Transport Networks

Transport networks, also known as transportation or transit networks, are interconnected systems that facilitate the movement of people, goods, and information within and between different geographical locations. Identifies the routes, infrastructure and zones of rail, air, and environmentally friendly transport options. The majority of features under this data theme for the Queensland Digital Topographic data are considered Transport infrastructure.

This theme includes the following feature classes:

Airport Areas
Airport Runways and Taxiways
Air Traffic Control Towers
Busway Stations
Green bridges
Helipads
Landing Ground
Toll Points
Railways
Railway and Sidings
Railway Bridges and Overpasses
Railway Tunnels
Road Bridges and Overpasses
Road Tunnels
Queensland Road and Tracks*
No longer recorded under Topographic schema. See Queensland Roads and Tracks.

Airport Areas

A polygon feature class displaying the extent of sections or zones within and around an airport, usually incorporating runways, aircraft maintenance and passenger facilities.

Attribute Schema:

Airport Areas
A polygon feature class displaying the extent of sections or zones within and around an airport, usually incorporating runways, aircraft maintenance and passenger facilities.
Column Name	Nulls	Format	Size	Description	Constraints
FEATURE_TYPE	No	Text	50	Unique feature type that identifies the type of feature. Options: Airport Area
FUNCTION	No	Text	30	A description of the function of the airport. Options: Aerodrome Domestic Airport International Airport Regional Airport	dm_airport_ function
NAME	Yes	Text	100	The name of the feature (if available)
ATTRIBUTE_SOURCE	No	Text	100	If the feature is named, the attribute_source is the source imagery, map, or data from which the features name has been obtained. If the feature is not named, the attribute_source is the source imagery, map, or data used to define what the feature type is.
ATTRIBUTE_DATE	No	Date		Date of the source imagery, map, or data used for attributing the feature.
ADDITIONAL_NAMES	Yes	Text	100	The feature may be commonly known by other names or have different spelling. Multiple additional names can be shown and separated by a comma.
ADD_NAMES_SOURCE	Yes	Text	100	The source map or data that the additional names were obtained. Multiple sources can be shown, separated by a comma. If multiple sources are shown, the written sequence will be the same as the written sequence of the names themselves.
FEATURE_SOURCE	No	Text	100	The source imagery, map, or data that the spatial location and shape of the of the feature was obtained from.
FEATURE_DATE	No	Date		Date of the feature source information that the location of the feature was obtained from.
OPERATIONAL_STATUS	No	Text	20	The operational status of the feature. Options: Abandoned Dismantled Operational Non Operational Proposed Under Construction	dm_aviation_ status
USAGE	No	Text	20	The description of the type of civil and/or military use of the feature. Options: Civil Civil - Military Military	dm_aviation_ usage
PFI	No	Text		A Persistent Feature Identifier (PFI) is generated for each feature at the point of creation in the database. The value of the PFI will stay with the feature through all changes to the feature (both spatial and non-spatial) until the feature is retired. (See Persistent and Unique Feature Identifiers)
UFI	No	Text		A Unique Feature Identifier (UFI) is generated for each new feature at the point of creation in the database (at this point the PFI and UFI will be the same). The value of the UFI will stay with the feature through all changes to the feature (both spatial and non-spatial) unless the feature is split into multiple other parts. If the feature is split, the separate parts will retain the original PFI but new UFI’s will be generated for the split parts. (See Persistent and Unique Feature Identifiers)
CREATED_DATE*	No	Date		The date the feature was originally captured and first loaded to the database *internal use only
LAST _EDITED_DATE	No	Date		Date of the last editing or revision to the feature *internal use only
DIMENSION_M2	No	Double		The area of the feature measured in square metres GDA2020
UPPER_SCALE	No	Long		The upper scale for which the feature should be considered suitable for digital display.	dm_upper_scale
TEXT_NOTE	Yes	Text	50	For mapping purposes. Additional annotation that can be shown on a map.
ADD_INFORMATION	Yes	Text	255	A comment field (additional information)

Feature Type definitions:

Feature Types:

Airport Area – The area set aside for use as a licenced, certified or registered facility by the Civil Aviation Safety Authority, usually equipped with runways, taxiways and aircraft maintenance and passenger facilities.

