§23.2210 Structural design loads

(a) The applicant must: (1) determine structural design loads resulting from likely externally or internally applied pressure, force or moment which may occur in flight, ground and water operations, ground- and water- handling, and while the aeroplane is parked or moored; (2) determine the loads required by CS 23.2210(a)(1) at all critical combinations of parameters, on and within the boundaries of the structural design envelope; and (3) the magnitude and distribution of these loads must be based on established physical principles within the structural design envelope.