AMC10 ATS.TR.210(a)(3) Operation of air traffic control service
ED Decision 2020/008/R
INFORMATION FOR ARRIVING AIRCRAFT
(a) As early as practicable after an aircraft has established communication with the unit providing approach control service, the following elements of information, in the order listed, should be transmitted to the aircraft, with the exception of such elements which are known to have been already received by the aircraft:
(1) Type of approach and runway-in-use
(2) Meteorological information, as follows:
(i) surface wind direction and speed, including significant variations therein;
(ii) visibility and, when applicable, runway visual range (RVR);
(iii) present weather;
(iv) cloud below 1 500 m (5 000 ft) or below the highest minimum sector altitude, whichever is greater; cumulonimbus; if the sky is obscured, vertical visibility when available;
(v) air temperature;
(vi) dew point temperature, inclusion determined on the basis of a regional air navigation agreement;
(vii) altimeter setting(s);
(viii) any available information on significant meteorological phenomena in the approach area; and
(ix) trend-type landing forecast, when available.
(3) Current runway surface conditions, in case of precipitants or other temporary hazards
(4) Changes in the operational status of visual and non-visual aids essential for approach and landing
(b) At the commencement of final approach, the following information should be transmitted to aircraft:
(1) significant changes in the mean surface wind direction and speed;
(2) the latest information, if any, on wind shear and/or turbulence in the final approach area; and
(3) the current visibility representative of the direction of approach and landing or, when provided, the current RVR value(s) and the trend.
(c) During final approach, the following information should be transmitted without delay:
(1) the sudden occurrence of hazards (e.g. unauthorised traffic on the runway);
(2) significant variations in the current surface wind, expressed in terms of minimum and maximum values;
(3) significant changes in runway surface conditions;
(4) changes in the operational status of required visual or non-visual aids; and
(5) changes in observed RVR value(s), in accordance with the reported scale in use, or changes in the visibility representative of the direction of approach and landing.
Air traffic controllers must provide arriving aircraft with essential information upon initial contact, including approach type, runway, weather (winds, visibility, cloud, temperature, altimeter), runway conditions, and changes to navigation aids. During final approach, controllers must relay wind changes, turbulence, and updated visibility. Immediate hazard warnings are crucial throughout the final approach.
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