Publication: Magyar Közlöny
Issue: MK-2009-104 (Year: 2009, Number: 104)
Era: 2004-2010
Section: 
Paragraph Index: 2690

b) relay messages between the intercepted aircraft and the appropriate ATS unit, the intercept control unit or the intercepting aircraft. 2.25 Time in air traffic services 2.25.1 Air traffic services units shall use Coordinated Universal Time (UTC) and shall express the time in hours and minutes and, when required, seconds of the 24-hour day beginning at midnight. 2.25.2 Air traffic services units shall be equipped with clocks indicating the time in hours, minutes and seconds, clearly visible from each operating position in the unit concerned. 2.25.3 Air traffic services unit clocks and other timerecording devices shall be checked as necessary to ensure correct time to within plus or minus 30 seconds of UTC. Wherever data link communications are utilized by an air traffic services unit, clocks and other time-recording devices shall be checked as necessary to ensure correct time to within 1 second of UTC. 2.25.4 The correct time shall be obtained from a standard time station or, if not possible, from another unit which has obtained the correct time from such station. 2.25.5 Aerodrome control towers shall, prior to an aircraft taxiing for take-off, provide the pilot with the correct time, unless arrangements have been made for the pilot to obtain it from other sources. Air traffic services units shall, in addition, provide aircraft with the correct time on request. Time checks shall be given to the nearest half minute. 2.26 Establishment of requirements for carriage and operation of pressure-altitude reporting transponders States shall establish requirements for carriage and operation of pressure-altitude reporting transponders within defined portions of airspace. Note.— This provision is intended to improve the effectiveness of air traffic services as well as airborne collision avoidance systems. 2.27 Safety management 2.27.1 States shall establish a safety programme, in order to achieve an acceptable level of safety in the provision of ATS. 2.27.2 The acceptable level of safety to be achieved shall be established by the State(s) concerned. Note.— Guidance on safety programmes and on defining acceptable levels of safety is contained in Attachment E and the Safety Management Manual (SMM) (Doc 9859). 2.27.3 States shall require, as part of their safety programme, that an air traffic services provider implements a safety management system acceptable to the State that, as a minimum:

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