Table 6.36 — EEs for EAs whose label begins with A

Attribute label Enumerant label Concept definition Code
ACCESS_DIRECTION_TYPE   The type of access direction of an <OBJECT> in reference to allowable traffic flow.  
  END End. 1
  ENTRY Entry. 2
  EXIT Exit. 3
  START Start. 4
ACCESSIBILITY_STATUS   The type of accessibility of an <OBJECT>.  
  CLOSED Closed (and unlocked). 1
  CLOSED_LOCKED Closed and locked. 2
  LIMITED Limited. 3
  LOCKED Locked. 4
  OPEN Open (and unlocked). 5
  OPEN_LOCKED Open and locked. 6
  RESTRICTED Restricted. 7
ACCUMULATION_PERIOD_CATEGORY   The category of an <<ACCUMULATION_PERIOD>>.  
  ONE_SECOND One second. 1
  TWO_SECONDS Two seconds. 2
  FIVE_SECONDS Five seconds. 3
  TEN_SECONDS Ten seconds. 4
  FIFTEEN_SECONDS Fifteen seconds. 5
  THIRTY_SECONDS Thirty seconds. 6
  ONE_MINUTE One minute. 7
  TWO_MINUTES Two minutes. 8
  FIVE_MINUTES Five minutes. 9
  TEN_MINUTES Ten minutes. 10
  FIFTEEN_MINUTES Fifteen minutes. 11
  THIRTY_MINUTES Thirty minutes. 12
  ONE_HOUR One hour. 13
  TWO_HOURS Two hours. 14
  THREE_HOURS Three hours. 15
  FOUR_HOURS Four hours. 16
  SIX_HOURS Six hours. 17
  EIGHT_HOURS Eight hours. 18
  TWELVE_HOURS Twelve hours. 19
  TWENTY_FOUR_HOURS Twenty-four hours. 20
ACOUSTIC_CENTRE_FREQUENCY_BAND   The electro-acoustic one-third-octave band centre <<FREQUENCY>> (approximate).  
  BAND_1_HZ 1 hertz. 1
  BAND_1r25_HZ 1,25 hertz. 2
  BAND_1r6_HZ 1,6 hertz. 3
  BAND_2_HZ 2 hertz. 4
  BAND_2r5_HZ 2,5 hertz. 5
  BAND_3r15_HZ 3,15 hertz. 6
  BAND_4_HZ 4 hertz. 7
  BAND_5_HZ 5 hertz. 8
  BAND_6r3_HZ 6,3 hertz. 9
  BAND_8_HZ 8 hertz. 10
  BAND_10_HZ 10 hertz. 11
  BAND_12r5_HZ 12,5 hertz. 12
  BAND_16_HZ 16 hertz. 13
  BAND_20_HZ 20 hertz. 14
  BAND_25_HZ 25 hertz. 15
  BAND_31r5_HZ 31,5 hertz. 16
  BAND_40_HZ 40 hertz. 17
  BAND_50_HZ 50 hertz. 18
  BAND_63_HZ 63 hertz. 19
  BAND_80_HZ 80 hertz. 20
  BAND_100_HZ 100 hertz. 21
  BAND_125_HZ 125 hertz. 22
  BAND_160_HZ 160 hertz. 23
  BAND_200_HZ 200 hertz. 24
  BAND_250_HZ 250 hertz. 25
  BAND_315_HZ 315 hertz. 26
  BAND_400_HZ 400 hertz. 27
  BAND_500_HZ 500 hertz. 28
  BAND_630_HZ 630 hertz. 29
  BAND_800_HZ 800 hertz. 30
  BAND_1000_HZ 1 000 hertz. 31
  BAND_1250_HZ 1 250 hertz. 32
  BAND_1600_HZ 1 600 hertz. 33
  BAND_2000_HZ 2 000 hertz. 34
  BAND_2500_HZ 2 500 hertz. 35
  BAND_3150_HZ 3 150 hertz. 36
  BAND_4000_HZ 4 000 hertz. 37
  BAND_5000_HZ 5 000 hertz. 38
  BAND_6300_HZ 6 300 hertz. 39
  BAND_8000_HZ 8 000 hertz. 40
  BAND_10_KHZ 10 kilohertz. 41
  BAND_12r5_KHZ 12,5 kilohertz. 42
  BAND_16_KHZ 16 kilohertz. 43
  BAND_20_KHZ 20 kilohertz. 44
  BAND_25_KHZ 25 kilohertz. 45
  BAND_31r5_KHZ 31,5 kilohertz. 46
  BAND_40_KHZ 40 kilohertz. 47
  BAND_50_KHZ 50 kilohertz. 48
  BAND_63_KHZ 63 kilohertz. 49
  BAND_80_KHZ 80 kilohertz. 50
  BAND_100_KHZ 100 kilohertz. 51
  BAND_125_KHZ 125 kilohertz. 52
  BAND_160_KHZ 160 kilohertz. 53
  BAND_200_KHZ 200 kilohertz. 54
  BAND_250_KHZ 250 kilohertz. 55
  BAND_315_KHZ 315 kilohertz. 56
  BAND_400_KHZ 400 kilohertz. 57
  BAND_500_KHZ 500 kilohertz. 58
  BAND_630_KHZ 630 kilohertz. 59
  BAND_800_KHZ 800 kilohertz. 60
ACOUSTIC_REFLECTION_TYPE   The type of acoustic reflection from a <WATERBODY_FLOOR>.  
