FATO_DIRECTION_ALS [Approach lighting system for FATO direction]
A lighting system installed before the threshold of a FATO in order to provide a visual reference for aircraft landing on that FATO.
Attributes
CODE_TYPE [Type] mandatory
A code indicating the type of approach lighting system.
Rules:
  1. If CODE_TYPE = 'ALSAF', then CODE_SEQUENCED_FLASH cannot have the value 'N'..
  2. If CODE_TYPE = 'ALSAF', then CODE_INTENSITY cannot have the value 'LIM'..
  3. If CODE_TYPE = 'MALS' or 'MALSR', then CODE_INTENSITY cannot have the value 'LIH' or 'LIL'..
Domain: CODE_TYPE_ALS_FATO
VAL_LEN [Length] optional
The value of the overall length of the approach lighting system.
Rules:
  1. If VAL_LEN is specified, then UOM_LEN is mandatory.
Domain: VAL_DIST_HORZ
UOM_LEN [Unit of measurement [length]] optional
The unit of measurement for the length of the approach lighting system.
Domain: UOM_DIST_HORZ
CODE_INTST [Intensity] optional
A code indicating the light intensity.
For example, LIL, LIM, LIH.
Domain: CODE_INTST_LGT
CODE_SEQUENCED_FLASH [Sequenced flashing available] optional
A code indicating whether sequenced flashing is available for the approach lighting system.
Domain: CODE_YES_NO
TXT_DESCR_FLASH [Flash description] optional
A textual description of the flash characteristics, if provided, for the approach lighting system.
Domain: TXT_DESCR
TXT_RMK [Remark] optional
Domain: TXT_RMK
FATO_DIRECTION_DECL_DIST [Distance declared for FATO direction]
A conventional distance declared for a runway or a FATO direction. E.g. TORA, TODA, LDA, ASDA, RTODAH, etc..
Rules:
  1. For the same FATO_DIRECTION (and from the same intersection with a TWY and within the same time period - day/night, if applicable), VAL_DIST (considering the UOM_DIST information) of the 'RTODAH' must be equal with or greater than that of the 'TODAH'.
Attributes
CODE_TYPE [Type] mandatory
A code indicating the type of conventional declared distance.
Rules:
  1. If CODE_TYPE is 'LDAH', then VAL_DIST (considering the UOM_DIST information) must be smaller than or equal to VAL_LEN of the related FATO.
Domain: CODE_TYPE_DECL_DIST_FATO
CODE_DAY_PERIOD [Time period] mandatory
A code indicating the time period when the declared distance is valid, i.e. day or night.
Domain: CODE_DAY_PERIOD
VAL_DIST [Declared distance] mandatory
The value of the declared distance.
Domain: VAL_DIST_HORZ
UOM_DIST [Unit of measurement [horizontal distance]] mandatory
The unit of measurement of the declared distance.
Domain: UOM_DIST_HORZ
TXT_RMK [Remark] optional
Domain: TXT_RMK
FATO_DIRECTION_LGT_SYS [FATO lighting system]
... a type of
SURFACE_LGT_SYS
The lighting system provided for a Final Approach and Take-Off direction.
Attributes
... see as well the attributes of the super-type entity
CODE_PSN [Part] mandatory
A code indicating the part of the surface served by the lighting system.
For example, TDZ, THR, centre line, edge, etc..
Domain: CODE_PSN_RWY
FATO_DIRECTION_OBSTACLE [Obstacle for FATO direction]
An obstacle which has significance for aeronautical operations on a Final Approach and Take-Off Area.
Attributes
CODE_TYPE_OPS [Operations affected] optional
A code indicating the type of FATO operations affected by the obstacle, i.e. arrival or departure.
Domain: CODE_TYPE_OPS_RWY
VAL_DIST_THR [Obstacle distance to threshold] optional
The distance from the obstacle to the threshold of the FATO direction.
Rules:
  1. This value must correspond (within 5 meters) to the value calculated using the coordinates of the related OBSTACLE and the coordinates of the threshold of the related FATO_DIRECTION.
  2. If VAL_DIST_THR is specified, then UOM_DIST_HORZ is mandatory.
Domain: VAL_DIST_HORZ
VAL_DIST_ALONG_CLINE [Obstacle distance along the center line] optional
The distance from the obstacle to the threshold of the FATO direction along the center line of the FATO.
