CS 22.333 Flight envelope

• ED Decision 2003/13/RM found in: Sailplane Rule Book - Part-SAO Part-SFCL CS-22 (Nov 2022)

CS 22.333 Flight envelope ED Decision 2003/13/RM (a) *General.* Compliance with the strength requirements of this Subpart must be shown at any combination of air speed and load factor on and within the boundaries of the flight envelopes specified by the manoeuvring and gust criteria of sub-paragraphs (b) and (c) of this paragraph respectively. (b) *Manoeuvring envelope.* Wing-flaps in the en-route setting, air brakes closed. (See Figure 1.)  Figure 1 MANOEUVRING ENVELOPE (c) *Gust envelope.* Wing-flaps in the enroute setting. (See Figure 2.) (1) At the design gust speed VB, the sailplane must be capable of withstanding positive (up) and negative (down) gusts of 15 m/s acting normal to the flight path. (2) At the design maximum speed VD, the sailplane must be capable of withstanding positive (up) and negative (down) gusts of 7.5 m/s acting normal to the flight path.  Figure 2 GUST ENVELOPE