Function definitions:

Aerodrome – An area of land or water, the use of which as an aerodrome is authorised under the regulations, intended to be used wholly or partly for the arrival, departure, or movement of aircraft. (including any buildings, installations, and equipment).

Domestic Airport – An airport that provides access to intrastate and interstate flights (no custom or immigration facilities available)

International Airport – Designated as an airport of entry and departure for international air traffic where customs, immigration, public health, animal, and plant quarantine checks are carried out. Also, can receive scheduled domestic and regional airline traffic.

Regional Airport - All non-principal state airports including rural and remote airports, they provide limited scheduled flights. (no custom or immigration facilities available)

Usage:

Civil – Primarily used by civilian aircraft

Civil_Military – Used by both civilian and military aircraft on a regular basis

Military – Restricted to military use only *not often mapped due to restrictions.

Upper scale:

Individual features may not agree with the following specifications to improve mapping legibility.

1:100 000 – < 250,000 m²

1:250 000 – >/= 250,000 m² and < 1,000,000 m²

1:1 000 000 – >/= 1,000,000 m²

AERODROME

Definition: An area of land or water, the use of which as an aerodrome is authorised under the regulations, intended to be used wholly or partly for the arrival, departure, or movement of aircraft. (including any buildings, installations, and equipment).

Alternate Terms: Military installation

· Capture as a 2D polygon

· If appropriate, the cadastre is used to delineate the extent of the feature, including facilities and associated grounds

· If the cadastre does not represent the maintained or used area of the feature, the extent can be plotted from orthorectified imagery (the extent may follow fence lines, maintained area or in combination with the cadastre)

· Locations can be obtained from other datasets, existing mapping, address details, tourist publications, organisations, Government websites, or other source material.

DOMESTIC AIRPORT

Definition: An airport that provides access to intrastate and interstate flights (no custom or immigration facilities available).

Alternate Terms:

· Capture as a 2D polygon

· If appropriate, the cadastre is used to delineate the extent of the feature, including facilities and associated grounds

· If the cadastre does not represent the maintained or used area of the feature, the extent can be plotted from orthorectified imagery (the extent may follow fence lines, maintained area or in combination with the cadastre)

· Locations can be obtained from other datasets, existing mapping, address details, tourist publications, organisations, Government websites, or other source material.

INTERNATIONAL AIRPORT

Definition: Designated as an airport of entry and departure for international air traffic where customs, immigration, public health, animal, and plant quarantine checks are carried out. Also, can receive scheduled domestic and regional airline traffic.

Alternate Terms:

· Capture as a 2D polygon

· If appropriate, the cadastre is used to delineate the extent of the feature, including facilities and associated grounds

· If the cadastre does not represent the maintained or used area of the feature, the extent can be plotted from orthorectified imagery (the extent may follow fence lines, maintained area or in combination with the cadastre)

· Locations can be obtained from other datasets, existing mapping, address details, tourist publications, organisations, Government websites, or other source material.

REGIONAL AIRPORT

Definition: All non-principal state airports including rural and remote airports, they provide limited scheduled flights. (no custom or immigration facilities available)

Alternate Terms:

· Capture as a 2D polygon

· If appropriate, the cadastre is used to delineate the extent of the feature, including facilities and associated grounds

· If the cadastre does not represent the maintained or used area of the feature, the extent can be plotted from orthorectified imagery (the extent may follow fence lines, maintained area or in combination with the cadastre)

· Locations can be obtained from other datasets, existing mapping, address details, tourist publications, organisations, Government websites, or other source material.

Capture Process:

Airport Runways and Taxiways

A polygon feature class displaying the extents of airport infrastructure that facilitate the movement of aircraft on the ground.

