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GM2 MET.TR.210 Observing meteorological elements
Available versions for ERULES-1963177438-3427
ED Decision 2022/004/R
found in: ATM/ANS Provision of Services (2017/373) (Mar 2025)
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GM2 MET.TR.210 Observing meteorological elements ED Decision 2022/004/R OPERATIONALLY DESIRABLE ACCURACY OF OBSERVATION <table border="1" cellpadding="0" cellspacing="0" width="608"><tr><td width="304"><p>Element to be observed</p></td><td width="304"><p>Operationally desirable accuracy</p><p>of measurement or observation*</p></td></tr><tr><td width="304"><p>Mean surface wind</p></td><td width="304"><p>Direction: ± 10°</p><p>Speed: ± 1 kt up to 10 kt</p><p>± 10 % above 10 kt</p></td></tr><tr><td width="304"><p>Variations from the mean surface wind</p></td><td width="304"><p>± 2 kt, in terms of longitudinal and lateral components</p></td></tr><tr><td width="304"><p>Visibility</p></td><td width="304"><p>± 50 m up to 600 m</p><p>± 10 % between 600 m and 1 500 m</p><p>± 20 % above 1 500 m</p></td></tr><tr><td width="304"><p>Runway visual range</p></td><td width="304"><p>± 10 m up to 400 m</p><p>± 25 m between 400 m and 800 m</p><p>± 10 % above 800 m</p></td></tr><tr><td width="304"><p>Cloud amount</p></td><td width="304"><p>± 1 okta</p></td></tr><tr><td width="304"><p>Cloud height</p></td><td width="304"><p>± 33 ft up to 330 ft </p><p>± 10 % above 330 ft</p></td></tr><tr><td width="304"><p>Air temperature and dew-point temperature</p></td><td width="304"><p>± 1°C</p></td></tr><tr><td width="304"><p>Pressure value (QNH, QFE)</p></td><td width="304"><p>± 0.5 hPa</p></td></tr><tr><td colspan="2" valign="top" width="608"><p>* The operationally desirable accuracy is not intended as an operational requirement; it is to be understood as a goal that has been expressed by the operators.</p></td></tr></table>
GM2 MET.TR.210 Observing meteorological elements ED Decision 2022/004/R OPERATIONALLY DESIRABLE ACCURACY OF OBSERVATION <table border="1" cellpadding="0" cellspacing="0" width="608"> <tr> <td width="304"> <p>Element to be observed</p> </td> <td width="304"> <p>Operationally desirable accuracy</p> <p>of measurement or observation*</p> </td> </tr> <tr> <td width="304"> <p>Mean surface wind</p> </td> <td width="304"> <p>Direction: ± 10°</p> <p>Speed: ± 1 kt up to 10 kt</p> <p>± 10 % above 10 kt</p> </td> </tr> <tr> <td width="304"> <p>Variations from the mean surface wind</p> </td> <td width="304"> <p>± 2 kt, in terms of longitudinal and lateral components</p> </td> </tr> <tr> <td width="304"> <p>Visibility</p> </td> <td width="304"> <p>± 50 m up to 600 m</p> <p>± 10 % between 600 m and 1 500 m</p> <p>± 20 % above 1 500 m</p> </td> </tr> <tr> <td width="304"> <p>Runway visual range</p> </td> <td width="304"> <p>± 10 m up to 400 m</p> <p>± 25 m between 400 m and 800 m</p> <p>± 10 % above 800 m</p> </td> </tr> <tr> <td width="304"> <p>Cloud amount</p> </td> <td width="304"> <p>± 1 okta</p> </td> </tr> <tr> <td width="304"> <p>Cloud height</p> </td> <td width="304"> <p>± 33 ft up to 330 ft </p> <p>± 10 % above 330 ft</p> </td> </tr> <tr> <td width="304"> <p>Air temperature and dew-point temperature</p> </td> <td width="304"> <p>± 1°C</p> </td> </tr> <tr> <td width="304"> <p>Pressure value (QNH, QFE)</p> </td> <td width="304"> <p>± 0.5 hPa</p> </td> </tr> <tr> <td colspan="2" valign="top" width="608"> <p>* The operationally desirable accuracy is not intended as an operational requirement; it is to be understood as a goal that has been expressed by the operators.</p> </td> </tr> </table>