not duplicated within the State or territory concerned for the same airspace type

Examples:

Sveg TIZ, ESTIZESND

Sveg TI, ESTIAESND

Parnu FIZ, EEPU

Lelystad AFIZ, EHAFIZLE

The coded identifier of special use airspace that do not fall under the rules above, shall be composed as follows:

a. nationality letters for location indicators assigned to the State or territory, which has established the airspace; and

b. three letters for:

TSA - for Temporary Segregated Areas (TSA)
TRA - for Temporary Reserved Areas (TRA)
ALT - for Altimeter Setting Region (ASR)
PLT - for Political / Administrative Area

and

c. a combination of up to 5 digits and / or letters unduplicated within the State or territory concerned for the same airspace type.

Examples:

TSA-LO-RENINGE UAV AREA, EBTSA15

TRA-LANGELAND (LAN), EKTRALAN

TRA-PAPA ALPHA, LHTRA11A

For P, D, R areas where the coded identifier ends with a number, if the part is also identified with a number, then a separator character ('-') should be added before the digits of the part. For example, EDR11-1, EDR11-2. This is necessary in order to avoid confusion between EDR11-1 (part 1 of Restricted Area 11 in Germany) and EDR111 (Restricted Area 111).

Examples:

Germany Restricted Area 111, EDR111

Germany part 1 of Restricted Area 11, EDR11-1

Germany part 2 of Restricted Area 11, EDR11-2

Restricted Area

'R'

NA

optional

mandatory

optional

Danger Area

'D'

NA

optional

mandatory

optional

Military exercise and training areas

'TSA', 'TRA', 'MTR', 'PROTECT', 'D_OTHER', 'OTHER'

as applicable

'MIL', 'JOINT'

optional

In case no specific type is applicable, 'PROTECT' or 'D-OTHER' or 'OTHER' may be used for the coding. In addition a corresponding localType may be encoded.

Other activities of a dangerous nature

'D_OTHER'

as applicable

optional

Aerial sporting and recreational activities

'A', 'D_OTHER', 'OTHER'

as applicable

optional

Also another type may be used if applicable.

Air Defence Identification Zone (ADIZ)

'ADIZ'

NA

'MIL'

optional

Flexible Use of Airspace (FUA) types

'TRA', 'TSA', 'CBA' and 'RCA'

NA

optional

Other special activity airspace types

'W', 'A', 'POLITICAL', 'ASR',

as applicable

optional

'A' and 'W' are mainly used in North America, but also in other regions world-wide.

'POLITICAL' is used for aviation relevant regions like ICAO regions, ECAC, etc., but can a also be used for non-aviation related regions like States, Provinces, etc.

Traffic Information Zone

OTHER:FIZ

TIZ

optional

NA

Info

title	AIXM 5.2 Improvements

A change proposal (AIXM-574) for the next AIXM 5.2 version has been approved by the AIXM Change Control Board, which adds 'FIZ' (Flight Information Zone).

The coding guidelines provided here are aligned with forward/backward conversion rules contained in the (AIXM-574) Change Proposal.

Traffic Information Area

OTHER:FIZ

TIA

optional

NA

Info

title	AIXM 5.2 Improvements

A change proposal (AIXM-574) for the next AIXM 5.2 version has been approved by the AIXM Change Control Board, which adds 'FIZ' (Flight Information Zone).

The coding guidelines provided here are aligned with forward/backward conversion rules contained in the (AIXM-574) Change Proposal.

Parts

'FIR-P', 'UIR-P', 'TMA-P', 'CTA-P', 'UTA-P', 'OCA-P', 'CTR-P'', 'ATZ-P', 'PART'

NA

optional

These types of airspaces are used as components to define the whole airspace of that type.

'PART' is an artificial airspace, which can solely be used as parent in the scope of an Airspace Aggregation (see section Geometry of Airspace).

a. the four-letter coded identifier of the child airspace (FIR, CTA, TMA, etc.), followed by;

b. a combination of up to 6 digits and / or letters, unduplicated within the composition of the child airspace

Examples:

FIR-P, ENOR1

CTA-P – Debrecen CTA1, LHDC1

TMA-P – Brussels TMA NINE A, EBBR9A

The coded identifier of the airspace of type 'PART' shall be composed by:

a. nationality letters for location indicators assigned to the State or territory, which has published the airspace; followed by

b. a combination of up to 8 digits and / or letters unduplicated within the State or territory concerned for the same airspace type.

If the airspace type PART is used to define a child airspace with an already published ICAO location indicator, it is recommended to compose the code identifier of the airspace type PART by

the ICAO Doc 7910 location indicator of the child airspace followed by
a number unduplicated within the State or territory concerned for the same airspace type

Examples:

Airspace within Belgium part of a sector, EB00001

Airspace within Spain part of Sevilla TMA, LECS2

Class

'CLASS'

NA

optional

Some countries publish ATS airspaces in ENR 2.1 according to their class and not as defined types (e.g. AIP Germany). AIXM 5 provides also a dedicated 'CLASS' value for Airspace.type.

The rule defined for TMA may be applied.

Airway

'AWY'

as applicable

optional

Airway (corridor). A control area or portion thereof established in the form of a corridor.

a. nationality letters for location indicators assigned to the State or territory, which has established the airspace; followed by

b. the route designator of the route segment the AWY is based on

Example: AWY L179 corridor, EHL179

National Airspace Structure

'NAS'

NA

optional

For airspace of type NAS (National Airspace Structure - usually, the assembly of all FIR and UIR belonging to one State) the coded identifier shall be the nationality letter(s) of the state concerned.

