Text in force at CS29-12: from CS29-0, effective 14 Nov 2003.
The horizontal distance required to take-off and climb over a 15 m (50-foot) obstacle must be established wi th t he m ost unfavourabl e centre of gravity. The take-off may be begun in any manner if –
(a) The take-off surface is defined;
(b) Adequate safeguards are maintained to ensure proper cent re of gravity and control positions; and
(c) A landing can be made safely at any point along the flight path if an engine fails.
ED Decision 2003/016/RM · Source