ICAO ANNEX 4 PDF

FOREWORD

Historical background

Standards and Recommended Practices for Aeronautical Charts were first adopted by the Council on 16 April 1948, pursuant to the provisions of Article 37 of the Convention on International Civil Aviation (Chicago, 1944), and were designated as Annex 4 to the Convention. They became applicable on 1 March 1949.

A shows the origin of subsequent amendments together with a list of the principal subjects involved and the dates on which the Annex and the amendments were adopted by the Council, when they became effective and when they became applicable.