Rules:
  1. This value must correspond (within 5 meters) to the value calculated using the coordinates of the related OBSTACLE and the coordinates of the related FATO_CLINE_POINT(s).
  2. If VAL_DIST_ALONG_CLINE is specified, then UOM_DIST_HORZ is mandatory.
Domain: VAL_DIST_HORZ
VAL_DIST_TO_CLINE [Obstacle distance to the center line] optional
The distance from the obstacle to the center line of the FATO direction.
Rules:
  1. This value must correspond (within 5 meters) to the value calculated using the coordinates of the related OBSTACLE and the coordinates of the related FATO_CLINE_POINT(s).
  2. If VAL_DIST_TO_CLINE is specified, then UOM_DIST_HORZ is mandatory.
Domain: VAL_DIST_HORZ
UOM_DIST_HORZ [Unit of measurement [horizontal distance]] optional
The unit of measurement for the horizontal distances.
Domain: UOM_DIST_HORZ
VAL_BRG_THR [Magnetic bearing] optional
The magnetic bearing from the FATO direction threshold to the obstacle.
Rules:
  1. This value must correspond (within 1 degree) to the value calculated using the coordinates of the related OBSTACLE and the coordinates of the threshold of the related FATO_DIRECTION, taking into consideration the actual value of the magnetic variation at the aerodrome site (attributes VAL_MAG_VAR, DATE_MAG_VAR and VAL_MAG_VAR_CHG of the related AD_HP entity).
Domain: VAL_ANGLE_BRG
TXT_RMK [Remark] optional
Domain: TXT_RMK
FATO_DIRECTION_STAR [FATO direction STAR]
A Standard Arrival Procedure used that may be used for a particular FATO approach direction.
Attributes
TXT_RMK [Remark] optional
Domain: TXT_RMK
FATO_PROTECT_AREA [FATO protection area]
... a type of
LANDING_PROTECTION_AREA
An area situated in the vicinity of a final approach and take-off area, provided to protect helicopters during manoeuvring, take-off and/or landing operations.
Attributes
... see as well the attributes of the super-type entity
CODE_TYPE [Type] mandatory
A coded value indicating the type of protection area.
Domain: CODE_TYPE_PROTECT_AREA_FATO
FLIGHT_CLASS [Flight class]
A specific flight type, such as IFR/VFR, national/international, OAT/GAT, etc.
Notes:
There is an implicit 'AND' between the attributes of this entity. For example, an occurrence, which has CODE_RULE='V', CODE_MIL='MIL' models a flight which is both military and flying VFR.
Attributes
CODE_TYPE [Type] optional
A code indicating a specified type of a flight, such as OAT/GAT.
Domain: CODE_FLT_TYPE
CODE_RULE [Rule] optional
A code indicating a specific flight rule, such as IFR or VFR.
Domain: CODE_TYPE_FLT_RULE
CODE_STATUS [Status] optional
A code indicating a specific flight status, such as Hospital, Head of State, etc.
Domain: CODE_FLT_STATUS
CODE_MIL [Military] optional
A code indicating whether it is a military flight.
Domain: CODE_MIL
CODE_ORIGIN [Origin] optional
A code indicating the origin of the flight with regard to the national borders.
Domain: CODE_ORIGIN
CODE_PURPOSE [Purpose] optional
A code indicating the purpose of the flight.
Domain: CODE_PURPOSE
FLOW_COND_COMBINATION [Flow conditions combination]
A combination of flow conditions involving:
1) an operator such as "AND", "OR", "AND NOT", "SEQUENCE", "NONE" and
2) one or more operands, each of these being either a flow condition element or another flow conditions combination.
Notes:
It is assumed that all the conditions which are used to select a traffic flow for the purpose of applying a restriction form the "condition tree". The leaves of the tree are elementary flow conditions, as modelled by the FLOW_COND_ELEMENT entity. The nodes of the tree and the root are operations involving one or more elementary flow conditions and/or previously defined flow conditions combinations.
There is exactly one flow conditions combination which is not used as operand in another conditions combination (the root of the "condition tree").
Rules:
  1. Any FLOW_COND_COMBINATION must have at least one operand (which may be a FLOW_COND_ELEMENT or a FLOW_COND_COMBINATION).
  2. If the FLOW_COND_COMBINATION is 'used (as operand) in' another FLOW_COND_COMBINATION, then the attribute NO_SEQ is mandatory.