Attribute Schema:

Airport Runways and Taxiways
A polygon feature class displaying the extents of airport infrastructure that facilitate the movement of aircraft on the ground.
Column Name	Nulls	Format	Size	Description	Constraints
FEATURE_TYPE	No	Text	50	Unique feature type that identifies the type of feature. Options: Apron Runway Taxiway	dm_airport_ runway
NAME	Yes	Text	100	The name of the feature (if available) Is only populated for a runway feature The name should be that of the airport as named. The suffix of 'Airport' or 'Aerodrome' will be included in the name e.g., Cairns Airport
ATTRIBUTE_SOURCE	No	Text	100	If the feature is named, the attribute_source is the source imagery, map, or data from which the features name has been obtained. If the feature is not named, the attribute_source is the source imagery, map, or data used to define what the feature type is.
ATTRIBUTE_DATE	No	Date		Date of the source imagery, map, or data used for attributing the feature.
ADDITIONAL_NAMES	Yes	Text	100	The feature may be commonly known by other names or have different spelling. Multiple additional names can be shown and separated by a comma.
ADD_NAMES_SOURCE	Yes	Text	100	The source map or data that the additional names were obtained. Multiple sources can be shown, separated by a comma. If multiple sources are shown, the written sequence will be the same as the written sequence of the names themselves.
FEATURE_SOURCE	No	Text	100	The source imagery, map, or data that the spatial location and shape of the of the feature was obtained from.
FEATURE_DATE	No	Date		Date of the feature source information that the location of the feature was obtained from.
OPERATIONAL_STATUS	No	Text	20	The operation status of the feature. Options: Abandoned Dismantled Operational Non Operational Proposed Under Construction	dm_aviation_ status
SURFACE	No	Text	10	A description of the landing surface. Options: Grass Gravel Sealed	dm_aviation_ surface
USAGE	No	Text	20	The description of the type of civil and/or military use of the feature. Options: Civil Civil - Military Military	dm_aviation_ usage
PFI	No	Text		A Persistent Feature Identifier (PFI) is generated for each feature at the point of creation in the database. The value of the PFI will stay with the feature through all changes to the feature (both spatial and non-spatial) until the feature is retired. (See Persistent and Unique Feature Identifiers)
UFI	No	Text		A Unique Feature Identifier (UFI) is generated for each new feature at the point of creation in the database (at this point the PFI and UFI will be the same). The value of the UFI will stay with the feature through all changes to the feature (both spatial and non-spatial) unless the feature is split into multiple other parts. If the feature is split, the separate parts will retain the original PFI but new UFI’s will be generated for the split parts. (See Persistent and Unique Feature Identifiers)
CREATED_DATE*	No	Date		The date the feature was originally captured and first loaded to the database *internal use only
LAST_EDITED_DATE*	No	Date		Date of the last editing or revision to the feature *internal use only
DIMENSION_M2	No	Double		The area of the feature measured in square metres GDA2020
UPPER_SCALE	Yes	Long		The upper scale for which the feature should be considered suitable for digital display.	dm_upper_scale
TEXT_NOTE	Yes	Text	50	For mapping purposes. Additional annotation that can be shown on a map.
ADD_INFORMATION	Yes	Text	255	A comment field (additional information)

Feature Type definitions:

Apron – The defined area of an airport or aerodrome where aircraft are parked, loaded, unloaded, refuelled, boarded, or maintained.

Runway – The defined area of an airport or aerodrome (a straight path) used by aircraft for landing and take-off.

Taxiway – The defined area of an airport or aerodrome connecting runways to the aprons and the terminals.

Usage:

Civil – Primarily used by civilian aircraft

Civil_Military – Used by both civilian and military aircraft on a regular basis

Military – Restricted to military use only. *not often mapped due to restrictions.

Upper scale:

Individual features may not agree with the following specifications to improve mapping legibility.

1:100 000 – all Aprons/Taxiways and abandoned Runways

1:250 000 – all Runways except abandoned Runways

Capture Process:

APRON

Definition: The defined area of an airport or aerodrome where aircraft are parked, loaded, unloaded, refuelled, boarded, or maintained.

