<element name="height" type="fb:LengthType" minOccurs="0" maxOccurs="1">
  <annotation>
    <documentation>Used, for example, to indicate a package's dimensions.</documentation>
  </annotation>
</element>

<element name="length" type="fb:LengthType" minOccurs="0" maxOccurs="1">
  <annotation>
    <documentation>Used, for example, to indicate a package's dimensions.</documentation>
  </annotation>
</element>

<element name="width" type="fb:LengthType" minOccurs="0" maxOccurs="1">
  <annotation>
    <documentation>Used, for example, to indicate a package's dimensions.</documentation>
  </annotation>
</element>

<fb:Dimensions>
  <fb:height uom="">{0,1}</fb:height>
  <fb:length uom="">{0,1}</fb:length>
  <fb:width uom="">{0,1}</fb:width>
</fb:Dimensions>

<element name="Dimensions" type="fb:DimensionsType"/>

<complexType name="TrueAirspeedType">
  <annotation>
    <documentation>The speed of the aeroplane relative to undisturbed air. [ICAO Doc 9713]</documentation>
  </annotation>
  <simpleContent>
    <extension base="fb:RestrictedTrueAirspeedType">
      <attribute name="uom" type="fb:UomAirspeedType" use="required">
        <annotation>
          <documentation>Unit of measure</documentation>
        </annotation>
      </attribute>
    </extension>
  </simpleContent>
</complexType>

<simpleType name="RestrictedTrueAirspeedType">
  <annotation>
    <documentation>Helper type for restrictions on TrueAirspeedType</documentation>
  </annotation>
  <restriction base="fb:SpeedType">
    <minInclusive value="0"/>
  </restriction>
</simpleType>

<simpleType name="SpeedType">
  <annotation>
    <documentation>The value of a speed. [AIXM 5.1]</documentation>
  </annotation>
  <restriction base="fb:MeasureType"/>
</simpleType>

<simpleType name="MeasureType">
  <annotation>
    <documentation>The result from performing the act or process of ascertaining the value of a characteristic of some entity. [ISO 19103, chapter 6.5.7.2]</documentation>
  </annotation>
  <restriction base="xs:double"/>
</simpleType>

<complexType name="DistanceType">
  <annotation>
    <documentation>A type for returning the separation between two points. [ISO 19103, chapter 6.5.7.7]</documentation>
  </annotation>
  <simpleContent>
    <extension base="fb:LengthType"/>
  </simpleContent>
</complexType>

<complexType name="LengthType">
  <annotation>
    <documentation>The measure of distance as an integral, for example the length of curve, the perimeter of a polygon as the length of the boundary. [ISO 19103, chapter 6.5.7.6]</documentation>
  </annotation>
  <simpleContent>
    <extension base="fb:RestrictedLengthType">
      <attribute name="uom" type="fb:UomLengthType" use="required">
        <annotation>
          <documentation>Unit of measure</documentation>
        </annotation>
      </attribute>
    </extension>
  </simpleContent>
</complexType>

<simpleType name="RestrictedLengthType">
  <annotation>
    <documentation>Helper type for restrictions on LengthType</documentation>
  </annotation>
  <restriction base="fb:MeasureType">
    <minInclusive value="0"/>
  </restriction>
</simpleType>

<complexType name="AltitudeType">
  <annotation>
    <documentation>The vertical distance of a level, a point or an object considered as a point, measured from mean sea level (MSL). [ICAO Doc 4444]</documentation>
  </annotation>
  <simpleContent>
    <extension base="fb:VerticalDistanceType">
      <attribute name="uom" type="fb:UomAltitudeType" use="required">
        <annotation>
          <documentation>Unit of measure</documentation>
        </annotation>
      </attribute>
    </extension>
  </simpleContent>
</complexType>

<complexType name="VerticalDistanceType">
  <annotation>
    <documentation>A vertical distance value. [AIXM 5.1]</documentation>
  </annotation>
  <simpleContent>
    <extension base="fb:MeasureType">
      <attribute name="ref" type="fb:VerticalReferenceType" use="optional">
        <annotation>
          <documentation>Reference for the vertical measure</documentation>
        </annotation>
      </attribute>
    </extension>
  </simpleContent>
</complexType>