  FROM_WTR_BODY_FLOOR Most of the reflected sound energy is reflected at the <BOUNDARY> between the <WATERBODY_FLOOR> and the <WATER>. 1
  FROM_BELOW_WTR_BODY_FLOOR The sound energy penetrates a superficial layer of the <WATERBODY_FLOOR> (for example: <SEDIMENT>), so that the sound energy is reflected from below the <WATERBODY_FLOOR>. 2
AERIAL_FUNCTION   The function of an <AERIAL>.  
  AIR_TRAFFIC_CONTROL Air traffic control. 1
  MARINE_RADIO_SERVICE Transmits radio services useful to marine navigation. 2
  PUBLIC_SAFETY Transmits radio services important to public safety. 3
  RADAR Radar. 4
  RADIO_BROADCAST Radio broadcast. 5
  SATELLITE_UPLINK Satellite uplink. 6
  TELEVISION_BROADCAST Television broadcast. 7
AERIAL_TYPE   The structural type of an <AERIAL>.  
  DIPOLE Composed of two straight rods of equal <<LENGTH>> (corresponding to 1/4 the <<WAVELENGTH>> of the electromagnetic wave being transmitted or received), mounted in line with one another, and having an electrical connection to the centre of the <AERIAL>; a half-wave dipole aerial [SOED, "dipole", 2]. 1
  FIXED_PHASED_ARRAY An array of radiating <COMPONENT>s, each of which can be driven with an adjustable phase to steer the resultant beam in a desired <DIRECTION>; a phased array. 2
  HORN Has a radiating <COMPONENT> that is a horn that radiates directly into space; a horn aerial. 3
  PARABOLIC Has a reflector whose cross-section is parabolic and is capable of concentrating the radiated power into a parallel beam; a parabolic aerial. 4
  WHIP Has a vertical telescoping <COMPONENT>as commonly used in mobile and portable communication <SYSTEM>s; a whip aerial. 5
  YAGI Composed of a number of short rods mounted transversely on an insulating support; as a result is highly directional, receiving or transmitting within a narrow frequency band; a yagi aerial [SOED, "yagi"]. 6
AERODROME_TYPE   The type of an <AERODROME>.  
