The Aviation System Block Upgrades - ASBUs (Edition March 2013) incorporates the Recommendations from the AN-Conf/12.
Please note, the Working Document for the Aviation System Block Upgrades (ASBUs) posted on this website is unofficial and subject to change. Official version will be posted following the 38th Assembly of ICAO to be held from 24 September to 4 October, 2013.
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VERSION 4 SAMPLE TEMPLATE OF THE AIR NAVIGATION REPORT FORM (ANRF)