CS 22.397 Loads resulting from limit pilot forces

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

CS 22.397 Loads resulting from limit pilot forces ED Decision 2003/13/RM (a) In addition to [CS 22.395(a)](#_DxCrossRefBm2056272131) the control systems for the direct control of the sailplane about its longitudinal, lateral, or yaw-axis (main control system) and other control systems affecting flight behaviour and supporting points must be designed to withstand as far as to the stops (these included) limit loads arising from the following pilot forces: <table border="1" cellpadding="0" cellspacing="0" width="567"><tr><td valign="top" width="136"><p><b>Control </b></p></td><td valign="top" width="84"><p><b>Pilot force daN </b></p></td><td valign="top" width="347"><p><b>Method of force application assuming single lever control systems </b></p></td></tr><tr><td valign="top" width="136"><p>Elevator </p></td><td valign="top" width="84"><p>35 </p></td><td valign="top" width="347"><p>Push and pull handgrip of control stick </p></td></tr><tr><td valign="top" width="136"><p>Ailerons </p></td><td valign="top" width="84"><p>20 </p></td><td valign="top" width="347"><p>Move handgrip of control stick sideways </p></td></tr><tr><td valign="top" width="136"><p>Rudder </p></td><td valign="top" width="84"><p>90 </p></td><td valign="top" width="347"><p>Apply forward pressure on one rudder pedal </p></td></tr><tr><td valign="top" width="136"><p>Airbrakes </p><p>Spoilers </p><p>Wing-flaps </p></td><td valign="top" width="84"><p>35 </p></td><td valign="top" width="347"><p>Push and pull handgrip of control lever </p></td></tr><tr><td valign="top" width="136"><p>Towing cable release </p></td><td valign="top" width="84"><p>35 </p></td><td valign="top" width="347"><p>Pull control handle </p></td></tr></table> (b) The rudder control system must be designed to a load of 100 daN per pedal acting simultaneously on both pedals in forward direction.