  AERODROME <AERODROME>. 1
  AIRFIELD <AIRFIELD>. 2
  AIRPORT <AIRPORT>. 3
  DAFIF_A An active civil <AERODROME> controlled and operated by civil authorities primarily for use by civil <AIRCRAFT>, although military may have landing privileges and/or contract rights; DAFIF A. Minimum <AIRCRAFT>s are available that include: <CONTROL_TOWER> (or some similar control <SYSTEM>, such as a FSS that issues clearances and advisories when there is no <CONTROL_TOWER> or the <CONTROL_TOWER> is not in operation), <AERODROME_LIGHTING> (for example: flare pots), POL, and <AIRCRAFT>s for organizational maintenance, or better. 4
  DAFIF_B An active <AERODROME> jointly controlled, used, and/or operated by both civil and military agencies; DAFIF B. The military agencies are permanent operational flight line type tenants with, or without, <AIRCRAFT> stationed on the <AERODROME>. <AIRCRAFT>s are the same as for civil (<<<DAFIF_A>>> type) <AERODROME>s. 5
  DAFIF_C An active military <AERODROME> controlled and operated by military authorities primarily for use by military <AIRCRAFT>, although civil <AIRCRAFT> may have landing privileges and/or contract rights; DAFIF C. <AIRCRAFT>s are the same as for civil (<<<DAFIF_A>>> type) <AERODROME>s. 6
  DAFIF_D An active <AERODROME> having permanent surface <RUNWAY>s with less than the minimum <AIRCRAFT>s required for civil (<<<DAFIF_A>>> type) <AERODROME>s; DAFIF D. For the United States, the FAA term "inactive" is incorporated into this category. 7
  EMERGENCY Designated for the emergency take-off and landing of <AIRCRAFT>. 8
  GENERAL_AVIATION Designated for light and/or general aviation <AIRCRAFT> operations only. 9
  GLIDER Designated for the take-off and landing of glider <AIRCRAFT>. 10
  HANG_GLIDER Designated for the landing of hang glider <AIRCRAFT>. 11
  HELICOPTER Designated for the takeoff and landing of <HELICOPTER>s. 12
  HELIPORT <HELIPORT>. 13
  HELIPORT_AT_HOSPITAL A <<<HELIPORT>>> located at a <HOSPITAL_BUILDING>. 14
  MAJOR_AERODROME A major (controlled) <AERODROME> that has an operating <CONTROL_TOWER>. Air traffic control is responsible for providing for the safe, orderly, and expeditious flow of air traffic at <AIRPORT>s where the type of operations and/or volume of traffic requires such a service. Pilots operating from a controlled <AIRPORT> are required to maintain two-way radio communication with air traffic controllers, and to acknowledge and comply with their instructions. 15
  MICROLIGHT Designated for microlight or ultralight <AIRCRAFT>. 16
  MINOR_AERODROME A minor (uncontrolled) <AERODROME> that does not have an operating <CONTROL_TOWER>. Two-way radio communications are not required, although it is a good operating practice for pilots to transmit their intentions on the specified <<FREQUENCY>> for the benefit of other traffic in the vicinity. 17
  PARASCENDING Designated for parascending or parasailing <AIRCRAFT>. 18
  SEAPLANE_BASE <SEAPLANE_BASE>. 19
  UNDEFINED_LANDING Undefined landing <SITE>. 20
  WINCH_LAUNCHED_HANG_GLIDER Designated for the winch-launching of hang glider <AIRCRAFT>. 21
AERONAUTICAL_APPROACH_TYPE   The type of an aeronautical approach.  
  FINAL_FIX Final fix. 1
  INITIAL_FIX Initial fix. 2
  NON_PRECISION_INSTRUMENT Non-precision instrument. 3
  PRECISION_INSTRUMENT Precision instrument. 4
  STOL STOL. 5
  VISUAL Visual. 6
AERONAUTICAL_FUNCTION   The function of an aeronautical <OBJECT>.  
  AERODROME_TERMINAL <AERODROME_TERMINAL>. 1
  AID_TO_NAVIGATION_CHANGEOVER <AID_TO_NAVIGATION> identifying a changeover <LOCATION>. 2
  ALTIMETER_CHANGE Altimeter change. 3
  DECOY Decoy. 4
  FEEDER Feeder. 5
  MILEAGE_BREAK_DOWN Mileage break down. 6
  RADAR Radar. 7
  SEAPLANE_RUN <SEAPLANE_RUN>. 8
  TERMINUS Terminus. 9
  TERMINUS_OR_TERMINAL <<<TERMINUS>>> and/or <<<AERODROME_TERMINAL>>>. 10
  TRANSACTION Transaction. 11
  UNIDENTIFIED_AIRSTRIP Unidentified <AIRSTRIP>. 12
AERONAUTICAL_LIGHT_TYPE   The type of <LIGHTING> or <SYSTEM> of <LIGHTING> that supports aeronautical navigation; the aeronautical light type.  