  3. NO_SEQ of all FLOW_COND_ELEMENTs and FLOW_COND_COMBINATIONs that are 'used (as operands) in' one FLOW_COND_COMBINATION must be unique and shall indicate their order in the combination.
  4. If one FLOW_COND_COMBINATION has CODE_OPR = 'NONE', then it must 'have as operand' exactly one FLOW_COND_ELEMENT and cannot 'have as operand' any other FLOW_COND_COMBINATION.
  5. If one FLOW_COND_COMBINATION is 'having as operand' exactly one FLOW_COND_ELEMENT and not 'having as operand' any other FLOW_COND_COMBINATION then it must have the value 'NONE' in CODE_OPR.
  6. A FLOW_COND_COMBINATION cannot be related to itself (through the 'having as operand/used in' relationship.
Attributes
NO_SEQ [Sequence number] optional
A sequence number used to indicate the order of the FLOW_COND_COMBINATION when 'used (as operand) in' another FLOW_COND_COMBINATION.
Notes:
1) FLOW_COND_COMBINATIONs may have as operands both FLOW_COND_ELEMENTs and FLOW_COND_COMBINATIONs. Therefore, NO_SEQ has to indicate the order considering all the operands that are part of one combination;
2) The order of the operands is significant only for FLOW_COND_COMBINATIONs that have CODE_TYPE = 'ANDNOT' or 'SEQ'.
Domain: NO_SEQ
CODE_OPR [Logical operation] mandatory
The type of operation combining an elementary flow condition or a previously defined combination with other elementary flow conditions or previously defined combinations.
Rules:
  1. The value of CODE_OPR cannot be 'OR' for occurrences of the FLOW_COND_COMBINATION which are related to two or more FLOW_COND_ELEMENTs having different values for their CODE_REF_LOC.
  2. The value of CODE_OPR may be 'SEQ' only for occurrences of the FLOW_COND_COMBINATION which are related to FLOW_COND_ELEMENTs of type AD_HP, AIRSPACE, AIRSPACE_BORDER_CROSSING or SIGNIFICANT_POINT or to FLOW_COND_COMBINATIONs with CODE_OPR = 'SEQ'.
Domain: CODE_FLOW_COND_OPR
FLOW_COND_ELEMENT [Flow condition element]
An elementary condition (such as departing from an aerodrome, crossing the border between two airspace, being able to fly RNAV, etc.) which, in combination with other elementary conditions, is used to unambiguously select the flights being affected by a restriction.
Rules:
  1. In the set of FLOW_COND_ELEMENT which belong to one TFC_FLOW_RESTR, there must be at least one with CODE_REF_LOC = 'Y'.
Attributes
NO_SEQ [Sequence number] mandatory
A sequence number used to indicate the order of the FLOW_COND_ELEMENT as operand in the related FLOW_COND_COMBINATION.
Notes:
1) FLOW_COND_COMBINATIONs may have as operands both FLOW_COND_ELEMENTs and FLOW_COND_COMBINATIONs. Therefore, NO_SEQ has to indicate the order considering all the operands that are part of one combination;
2) The order of the operands is significant only for FLOW_COND_COMBINATIONs that have CODE_TYPE = 'ANDNOT' or 'SEQ'.
Domain: NO_SEQ
CODE_REF_LOC [Reference location] mandatory
A code indicating if the flow condition element is a reference location for the traffic flow restriction, i.e. if the time schedule associated with the restriction must be considered as applicable for that flow condition element.
Notes:
Departing, crossing or arriving at a particular location are those types of elementary flow conditions that can be marked as being "reference locations". For example, if departing from an aerodrome is marked as reference location, then all and only those flights which take off from that aerodrome within the time of applicability of the restriction might be concerned by the restriction.
Rules:
  1. CODE_REF_LOC cannot have the value 'Y' for occurrences of the FLOW_COND_ELEMENT entity which are related to FLIGHT_CLASS, AIRCRAFT_CLASS, ORG_AUTH, DIRECT_FLIGHT_CLASS..
  2. CODE_REF_LOC cannot have the value 'Y' if CODE_REL_WITH_LOC has the value 'ACT' or 'AVB'.
Domain: CODE_YES_NO
CODE_REL_WITH_LOC [Relation with location] optional
A code qualifying a location (such as an airspace, aerodrome, point, etc.) when used as FLOW_CONDITION_ELEMENT, for example, departing from that location, crossing the location, activation hours of the location are used as condition, etc..