<simpleType name="VerticalReferenceType">
  <annotation>
    <documentation>A code indicating the reference for a vertical distance. [AIXM 5.1]</documentation>
  </annotation>
  <restriction base="xs:string">
    <enumeration value="MSL">
      <annotation>
        <documentation>The distance measured from mean sea level (equivalent to altitude). [AIXM 5.1]</documentation>
      </annotation>
    </enumeration>
    <enumeration value="SFC">
      <annotation>
        <documentation>The distance measured from the surface of the Earth (equivalent to AGL - Above Ground Level). [AIXM 5.1]</documentation>
      </annotation>
    </enumeration>
    <enumeration value="STD">
      <annotation>
        <documentation>The vertical distance is measured with an altimeter set to the standard atmosphere. [AIXM 5.1]</documentation>
      </annotation>
    </enumeration>
    <enumeration value="W84">
      <annotation>
        <documentation>The distance measured from the WGS84 ellipsoid. [AIXM 5.1]</documentation>
      </annotation>
    </enumeration>
  </restriction>
</simpleType>

<complexType name="FlightLevelType">
  <annotation>
    <documentation>A surface of constant atmospheric pressure which is related to a specific pressure datum, 1 013.2 hectopascals (hPa), and is separated from other such surfaces by specific pressure intervals. [ICAO Doc 4444]</documentation>
  </annotation>
  <simpleContent>
    <extension base="fb:VerticalDistanceType">
      <attribute name="uom" type="fb:UomFlightLevelType" use="required">
        <annotation>
          <documentation>Unit of measure</documentation>
        </annotation>
      </attribute>
    </extension>
  </simpleContent>
</complexType>

<complexType name="IndicatedAirspeedType">
  <annotation>
    <documentation>The uncorrected reading on the airspeed indicator. [ICAO Doc 9426]</documentation>
  </annotation>
  <simpleContent>
    <extension base="fb:RestrictedIndicatedAirspeedType">
      <attribute name="uom" type="fb:UomAirspeedType" use="required">
        <annotation>
          <documentation>Unit of measure</documentation>
        </annotation>
      </attribute>
    </extension>
  </simpleContent>
</complexType>

<simpleType name="RestrictedIndicatedAirspeedType">
  <annotation>
    <documentation>Helper type for restrictions on IndicatedAirspeedType</documentation>
  </annotation>
  <restriction base="fb:SpeedType">
    <minInclusive value="0"/>
  </restriction>
</simpleType>

<complexType name="PressureType">
  <annotation>
    <documentation>The value of a pressure. [AIXM 5.1]</documentation>
  </annotation>
  <simpleContent>
    <extension base="fb:RestrictedPressureType">
      <attribute name="uom" type="fb:UomPressureType" use="required">
        <annotation>
          <documentation>Unit of measure</documentation>
        </annotation>
      </attribute>
    </extension>
  </simpleContent>
</complexType>

<simpleType name="RestrictedPressureType">
  <annotation>
    <documentation>Helper type for restrictions on PressureType</documentation>
  </annotation>
  <restriction base="fb:MeasureType">
    <minInclusive value="0"/>
  </restriction>
</simpleType>

<complexType name="TemperatureType">
  <annotation>
    <documentation>The value of a temperature. [AIXM 5.1]</documentation>
  </annotation>
  <simpleContent>
    <extension base="fb:MeasureType">
      <attribute name="uom" type="fb:UomTemperatureType" use="required">
        <annotation>
          <documentation>Unit of measure</documentation>
        </annotation>
      </attribute>
    </extension>
  </simpleContent>
</complexType>

<complexType name="WindDirectionType">
  <annotation>
    <documentation>Direction from which the wind blows. [International Meteorological Vocabulary, WMO]</documentation>
  </annotation>
  <simpleContent>
    <extension base="fb:AngleType"/>
  </simpleContent>
</complexType>

<complexType name="AngleType">
  <annotation>
    <documentation>The amount of rotation needed to bring one line or plane into coincidence with another, generally measured in radians or degrees. [ISO 19103, chapter 6.5.7.9]</documentation>
  </annotation>
  <simpleContent>
    <extension base="fb:RestrictedAngleType">
      <attribute name="uom" type="fb:UomAngleType" use="required">
        <annotation>
          <documentation>Unit of measure</documentation>
        </annotation>
      </attribute>
    </extension>
  </simpleContent>
</complexType>