  AERODROME_TERMINAL <LIGHT>s associated with an <AERODROME_TERMINAL>. 1
  AEROMARINE A marine-type <LIGHT> for which part of the beam is deflected to an angle of 10 to 15 arc degrees above the horizon to facilitate use by <AIRCRAFT>; an aeromarine light. 2
  ALSF_I Approach <LIGHTING> with sequential flashing - type I. 3
  ALSF_II Approach <LIGHTING> with sequential flashing - type II. 4
  ALTERNATE_CENTRE_LINE Alternate centre-line and bar approach <LIGHT>s. 5
  APAP_ALIGNMENT An alignment of elements system consisting of a <SET> of three painted plywood panels (called approach path alignment panels: APAP) that are used as a visual glideslope indicator and is lighted for night use. 6
  APRON_FLOOD Floodlight associated with an <APRON>. 7
  ARTICULATED Articulated <LIGHT>. 8
  AUXILIARY Auxiliary <LIGHT>. 9
  BEACON_UNSPECIFIED A <BEACON> of unspecified type. 10
  BLINKING_LIGHT A blinking <LIGHT> displayed as a visual <AID_TO_NAVIGATION>. 11
  BOUNDARY <LIGHTING> associated with a <BOUNDARY>. 12
  CALVERT Calvert, the standard <SYSTEM> of approach <LIGHTING> for Australia. 13
  CENTRE_AND_DOUBLE_ROW Centre and double row <LIGHT>s. 14
  CENTRE_LINE_2_CROSSBAR Centre-line, 2 crossbars approach <LIGHT>s. 15
  CENTRE_LINE_AND_BAR Centre-line and bar <LIGHT>s. 16
  CENTRE_LINE_HIGH_INTENSITY Centre-line, high-intensity approach <LIGHT>s. 17
  CENTRE_ROW Centre row <LIGHT>s. 18
  CENTRE_ROW_1_HI_INTENSITY Centre row, IFR instrument landing system category 1, high intensity <LIGHT>s. 19
  CENTRE_ROW_2_HI_INTENSITY Centre row, IFR instrument landing system category 2, high intensity <LIGHT>s. 20
  CONSTANT_BEAM A signal <LIGHT> that shows continuously in all <DIRECTION>s with constant luminous intensity and colour; a constant beam light. 21
  CROSS Cross <LIGHT>. 22
  FISHING Fishing <LIGHT>s. 23
  FLARES Flares. 24
  FOG_DETECTOR A <LIGHT> used to automatically determine conditions of visibility on a <RUNWAY>; a fog detector light. 25
  FORMER_NATO_STANDARD Former <<<NATO_STANDARD>>>. 26
  HARBOUR Navigational <LIGHTING> associated with a <HARBOUR>. 27
  HIGH_INTENSITY_RUNWAY High intensity <LIGHT>s on a <RUNWAY>. 28
  HONG_KONG_CURVE The <SYSTEM> of approach <LIGHTING> for Kai Tak Airport in Hong Kong; Hong Kong curve. 29
  HORIZONTAL Horizontal <LIGHT>s. 30
  IDENTIFICATION_BEACON Identification <BEACON>. 31
  LANDING_DIRECTION <LIGHT> indicating landing <DIRECTION>. 32
  LEFT_ROW_HIGH_INTENSITY Row of high intensity <LIGHT>s on the left side on a <RUNWAY>. 33
  LEFT_SINGLE_ROW Single row of <LIGHT>s on the left side on a <RUNWAY>. 34
  LOW_COST_VASI Low cost <<<VASI>>>. 35
  LOW_INTENSITY_RUNWAY Low intensity <LIGHT>s on a <RUNWAY>. 36
  MAJOR Major. 37
  MALSF MALSF. 38
  MALSR MALSR. 39
  MEDIUM_INTENSITY_RUNWAY Medium intensity <LIGHT>s on a <RUNWAY>. 40
  MINOR Minor <LIGHT>. 41
  NARROW_MULTI_CROSS Narrow multi-cross <LIGHT>. 42
  NATO_STANDARD NATO standard. 43
  NEON_LADDER Neon ladder <LIGHT>. 44
  NONE_AVAILABLE None available. 45
  OBSTRUCTION Obstruction <LIGHT>. 46
