Annex 16 Amendment No. 1 to Supplement Corrigendum No. 1 8/3/74 AMENDMENT No. 1 TO THE SUPPLEbENT TO ANNEX 16, FIRST EDITION A1 RCRAFT NO1 SE CORRIGENDUM No. 1 Page 9, United States Please replace the difference under Part 11, Chapter 2, 188.8.131.52 by the following The United States requires the use of take-off thrust from the start of take-off to the point at which aircraft equipped with three or less turbojet engines reach a height of at least 1 000 feet, or aircraft equipped with more than three turbojet engines reach a height of at least 700 feet. The thrust thereafter shall not be reduced below that required to maintain a four per cent climb gradient, or to maintain level flight with one engine inoperative, whichever thrust is greater.