<simpleType name="RestrictedAngleType">
  <annotation>
    <documentation>Helper type for restrictions on AngleType</documentation>
  </annotation>
  <restriction base="fb:MeasureType">
    <maxInclusive value="360"/>
    <minInclusive value="0"/>
  </restriction>
</simpleType>

<complexType name="WindSpeedType">
  <annotation>
    <documentation>The speed of wind. [FIXM]</documentation>
  </annotation>
  <simpleContent>
    <extension base="fb:RestrictedWindSpeedType">
      <attribute name="uom" type="fb:UomWindSpeedType" use="required">
        <annotation>
          <documentation>Unit of measure</documentation>
        </annotation>
      </attribute>
    </extension>
  </simpleContent>
</complexType>

<simpleType name="RestrictedWindSpeedType">
  <annotation>
    <documentation>Helper type for restrictions on WindSpeedType</documentation>
  </annotation>
  <restriction base="fb:SpeedType">
    <minInclusive value="0"/>
  </restriction>
</simpleType>

<complexType name="GroundSpeedType">
  <annotation>
    <documentation>The speed of an aircraft relative to the surface of the earth. [ICAO Doc 9426]</documentation>
  </annotation>
  <simpleContent>
    <extension base="fb:RestrictedGroundSpeedType">
      <attribute name="uom" type="fb:UomGroundSpeedType" use="required">
        <annotation>
          <documentation>Unit of measure</documentation>
        </annotation>
      </attribute>
    </extension>
  </simpleContent>
</complexType>

<simpleType name="RestrictedGroundSpeedType">
  <annotation>
    <documentation>Helper type for restrictions on GroundSpeedType</documentation>
  </annotation>
  <restriction base="fb:SpeedType">
    <minInclusive value="0"/>
  </restriction>
</simpleType>

<complexType name="WeightType">
  <annotation>
    <documentation>The value of a weight. [AIXM 5.1]</documentation>
  </annotation>
  <simpleContent>
    <extension base="fb:RestrictedWeightType">
      <attribute name="uom" type="fb:UomWeightType" use="required">
        <annotation>
          <documentation>Unit of measure</documentation>
        </annotation>
      </attribute>
    </extension>
  </simpleContent>
</complexType>

<simpleType name="RestrictedWeightType">
  <annotation>
    <documentation>Helper type for restrictions on WeightType</documentation>
  </annotation>
  <restriction base="fb:MeasureType">
    <minInclusive value="0"/>
  </restriction>
</simpleType>

<complexType name="DimensionsType">
  <annotation>
    <documentation>Describes dimensions: width, height, length.</documentation>
  </annotation>
  <sequence>
    <element name="height" type="fb:LengthType" minOccurs="0" maxOccurs="1">
      <annotation>
        <documentation>Used, for example, to indicate a package's dimensions.</documentation>
      </annotation>
    </element>
    <element name="length" type="fb:LengthType" minOccurs="0" maxOccurs="1">
      <annotation>
        <documentation>Used, for example, to indicate a package's dimensions.</documentation>
      </annotation>
    </element>
    <element name="width" type="fb:LengthType" minOccurs="0" maxOccurs="1">
      <annotation>
        <documentation>Used, for example, to indicate a package's dimensions.</documentation>
      </annotation>
    </element>
  </sequence>
</complexType>

<complexType name="RadioactivityType">
  <annotation>
    <documentation>The measure of the rate of decay, or activity, of a radioactive material. [FIXM]</documentation>
  </annotation>
  <simpleContent>
    <extension base="fb:MeasureType">
      <attribute name="uom" type="fb:UomRadioactivityType" use="required">
        <annotation>
          <documentation>Unit of measure</documentation>
        </annotation>
      </attribute>
    </extension>
  </simpleContent>
</complexType>

<complexType name="VolumeType">
  <annotation>
    <documentation>The measure of the physical space of any 3-D geometric object. [ISO 19103, chapter 6.5.7.15]</documentation>
  </annotation>
  <simpleContent>
    <extension base="fb:RestrictedVolumeType">
      <attribute name="uom" type="fb:UomVolumeType" use="required">
        <annotation>
          <documentation>Unit of measure</documentation>
        </annotation>
      </attribute>
    </extension>
  </simpleContent>
</complexType>