  OBSTRUCTION_LIGHTING Obstruction <LIGHTING>. 47
  OCCASIONAL Occasional <LIGHT>. 48
  ODALS Consists of seven omnidirectional flashing <LIGHT>s located in the approach area of a nonprecision <RUNWAY>. Five <LIGHT>s are located on the centre-line of the <RUNWAY> extended with the first <LIGHT> located 91,44 metres (300 feet) from the threshold of the <RUNWAY> and extending at equal intervals up to 457,2 metres (1 500 feet) from the threshold. The other two <LIGHT>s are located, one on each side of the threshold of the <RUNWAY>, at a lateral distance of 12,192 metres (40 feet) from the edge of the <RUNWAY>, or 22,86 metres (75 feet) from the edge when installed on a <RUNWAY> equipped with a <<<VASI>>>; ODALS. 49
  OPTICAL_LANDING_SYSTEM Optical landing system. 50
  OTHER_AERODROME_LIGHTING Other aerodrome <LIGHTING>. 51
  OTHER_APPROACH_LIGHTING Other approach <LIGHTING>. 52
  OVERRUN_CENTRE_LINE <LIGHTING> associated with the <CENTRE_LINE> of a <RUNWAY_OVERRUN>. 53
  PORTABLE_APPROACH Portable approach <LIGHT>. 54
  PORTABLE_RUNWAY Portable <LIGHT>s on a <RUNWAY>. 55
  PRECISION_APPROACH Precision approach path indicator <LIGHT>. 56
  PRIMARY Primary <LIGHT>. 57
  PRIVATE Private <LIGHT>. 58
  RAIL RAIL. 59
  RANGE Range <LIGHT>. 60
  ROTATING_BEACON Rotating <BEACON>. 61
  RUNWAY <LIGHTING> associated with a <RUNWAY>. 62
  RUNWAY_CENTRE_LINE <LIGHTING> associated with the centre-line of a <RUNWAY>. 63
  RUNWAY_EDGE <LIGHTING> associated with the edge of a <RUNWAY>. 64
  RUNWAY_END Identification <LIGHTING> associated with the end of a <RUNWAY>. 65
  RUNWAY_FLOOD Flood <LIGHTING> associated with a <RUNWAY>. 66
  RUNWAY_REGION <LIGHT>s on both the <RUNWAY> and the <<<RUNWAY_EDGE>>>; runway region. 67
  SEASONAL Seasonal <LIGHT>. 68
  SECONDARY Secondary <LIGHT>. 69
  SEQUENCED_STROBE Sequenced strobe <LIGHT>. 70
  SINGAPORE_CENTRE_LINE The <SYSTEM> of approach <LIGHTING> for Changi Airport in Singapore; Singapore centre line. 71
  SINGLE_ROW_CENTRE_LINE Single row centre-line <LIGHT>s. 72
  SSALF SSALF. 73
  SSALR Simplified short approach <LIGHTING> with runway alignment indicator <LIGHT>s. 74
  STROBE A <LIGHT> with an extremely short duration flash; strobe. 75
  TAXIWAY_LIGHTING <LIGHTING> associated with a <TAXIWAY>. 76
  THRESHOLD Threshold <LIGHT>. 77
  TIDAL Tidal <LIGHT>. 78
  TOUCHDOWN_ZONE_LIGHTING Touchdown zone <LIGHTING>. 79
  TVASI_T_BAR T-bar <<<VASI>>>; TVASI. 80
  TWO_PARALLEL_ROW Two parallel row <LIGHT>s. 81
  US_AIR_FORCE_OVERRUN US Air Force <RUNWAY_OVERRUN>. 82
  US_NAVY_PARALLEL_ROW_AND_X US Navy parallel row and crossbar. 83
  VARIABLE_INTENSITY_RUNWAY Variable intensity <RUNWAY>. 84
  VASI VASI. 85
  VASI_2_BAR Two-bar <<<VASI>>>. 86
  VASI_3_BAR Three-bar <<<VASI>>>. 87
  VASI_PULSATING Pulsating <<<VASI>>>. 88
  VASI_WITH_INDICATOR <<<VASI>>> with indicator for threshold crossing height. 89
  VERTICAL Vertical <LIGHT>s. 90
  WIND_INDICATOR <LIGHTING> associated with a <WIND_INDICATOR>. 91
AERONAUTICAL_POINT_FUNCTION   The function of an aeronautical point <OBJECT>.