Examples:

United Kingdom, EG

Hungary, LH

Control sector, Temporary consolidated (collapsed) sector.

'SECTOR', 'SECTOR_C'

NA

optional

a. If a SECTOR or SECTOR-C is part of an ATS airspace (e.g. CTA, UTA, TMA, etc.) the coded identifier shall be defined as follows:

the coded identifier of the ATS airspace the SECTOR or SECTOR-C is part of; followed by
a combination of up to 6 digits and / or letters, unique for that ATS airspace.

b. If there is no ATS airspace the SECTOR or SECTOR-C is part of, the coded identifier shall be composed of:

the ICAO Country code; followed by
a combination of up to 8 digits and / or letters unduplicated within the State or territory concerned for the same airspace type.

Examples:

SECTOR within CTA LZBB, LZBBE7

SECTOR-C within CTA EPWW, EPWWTC

SECTOR within TAMPERE CTA, EFESIN1

SECTOR (VERAM) within LISBOA FIR, LPVERAM

Airspace for which not even an FIR is defined.

'NO-FIR'

NA

optional

There are parts in the world for which there is neither an FIR nor any other airspace-type is defined. These airspaces will be marked as NO-FIR .

The coded identifier of the airspace of type NO-FIR shall be composed by the letters “XX” followed by a combination of up to 8 digits and / or letters, unduplicated for the same airspace type.

Example: ANDORRA NO-FIR, XXANDORRA

Minimum altitude area.

'AMA'

NA

optional

'AMA' (Minimum Altitude Area) is published by many States as rectangles of 1 x 1 degree on the ENR 6 or AD SID/STAR charts.

a. nationality letters for location indicators assigned to the State or territory, which has published the airspace; followed by

b. three letters: ‘AMA’; followed by

c. a combination of 5 digits and letters (allowed letter values are: N,S,E or W) defined as follows;

the lower left corner point of the square defining the AMA shall be taken into consideration. Lower left corner point latitude and longitude are always expressed as full degree values so the following diagram applies for the composition of the coded identifier:

Examples:

AMA published by Sweden: ESAMA5713E

Coordinates of the lower left corner of the square: 570000N 0130000E

AMA published by Czech Republic: LKAMA4912E

Coordinates of the lower left corner of the square: 490000N 0120000E

Military Operations Area

'OTHER:MOA'

Military Operations Area

optional

NA

necessary for Digital NOTAM, SAA.ACT and SAA.NEW scenarios

See rules for Military exercise and training areas

Remote Conflict Zone

'OTHER:RCZ'

Remote Conflict Zone

optional

NA

In support to the ICAO Remote Conflict Zone notification concept

Free Route Airspace

'OTHER:FRA'

FRA

optional

mandatory

NA

Airspace types related to the European Free Route Airspace concept.

Info

title	AIXM 5.2 Improvements

A change proposal (AIXM-574) for the next AIXM 5.2 version has been approved by the AIXM Change Control Board, which adds 'FRA', 'FBZ' and 'NPA' as airspace types.

The coding guidelines provided here are aligned with forward/backward conversion rules contained in the (AIXM-574) Change Proposal.

Flight Plan Buffer Zone

'OTHER:FBZ'

FBZ

optional

mandatory

NA

No Planning Zone

'OTHER:NPZ'

NPZ

optional

mandatory

NA

Radio Mandatory Zone

'OTHER:RMZ'

RMZ

optional

mandatory

NA

Supports the coding of airspace specified in the standardised European rules of the air.

Info

title	AIXM 5.2 Improvements

A change proposal (AIXM-574) for the next AIXM 5.2 version has been approved by the AIXM Change Control Board, which adds 'RMZ' and 'TMZ' as airspace types.

The coding guidelines provided here are aligned with forward/backward conversion rules contained in the (AIXM-574) Change Proposal.

Transponder Mandatory Zone

'OTHER:TMZ'

TMZ

optional

mandatory

NA

...

Tip

title	AIP context

In an AIP information about the name, designator and type of an airspace may be published in various ways.

The figure below shows the basic data of airspaces as they may be published in ENR 2.1

The figure below shows the basic data of airspaces as they may be published in AD 2.17.

Although AD 2.17 states "designation" the information published, will be rather encoded as the Airspace.name and not as the Airspace.designator.

The figure below shows the basic data of airspaces as they may be published in ENR 5.1.

The figures below show the basic data of airspaces as they may be published in ENR 5.2.

In this example the airspaces may have the generic type 'PROTECT' or 'D-OTHER' as there is no specific AIXM value for that kind of types. Also 'OTHER:MIL' may be used. The localType should then be used to encode the full textual name of the actual airspace type, e.g 'TRAINING AREA'.

In the following example the airspaces will be coded with type TRA or TSA (and not PROTECT, as there are dedicated types for that airspaces).

In this example the airspaces may not only have a name but also be coded with a designator, as published.

The figure below shows the basic data of airspaces as they may be published in ENR 5.3.

In this case airspace will carry different types. If available the specific type will be used , i.e. HTZ, if not the gerenric generic type D-OTHER will be used.

The figures below show the basic data of airspaces as they may be published in ENR 5.5

In this example the generic type PROTECT will be used as type for the airspaces.

In addition to the airspace name also a designator with may be coded which will be the same as the name.

.

In some AIPs in ENR 5.5 also specific types are listed, like in the example below where airspaces of type TRA are published.

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Coding Examples

See topic Airspace [ASE].

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