INTERNATIONAL STANDARDS AND RECOMMENDED PRACTICES OPERATION OF AIRCRAFT ANNEX 6 TO THE CONVENTION ON INTERNATIONAL CIVIL AVIATION PART I.- INTERNATIONAL COMMERCIAL AIR TRANSPORT SECOND EDITION - SEPTEMBER 1970 CORRIGENDUM No. 1 English text only 1. Page 20, paragraph 6 -4 Amend sub-paragraph to read d - an airspeed indicator and Corrivendum No. 1 English text only 1/2/71 2. Record this Corrigendum on the Record Sheet, page 2. - END -.