Text in force at 23-63: from 23-42, effective 4 Feb 1991.
(a) A horizontal [surface] balancing load is a load necessary to maintain equilibrium in any specified flight condition with no pitching acceleration.
(b) Horizontal [balancing] surfaces must be designed for the balancing loads occurring at any point on the limit maneuvering envelope and in the flap conditions specified in Sec. 23.345. Error Error 404HTTP Web Server: Item Not Found Exception - NPRMActions
56 FR 352 · Source