CS-VLA 373 Speed control devices
ED Decision 2003/18/RM
If speed control devices (such as spoilers and drag flaps) are incorporated for use in en-route conditions -
(a) The aeroplane must be designed for the symmetrical manoeuvres and gusts prescribed in CS-VLA 333, 337 and 341, and the yawing and manoeuvres and lateral gusts in CS-VLA 441 and 443, with the device extended speed up to the placard device extended speed; and
(b) If the device has automatic operating or load limiting features, the aeroplane must be designed for the manoeuvre and gust conditions prescribed in sub-paragraph (a) of this paragraph at the speeds and corresponding device positions that the mechanism allows.
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