Notification of Amendments to Material Incorporated by Reference into Rules Pursuant to section 36 (2a) of the Civil Aviation Act 1990, I, Kevin William Ward, Director of Civil Aviation, give notice of the amendment of the following ICAO documents incorporated by reference in the Civil Aviation Rules which will take effect from 8 April 1999 Part 172 Air Traffic Service Organisation Certification Amendment number 73 to Annex 10 Volume II, made by the International Civil Aviation Organisation, incorporated by reference into Civil Aviation Rule 172.105 (b) (2). Amendment 38 to Annex 11 to the Convention on International Civil Aviation, published by the International Civil Aviation Organisation, incorporated by reference into Civil Aviation Rules 172.75 and 172.77. Amendment number 2 to the thirteenth edition of Document 4444, made by the International Civil Aviation Organisation, incorporated by reference into Civil Aviation Rules 172.67 (f), 172.75 (c) (2), 172.77 (a) (4) (ii), 172.105 (b) (3), 172.107 (1), 172.107 (3) (i), and Part 172 Appendix A (A.1). Part 91 General Operating and Flight Rules Amendments 186, 187, 188, 189, 190, 191, 192 and 193, made by the International Civil Aviation Organisation to Regional Supplementary Procedures (Document 7030), incorporated by reference into Civil Aviation Rules 91.246 (g) (2) (iii), 91.519 (d), and Part 91 Appendix A paragraph A.10 (1). Dated this 1st day of April 1999. KEVIN WILLIAM WARD, Director of Civil Aviation.