CS 22.421  Balancing loads

CAA ORS9 Decision No. 1

(a) A horizontal tail balancing load is the load necessary to maintain equilibrium in any specified flight condition with no pitching acceleration. 

(b) The horizontal tail must be designed for the balancing loads occurring at any point of the limit manoeuvring envelope and in the air-brake and wing-flap positions as specified in CS 22.333 and CS 22.345.