<simpleType name="CodeAirspaceActivityBaseType">
    <union>
        <simpleType>
            <restriction base="string">
                <enumeration value="AD_TFC" />
                <enumeration value="HELI_TFC" />
                <enumeration value="TRAINING" />
                <enumeration value="AEROBATICS" />
                <enumeration value="AIRSHOW" />
                <enumeration value="SPORT" />
                <enumeration value="ULM" />
                <enumeration value="GLIDING" />
                <enumeration value="PARAGLIDER" />
                <enumeration value="HANGGLIDING" />
                <enumeration value="PARACHUTE" />
                <enumeration value="AIR_DROP" />
                <enumeration value="BALLOON" />
                <enumeration value="RADIOSONDE" />
                <enumeration value="SPACE_FLIGHT" />
                <enumeration value="UAV" />
                <enumeration value="AERIAL_WORK" />
                <enumeration value="CROP_DUSTING" />
                <enumeration value="FIRE_FIGHTING" />
                <enumeration value="MILOPS" />
                <enumeration value="REFUEL" />
                <enumeration value="JET_CLIMBING" />
                <enumeration value="EXERCISE" />
                <enumeration value="TOWING" />
                <enumeration value="NAVAL_EXER" />
                <enumeration value="MISSILES" />
                <enumeration value="AIR_GUN" />
                <enumeration value="ARTILLERY" />
                <enumeration value="SHOOTING" />
                <enumeration value="BLASTING" />
                <enumeration value="WATER_BLASTING" />
                <enumeration value="ANTI_HAIL" />
                <enumeration value="BIRD" />
                <enumeration value="BIRD_MIGRATION" />
                <enumeration value="FIREWORK" />
                <enumeration value="HI_RADIO" />
                <enumeration value="HI_LIGHT" />
                <enumeration value="LASER" />
                <enumeration value="NATURE" />
                <enumeration value="FAUNA" />
                <enumeration value="NO_NOISE" />
                <enumeration value="ACCIDENT" />
                <enumeration value="POPULATION" />
                <enumeration value="VIP" />
                <enumeration value="VIP_PRES" />
                <enumeration value="VIP_VICE" />
                <enumeration value="OIL" />
                <enumeration value="GAS" />
                <enumeration value="REFINERY" />
                <enumeration value="CHEMICAL" />
                <enumeration value="NUCLEAR" />
                <enumeration value="TECHNICAL" />
                <enumeration value="ATS" />
                <enumeration value="PROCEDURE" />
            </restriction>
        </simpleType>
        <simpleType>
            <restriction base="string">
                <pattern value="OTHER(:(\w|_){1,58})?" />
            </restriction>
        </simpleType>
    </union>
</simpleType>

• CodeAirspaceActivityBaseType
• aixm:CodeAirspaceActivityType
• aixm:activity