<simpleType name="RestrictedVolumeType">
  <annotation>
    <documentation>Helper type for restrictions on VolumeType</documentation>
  </annotation>
  <restriction base="fb:MeasureType">
    <minInclusive value="0"/>
  </restriction>
</simpleType>

<complexType name="FrequencyType">
  <annotation>
    <documentation>The frequency value of a navigation system. [AIXM 5.1]</documentation>
  </annotation>
  <simpleContent>
    <extension base="fb:RestrictedFrequencyType">
      <attribute name="uom" type="fb:UomFrequencyType" use="required">
        <annotation>
          <documentation>Unit of measure</documentation>
        </annotation>
      </attribute>
    </extension>
  </simpleContent>
</complexType>

<simpleType name="RestrictedFrequencyType">
  <annotation>
    <documentation>Helper type for restrictions on FrequencyType</documentation>
  </annotation>
  <restriction base="fb:MeasureType">
    <minInclusive value="0"/>
  </restriction>
</simpleType>

<complexType name="BearingType">
  <annotation>
    <documentation>A data type used to represent direction in the coordinate reference system. [ISO 19107, chapter 6.3.12.1] The value of a bearing indication (at a given point) is measured as the angle between the bearing and either True North or Magnetic North. The angle is measured clockwise from 0 degrees up to and including 360 degrees. The value can also be a VOR radial. [AIXM 5.1]</documentation>
  </annotation>
  <simpleContent>
    <extension base="fb:AngleType">
      <attribute name="zeroBearingType" type="fb:ZeroBearingTypeType" use="optional">
        <annotation>
          <documentation>A code indicating the direction of the zero bearing.</documentation>
        </annotation>
      </attribute>
    </extension>
  </simpleContent>
</complexType>

<simpleType name="ZeroBearingTypeType">
  <annotation>
    <documentation>A code indicating the direction of the zero bearing.</documentation>
  </annotation>
  <restriction base="xs:string">
    <enumeration value="TRUE_NORTH">
      <annotation>
        <documentation>This value indicates that the direction is relative to True North.</documentation>
      </annotation>
    </enumeration>
    <enumeration value="MAGNETIC_NORTH">
      <annotation>
        <documentation>This value indicates that the direction is relative to Magnetic North.</documentation>
      </annotation>
    </enumeration>
  </restriction>
</simpleType>

<complexType name="HeightType">
  <annotation>
    <documentation>The vertical distance of a level, a point or an object considered as a point, measured from a specified datum. [ICAO Doc 4444]</documentation>
  </annotation>
  <simpleContent>
    <extension base="fb:VerticalDistanceType">
      <attribute name="uom" type="fb:UomHeightType" use="required">
        <annotation>
          <documentation>Unit of measure</documentation>
        </annotation>
      </attribute>
    </extension>
  </simpleContent>
</complexType>

<complexType name="VerticalRateType">
  <annotation>
    <documentation>An expression of an aircraft's vertical rate of change. [FIXM]</documentation>
  </annotation>
  <simpleContent>
    <extension base="fb:SpeedType">
      <attribute name="uom" type="fb:UomVerticalRateType" use="required">
        <annotation>
          <documentation>Unit of measure</documentation>
        </annotation>
      </attribute>
    </extension>
  </simpleContent>
</complexType>

<attribute name="uom" type="fb:UomAirspeedType" use="required">
  <annotation>
    <documentation>Unit of measure</documentation>
  </annotation>
</attribute>

<attribute name="uom" type="fb:UomLengthType" use="required">
  <annotation>
    <documentation>Unit of measure</documentation>
  </annotation>
</attribute>

<attribute name="ref" type="fb:VerticalReferenceType" use="optional">
  <annotation>
    <documentation>Reference for the vertical measure</documentation>
  </annotation>
</attribute>

<attribute name="uom" type="fb:UomAltitudeType" use="required">
  <annotation>
    <documentation>Unit of measure</documentation>
  </annotation>
</attribute>

<attribute name="uom" type="fb:UomFlightLevelType" use="required">
  <annotation>
    <documentation>Unit of measure</documentation>
  </annotation>
</attribute>

<attribute name="uom" type="fb:UomAirspeedType" use="required">
  <annotation>
    <documentation>Unit of measure</documentation>
  </annotation>
</attribute>