Table 6.28 -- EDCS Attributes whose label begins with Y
| Label | Definition | Attribute value type | EQ label | Related concepts | Code |
| YAW_ANGLE | The angular distance about the local vertical axis, from planetary geodetic north counter clockwise (viewed from above) to the forward axis of an object, measured in the local horizontal plane. 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 | 1357 | |
| YEAR_COMMON_ERA | The time period as measured by the Gregorian calendar in years since the beginning of the Common Era. | INTEGER | PURE_NUMBER | 1358 | |
| YOUNG_MODULUS | The ratio of the tensile stress to tensile strain of a material. | REAL | PRESSURE | 1359 |