Alternate Terms:

· Capture the marked apron area as a 2D polygon

· The marked apron is plotted from orthorectified imagery

· The surfaced area outside of the marked apron is not included

· If the apron is not marked, the extent is shown as the edge of bitumen or concrete

· Locations can be obtained from other datasets, existing mapping, organisations, Government websites, or other source material.

RUNWAY

Definition: The defined area of an airport or aerodrome (a straight path) used by aircraft for landing and take-off.

Alternate Terms:

· Capture the marked runway area as a 2D polygon

· The marked runway area is plotted from orthorectified imagery

· The surfaced area outside of the marked runway area is not included

· If the runway area is not marked, the extent is shown as the edge of bitumen or concrete

· Locations can be obtained from other datasets, existing mapping, organisations, Government websites, or other source material.

TAXIWAY

Definition: The defined area of an airport or aerodrome connecting runways to the aprons and the terminals.

Alternate Terms:

· Capture the marked taxiway area as a 2D polygon

· The marked taxiway area is plotted from orthorectified imagery

· The surfaced area outside of the marked taxiway area is not included

· If the taxiway area is not marked, the extent is shown as the edge of bitumen, concrete, gravel, or grass

· Locations can be obtained from other datasets, existing mapping, organisations, Government websites, or other source material.

Air Traffic Control Towers

A point feature class displaying the location of air traffic control towers.

Attribute Schema:

Air Traffic Control Towers
A point feature class displaying the location of air traffic control towers.
Column Name	Nulls	Format	Size	Description	Constraints
FEATURE_TYPE	No	Text	50	Unique feature type that identifies the type of feature. Options: Air Traffic Control Tower
NAME	No	Text	100	The name of the feature The name should be that of the airport as named. The suffix of 'Air Traffic Control Tower' will be included in the name e.g., Brisbane Air Traffic Control Tower
ATTRIBUTE_SOURCE	No	Text	100	If the feature is named, the attribute_source is the source imagery, map, or data from which the features name has been obtained. If the feature is not named, the attribute_source is the source imagery, map, or data used to define what the feature type is.
ATTRIBUTE_DATE	No	Date		Date of the source imagery, map, or data used for attributing the feature.
ADDITIONAL_NAMES	Yes	Text	100	The feature may be commonly known by other names or have different spelling. Multiple additional names can be shown and separated by a comma.
ADD_NAMES_SOURCE	Yes	Text	100	The source map or data that the additional names were obtained. Multiple sources can be shown, separated by a comma. If multiple sources are shown, the written sequence will be the same as the written sequence of the names themselves.
FEATURE_SOURCE	No	Text	100	The source imagery, map, or data that the spatial location of the feature was obtained from.
FEATURE_DATE	No	Date		Date of the feature source information that the location of the feature was obtained from.
USAGE	No	Text	20	The description of the type of civil and/or military use of the feature. Options: Civil Civil - Military Military	dm_aviation_ usage
PFI	No	Text		A Persistent Feature Identifier (PFI) is generated for each feature at the point of creation in the database. The value of the PFI will stay with the feature through all changes to the feature (both spatial and non-spatial) until the feature is retired. (See Persistent and Unique Feature Identifiers)
UFI	No	Text		A Unique Feature Identifier (UFI) is generated for each new feature at the point of creation in the database (at this point the PFI and UFI will be the same). The value of the UFI will stay with the feature through all changes to the feature (both spatial and non-spatial) unless the feature is split into multiple other parts. If the feature is split, the separate parts will retain the original PFI but new UFI’s will be generated for the split parts. (See Persistent and Unique Feature Identifiers)
CREATED_DATE*	No	Date		The date the feature was originally captured and first loaded to the database *internal use only
LAST_EDITED_DATE*	No	Date		Date of the last editing or revision to the feature *internal use only
UPPER_SCALE	Yes	Long		The upper scale for which the feature should be considered suitable for digital display.	dm_upper_scale
TEXT_NOTE	Yes	Text	50	For mapping purposes. Additional annotation that can be shown on a map.
ADD_INFORMATION	Yes	Text	255	A comment field (additional information)

Feature Type definitions:

Air Traffic Control Tower – A structure that houses the personnel and equipment used to direct and control the flow of air traffic in a specified airspace.

