Table 6.10 -- EDCS attributes whose label begins with F
| Label | Definition | Attribute value type | EQ label | Code |
| FABRICATION_TYPE | The type of a fabrication industry <OBJECT>. | ENUMERATION | 365 | |
| FACET_TYPE | The type of <OBJECT> represented by a <FACET>. | ENUMERATION | 366 | |
| FARMING_METHOD | The agricultural practice in use within an agro-ecosystem; the farming method. | ENUMERATION | 367 | |
| FENCE_TYPE | The type of a <FENCE>. | ENUMERATION | 368 | |
| FERRY_CROSSING_LENGTH | The <<LENGTH>> of a <FERRY_CROSSING> between points on opposite <SHORE>s. | REAL | LENGTH | 369 |
| FERRY_CROSSING_TIME | The usual <<TIME_QUANTITY>> taken for a crossing by <FERRY>, including typical loading and unloading times. | REAL | TIME | 370 |
| FERRY_ROUTE_TYPE | The type of <ROUTE> which a <FERRY> follows. | ENUMERATION | 371 | |
| FIELD_PATTERN | The geometric layout used in placing seeds or young <PLANT>s on a <TRACT> used for agriculture; the field pattern. | ENUMERATION | 372 | |
| FIGHTER_WINGED_AIRCRAFT_TYPE | The type of a <FIGHTER_WINGED_AIRCRAFT>. | ENUMERATION | 373 | |
| FINE_SCALE_CORRELATION_LENGTH | The correlation length of the <<FINE_SCALE_ROUGHNESS>> of a <SURFACE>. | REAL | LENGTH | 374 |
| FINE_SCALE_ROUGHNESS | The fine-scale (within one or two orders of magnitude of the <<WAVELENGTH>> of the electromagnetic radiation of concern) roughness of a <SURFACE>, expressed as the standard deviation of the surface variation. | REAL | LENGTH | 375 |
| FIRE_ESCAPE_EXTENDED | An indication that the retracting, lowest section of a <FIRE_ESCAPE> is extended for use. | BOOLEAN | 376 | |
| FIRE_POWER_DAMAGE | A number between 0 and 1 inclusive representing the linearly-scaled fraction of the extent of physical injury/damage to an <OBJECT> affecting its capability to project firepower. Zero means not capable at all and one means fully capable. | REAL | PURE_NUMBER | 377 |
| FISHING_FACILITY_TYPE | The type of a <FISHING_FACILITY>. | ENUMERATION | 378 | |
| FISHING_VESSEL_DENSITY | The areal density of <FISHING_BOAT>s. | REAL | AREAL_ENTITY_DENSITY | 379 |
| FLOODLIT | An indication that a <SET> of floodlights are illuminating an <OBJECT>. | BOOLEAN | 380 | |
| FLOOR_CONSTRUCTION_TYPE | The type of material and/or techniques used to construct a <FLOOR>. | ENUMERATION | 381 | |
| FLOOR_COVERING_TYPE | The type of the covering of a <FLOOR>. | ENUMERATION | 382 | |
| FLOOR_LEVEL_COUNT | The number of <FLOOR_LEVEL>s for accommodating <HUMAN>s or <EQUIPMENT> in a <BUILDING>, possibly different from the number of stories in the <BUILDING>. <FLOOR_LEVEL>s may include underground <FLOOR_LEVEL>s as well as above ground <FLOOR_LEVEL>s; the floor level count. | COUNT | 383 | |
| FLOOR_LEVEL_ID | The numeric identifier of a <FLOOR_LEVEL>. | INDEX | 384 | |
| FLOW_DIRECTION | The <DIRECTION> of flow. | REAL | PLANE_ANGLE | 385 |
| FOG_COVERAGE_FRACTION | A number between 0 and 1 inclusive representing the linearly-scaled fraction of the areal fraction of a <REGION> that is covered by <FOG>, as seen from above. Zero means no coverage at all and one means complete coverage. | REAL | PURE_NUMBER | 386 |
| FOG_DETECTOR_LIGHT_PRESENT | An indication that an <OBJECT> has an associated detector light for <FOG>. | BOOLEAN | 387 | |
| FOG_EXTINCTION_COEFFICIENT | The <<EXTINCTION_COEFFICIENT_LOSS>> due to <FOG>. | REAL | LINEAR_ENERGY_TRANSFER | 388 |
| FOG_PRESENT | An indication that <FOG> is present. | BOOLEAN | 389 | |
| FOG_PROBABILITY | The probability of the occurrence of <FOG>. | REAL | PURE_NUMBER | 390 |
| FOG_SIGNAL_GENERATION_TYPE | The type of mechanism of signal generation in the presence of <FOG>. | ENUMERATION | 391 | |
| FOG_THICKNESS | The height of a bank of <FOG> relative to the local <TERRAIN>, where the base of the <FOG> is assumed to be at ground level; fog thickness. | REAL | LENGTH | 392 |
| FOLIAGE_STATE | The state of the foliage within a delineated <REGION>. | ENUMERATION | 393 | |
|
FORMATION_RUNNING_LIGHT- _INTENSITY |
A number between 0 and 1 inclusive representing the linearly-scaled fractional intensity of the external <LIGHTING> used to maintain spatial relationships with/by <VEHICLE>s; the formation, running, or tail light intensity. Zero means unlit and one means maximum intensity. | REAL | PURE_NUMBER | 394 |
| FRACTIONAL_CONTENT | A number between 0 and 1 inclusive representing the linearly-scaled fraction of the total composition of an <OBJECT>. Zero means that there is no contribution and one means that the <OBJECT> is homogeneous. | REAL | PURE_NUMBER | 395 |
| FREQUENCY | The frequency of an audio, electromagnetic, or light wave. | REAL | FREQUENCY | 396 |
|
FREQUENCY_INDEPENDENT- _ACOUSTIC_SCATTERING_LEVEL |
In a <WATER_BODY>, the frequency-independent acoustic scattering level. | REAL | FIELD_OR_POWER_LEVEL_DIFF | 397 |
| FRIGATE_TYPE | The type of a <FRIGATE>. | ENUMERATION | 398 | |
| FRONT_AND_AXIS_REFERENCE | The association of the front, or long, axis of an <OBJECT> to an axis of a reference local orthonormal coordinate system. | ENUMERATION | 399 | |
| FROZEN_SOIL_LAYER_BOTTOM_DEPTH | The <<DEPTH>> from the <TERRAIN> to the base of a layer of frozen <SOIL>. | REAL | LENGTH | 400 |
| FROZEN_SOIL_LAYER_TOP_DEPTH | The <<DEPTH>> from the <TERRAIN> to the top of a layer of frozen <SOIL>. | REAL | LENGTH | 401 |
| FROZEN_SURFACE_COVER_TYPE | The type of frozen <PRECIPITATION> and/or frozen <WATER> that is present covering a <SURFACE>. | ENUMERATION | 402 | |
| FUEL_FACILITIES_AVAILABLE | The type of fuel <FACILITY>s available at or in the near vicinity. | ENUMERATION | 403 | |
| FUNCTIONAL_RUNWAY_COUNT | The number of fully functional <RUNWAY>s at an <AERODROME>; the functional runway count. | COUNT | 404 | |
| FURNITURE_TYPE | The type of <FURNITURE>. | ENUMERATION | 405 |
http://www.iso.ch/iso/en/ittf/PubliclyAvailableStandards/ISO_IEC_18025_Ed1.html