Table 6.29 — EAs with labels beginning with Y
Label Concept definition Figure(s) Attribute value type EQ label Code
YAW_ANGLE The angular distance measured in the local horizontal plane about the local vertical axis from planetary geodetic north counter clockwise (viewed from above) to the forward axis of an <OBJECT>; the yaw angle. The forward axis of the <OBJECT> is the axis that passes through the <OBJECT> centre and is directed towards the forward part or <SURFACE> (front) of the <OBJECT>.   REAL PLANE_ANGLE 1657
YEAR_COMMON_ERA The<<TIME_QUANTITY>> as measured by the Gregorian calendar in whole years since the beginning of the Common Era.   INTEGER   1658