Usage:

Civil – Primarily used by civilian aircraft

Civil_Military – Used by both civilian and military aircraft on a regular basis

Military – Restricted to military use only*not often mapped due to restrictions.

Upper scale:

Upper_scale:

1:100 000 – all data

Capture Process:

AIR TRAFFIC CONTROL TOWER

Definition: A structure that houses the personnel and equipment used to direct and control the flow of air traffic in a specified airspace.

Alternate Terms: Control Tower

· Capture as a 2D point at the base of the feature

· The location is plotted from orthorectified imagery

· Location can be obtained from AirServices Australia

· Locations can be obtained from other datasets, existing mapping, organisations, Government websites, or other source material.

· Reference with “Airport Areas” feature class data set

Busway Stations

A point feature class displaying the location of busway stations on a dedicated busway network.

Attribute Schema:

Busway Stations
A point feature class displaying the location of busway stations on a dedicated busway network.
Column Name	Nulls	Format	Size	Description	Constraints
FEATURE_TYPE	No	Text	50	Unique feature type that identifies the type of feature. Options: Busway Station
NAME	No	Text	100	The name of the feature
ATTRIBUTE_SOURCE	No	Text	100	If the feature is named, the attribute_source is the source imagery, map, or data from which the features name has been obtained. If the feature is not named, the attribute_source is the source imagery, map, or data used to define what the feature type is.
ATTRIBUTE_DATE	No	Date		Date of the source map, or data where the name of the feature was obtained.
ADDITIONAL_NAMES	Yes	Text	100	The feature may be commonly known by other names or have different spelling. Multiple additional names can be shown and separated by a comma.
ADD_NAMES_SOURCE	Yes	Text	100	The source map or data that the additional names were obtained. Multiple sources can be shown, separated by a comma. If multiple sources are shown, the written sequence will be the same as the written sequence of the names themselves.
FEATURE_SOURCE	No	Text	100	The source imagery, map, or data that the spatial location of the feature was obtained from.
FEATURE_DATE	No	Date		The source imagery, map, or data that the spatial location of the feature was obtained from.
BUSWAY_NAME	No	Text	50	The name of the busway that the busway station is located on e.g., Northern Busway
PFI	No	Text		A Persistent Feature Identifier (PFI) is generated for each feature at the point of creation in the database. The value of the PFI will stay with the feature through all changes to the feature (both spatial and non-spatial) until the feature is retired. (See Persistent and Unique Feature Identifiers)
UFI	No	Text		A Unique Feature Identifier (UFI) is generated for each new feature at the point of creation in the database (at this point the PFI and UFI will be the same). The value of the UFI will stay with the feature through all changes to the feature (both spatial and non-spatial) unless the feature is split into multiple other parts. If the feature is split, the separate parts will retain the original PFI but new UFI’s will be generated for the split parts. (See Persistent and Unique Feature Identifiers)
CREATED_DATE*	No	Date		The date the feature was originally captured and first loaded to the database *internal use only
LAST_EDITED_DATE*	Yes	Date		Date of the last editing or revision to the feature *internal use only
UPPER_SCALE	No	Long		The upper scale for which the feature should be considered suitable for digital display.	dm_upper_scale
TEXT_NOTE	Yes	Text	50	For mapping purposes. Additional annotation that can be shown on a map.
ADD_INFORMATION	Yes	Text	255	A comment field (additional information)

Feature Type definitions:

Busway Station – A facility which is regularly used for loading and unloading of passengers onto buses on a designated network.

Upper scale:

1:100 000 – all data

Capture Process:

1:100 000 – all data

Capture Process:

Green Bridges

A polyline feature class displaying the location of bridges for green and or sustainable transportation options.