Rules:
  1. CODE_REL_WITH_LOC may have the value 'DEP' or 'ARR' only for occurrences of the FLOW_COND_ELEMENT which are related to AD_HP or AIRSPACE.
  2. CODE_REL_WITH_LOC may have the value 'XNG' (crossing) only for occurrences of the FLOW_COND_ELEMENT which are related to AIRSPACE, BORDER_CROSSING, SEGMENT, DIRECT_FLIGHT_SEGMENT, SID, STAR, ROUTE_PORTION or SIGNIFICANT_POINT.
  3. CODE_REL_WITH_LOC may have the value 'ACT' only for occurrences of the FLOW_COND_ELEMENT which are related to AIRSPACE.
  4. CODE_REL_WITH_LOC may have the value 'AVB' only for occurrences of the FLOW_COND_ELEMENT which are related to RTE_PORTION.
Domain: CODE_REL_WITH_LOC
FLOW_COND_ELEMENT_LVL [ Flow condition element level]
A single level or a level band associated with a flow condition element.
Notes:
1) single levels are represented using the VAL_DIST_VER_LOWER, UOM_DIST_VER_LOWER and CODE_DIST_VER_LOWER attributes.
2) level bands are represented using the VAL_DIST_VER_LOWER, UOM_DIST_VER_LOWER, CODE_DIST_VER_LOWER attributes to specify the lowest cruising level/altitude and the VAL_DIST_VER_UPPER, UOM_DIST_VER_UPPER, CODE_DIST_VER_UPPER attributes to specify the uppermost cruising level/altitude.
Attributes
VAL_DIST_VER_LOWER [Lower limit] mandatory
The value of the lowermost cruising level.
Rules:
  1. When expressed using the same unit of measurement (UOM_DIST_VER_*) and the same vertical reference (CODE_DIST_VER_*), VAL_DIST_VER_LOWER must be between VAL_DIST_VER_LOWER and VAL_DIST_VER_UPPER of the related RTE_SEG.
Domain: VAL_DIST_VER
UOM_DIST_VER_LOWER [Unit of measurement [lower limit]] mandatory
The unit of measurement used to express the lowermost cruising level.
Rules:
  1. If the unit of measurement has the value 'FL' or 'SM', then the attribute CODE_DIST_VER_LOWER must have the value 'STD' (standard pressure)..
Domain: UOM_DIST_VER
CODE_DIST_VER_LOWER [Reference for lower limit] mandatory
A code indicating the convention used to measure the lowermost cruising level.
For example, flight level (in both feet and metres - cf. UOM_DIST_VER), altitudes above MSL (QNH), altitude above GND (QFE), elevation, height etc.
Domain: CODE_DIST_VER
VAL_DIST_VER_UPPER [Upper limit] optional
The value of the uppermost cruising level.
Notes:
1) if the type of levels described is not 'single level', this attribute is mandatory.
Rules:
  1. If VAL_DIST_VER_UPPER is specified, then UOM_DIST_VER_UPPER and CODE_DIST_VER_UPPER are mandatory.
  2. When expressed using the same unit of measurement (UOM_DIST_VER_*) and the same vertical reference (CODE_DIST_VER_*), the value of VAL_DIST_VER_UPPER must be between VAL_DIST_VER_LOWER and VAL_DIST_VER_UPPER of the related RTE_SEG.
  3. When expressed using the same unit of measurement (UOM_DIST_VER_*) and the same vertical reference (CODE_DIST_VER_*), the value of VAL_DIST_VER_UPPER must be higher than the value of VAL_DIST_VER_LOWER.
Domain: VAL_DIST_VER
UOM_DIST_VER_UPPER [Unit of measurement [upper limit]] optional
The unit of measurement used to express the uppermost cruising level.
Rules:
  1. If the unit of measurement has the value 'FL' or 'SM', then the attribute CODE_DIST_VER_UPPER must have the value 'STD' (standard pressure)..
Domain: UOM_DIST_VER
CODE_DIST_VER_UPPER [Reference for upper limit] optional
A code indicating the convention used to measure the uppermost cruising level.
For example, flight level (in both feet and metres - cf. UOM_DIST_VER), altitudes above MSL (QNH), altitude above GND (QFE), elevation, height etc.
Domain: CODE_DIST_VER