Attribute Schema:

Green bridges
A polyline feature class displaying the location of bridges for green and or sustainable transportation options.
Column Name	Nulls	Format	Size	Description	Constraints
FEATURE_TYPE	No	Text	50	Unique feature type that identifies the type of feature. Options: Footbridge Bikeway Bridge Multi-use Bridge Other Bridge
NAME	Yes	Text	100	The name of the feature (if available)
ATTRIBUTE_SOURCE	No	Text	100	If the feature is named, the attribute_source is the source imagery, map, or data from which the features name has been obtained. If the feature is not named, the attribute_source is the source imagery, map, or data used to define what the feature type is.
ATTRIBUTE_DATE	No	Date		Date of the source imagery, map, or data used for attributing the feature.
ADDITIONAL_NAMES	Yes	Text	100	The feature may be commonly known by other names or have different spelling. Multiple additional names can be shown and separated by a comma.
ADD_NAMES_SOURCE	Yes	Text	100	The source map or data that the additional names were obtained. Multiple sources can be shown, separated by a comma. If multiple sources are shown, the written sequence will be the same as the written sequence of the names themselves.
FEATURE_SOURCE	No	Text	100	The source imagery, map, or data that the spatial location and shape of the of the feature was obtained from.
FEATURE_DATE	No	Date		Date of the feature source information that the location of the feature was obtained from.
OPERATIONAL STATUS	No	Text	20	The operation status of the feature. Options: Abandoned Dismantled Operational Non Operational Proposed Under Construction	dm_road_bri_ status
PFI	No	Text		A Persistent Feature Identifier (PFI) is generated for each feature at the point of creation in the database. The value of the PFI will stay with the feature through all changes to the feature (both spatial and non-spatial) until the feature is retired. (See Persistent and Unique Feature Identifiers)
UFI	No	Text		A Unique Feature Identifier (UFI) is generated for each new feature at the point of creation in the database (at this point the PFI and UFI will be the same). The value of the UFI will stay with the feature through all changes to the feature (both spatial and non-spatial) unless the feature is split into multiple other parts. If the feature is split, the separate parts will retain the original PFI but new UFI’s will be generated for the split parts. (See Persistent and Unique Feature Identifiers)
CREATED_DATE*	No	Date		The date the feature was originally captured and first loaded to the database *internal use only
LAST_EDITED_DATE*	Yes	Date		Date of the last editing or revision to the feature *internal use only
DIMENSION_M	No	Double		The length of the feature measured in metres GDA2020
UPPER_SCALE	Yes	Long		The upper scale for which the feature should be considered suitable for digital display.	dm_upper_scale
TEXT_NOTE	Yes	Text	50	For mapping purposes. Additional annotation that can be shown on a map.
ADD_INFORMATION	Yes	Text	255	A comment field (additional information)
SEGMENT_ID	Yes	Text	20	Corresponding id number for Queensland Roads and Tracks

Upper scale:

Foot Bridge – A structure erected over a depression or obstacle to carry pedestrian traffic only.

Bikeway Bridge – A structure erected over a depression or obstacle to carry bicycle traffic only.

Multi-use Bridge – A structure erected over a depression or obstacle to carry multi forms of traffic.

Other Bridge – Any bridge not covered by the above.

Capture Process:

FOOTBRIDGE

Definition: A structure erected over a depression or obstacle to carry pedestrian traffic

Alternate Terms: Pedestrian overpass

· Capture as a 2D polyline along the centre of the feature

· The location is plotted from orthorectified imagery

· Locations can be obtained from other datasets, existing mapping, organisations, Government websites, or other source material.

· Capture features with a length greater than 25 metres

· End points to coincide with the vertex of any pathway feature.

· If the feature is less than 25 metres and is named, exaggerate the length to a minimum of 25 metres

BIKEWAY BRIDGE

Definition: A structure erected over a depression or obstacle to carry bicycle traffic

Alternate Terms: Bikeway overpass, Cycleway bridge, Cycleway overpass

· Capture as a 2D polyline along the centre of the feature

· The location is plotted from orthorectified imagery

· Locations can be obtained from other datasets, existing mapping, organisations, Government websites, or other source material.

· Capture features with a length greater than 25 metres

· End points to coincide with the vertex of any pathway feature.

· If the feature is less than 25 metres and is named, exaggerate the length to a minimum of 25 metres

MULTI-USE BRIDGE

Definition: A structure erected over a depression or obstacle to carry multi forms of traffic

Alternate Terms: mixed use bridge, mixed use overpass

· Capture as a 2D polyline along the centre of the feature

· The location is plotted from orthorectified imagery

· Locations can be obtained from other datasets, existing mapping, organisations, Government websites, or other source material.

· Capture features with a length greater than 25 metres

· End points to coincide with the vertex of any pathway feature.

· If the feature is less than 25 metres and is named, exaggerate the length to a minimum of 25 metres

Helipads

A point feature class displaying the location of a constructed or maintained area for helicopter take-off and landing

Attribute Schema:

Helipads
A point feature class displaying the location of a constructed or maintained area for helicopter take-off and landing.
Column Name	Nulls	Format	Size	Description	Constraints
FEATURE_TYPE	No	Text	50	Unique feature type that identifies the type of feature. Options: Helipad
NAME	Yes	Text	100	The name of the feature (if available)
ATTRIBUTE_SOURCE	No	Text	100	If the feature is named, the attribute_source is the source imagery, map, or data from which the features name has been obtained. If the feature is not named, the attribute_source is the source imagery, map, or data used to define what the feature type is.
ATTRIBUTE_DATE	No	Date		Date of the source imagery, map, or data used for attributing the feature.
ADDITIONAL_NAMES	Yes	Text	100	The feature may be commonly known by other names or have different spelling. Multiple additional names can be shown and separated by a comma.
ADD_NAMES_SOURCE	Yes	Text	100	The source map or data that the additional names were obtained. Multiple sources can be shown, separated by a comma. If multiple sources are shown, the written sequence will be the same as the written sequence of the names themselves.
FEATURE_SOURCE	No	Text	100	The source imagery, map, or data that the spatial location of the feature was obtained from.
FEATURE_DATE	No	Date		Date of the source imagery, map, or data that the spatial location of the feature was obtained from.
OPERATIONAL_STATUS	No	Text	20	The operation status of the feature. Options: Abandoned Dismantled Operational Non Operational Proposed Under Construction	dm_aviation_ status
USAGE	No	Text	20	The description of the type of civil and/or military use of the feature. Options: Civil Civil - Military Military	dm_aviation_ usage
PFI	No	Text		A Persistent Feature Identifier (PFI) is generated for each feature at the point of creation in the database. The value of the PFI will stay with the feature through all changes to the feature (both spatial and non-spatial) until the feature is retired. (See Persistent and Unique Feature Identifiers)
UFI	No	Text		A Unique Feature Identifier (UFI) is generated for each new feature at the point of creation in the database (at this point the PFI and UFI will be the same). The value of the UFI will stay with the feature through all changes to the feature (both spatial and non-spatial) unless the feature is split into multiple other parts. If the feature is split, the separate parts will retain the original PFI but new UFI’s will be generated for the split parts. (See Persistent and Unique Feature Identifiers)
CREATED_DATE*	No	Date		The date the feature was originally captured and first loaded to the database *internal use only
LAST_EDITED_DATE*	No	Date		Date of the last editing or revision to the feature *internal use only
UPPER_SCALE	No	Long		The upper scale for which the feature should be considered suitable for digital display.	dm_upper_scale
TEXT_NOTE	Yes	Text	50	For mapping purposes. Additional annotation that can be shown on a map. If the feature has no name. In this field, type in lower case the following: helipad
ADD_INFORMATION	Yes	Text	255	A comment field (additional information)

Feature Type definitions:

Helipad – A constructed and maintained area for helicopter take-off and landing.

Usage:

Civil – Primarily used by civilian aircraft

Civil_Military – Used by both civilian and military aircraft on a regular basis

Military – Restricted to military use only *not often mapped due to restrictions.

Upper scale:

1:25 000 – all data

Capture Process:

HELIPAD