umut1 10 Posted October 22, 2017 Share Posted October 22, 2017 I use aerosoft A321 . You all know there is restriction of speed below 10000 feet as 250 knots. But my aircraft can't follow restiction due to high rate of descent. To make it more controlable i want to change this restriction to 240 or 230. How can i set this to mcdu ? Link to comment Share on other sites More sharing options...
Deputy Sheriffs The Dude 6537 Posted October 22, 2017 Deputy Sheriffs Share Posted October 22, 2017 You can‘t. Link to comment Share on other sites More sharing options...
umut1 10 Posted October 22, 2017 Author Share Posted October 22, 2017 Thanks Link to comment Share on other sites More sharing options...
PatrickZ 300 Posted October 23, 2017 Share Posted October 23, 2017 Only solution to this is to descend less steep, which is what pilots do in the real world. If you descend less steep it's easier to control your speed. Link to comment Share on other sites More sharing options...
DaveCT2003 2553 Posted October 23, 2017 Share Posted October 23, 2017 There is a lot that I (and I'm sure Frank, or any other pilot) can say regarding the OPs question. Ruling out some particular approaches (not typically flown by commercial airliners), this is caused by not planning the descent. However should you find yourself in such a situation, one of the best courses of action would be to level out, reduce speed, and perform one or more 360 degree turns while descending at a rate that won't increase your speed or will allow you to continue to slow, until you've reached a speed/altitude profile that fits with your approach. Remember that turning the aircraft will also help you to slow. Another way is to perform wide S-turns turning your descent, though this will not be as effective as what I mentioned above. You could also use cross-controls, but depending on your speed this could cause damage to the airframe and control surfaces. The best option is to plan your descent so that you don't have to do the above. Best wishes. Link to comment Share on other sites More sharing options...
Cheyenne Chief Pilot 829 Posted October 23, 2017 Share Posted October 23, 2017 A320: Full speedbrakes with autopilot on (less effective; system logic prevents them from deploying fully with the A/P engaged). Full speedbrakes with autopilot off (more effective, as now system logic allows them to deploy fully). A321: Not really a difference between A/P on and A/P off as far as speedbrake efficiency is concerned. Link to comment Share on other sites More sharing options...
Aerosoft Aerosoft Team [Inactive Account] 51558 Posted October 23, 2017 Aerosoft Share Posted October 23, 2017 1 hour ago, Captain Snowflake said: A320: Full speedbrakes with autopilot on (less effective; system logic prevents them from deploying fully with the A/P engaged). Not many people know that.... But there is one more condition.... Link to comment Share on other sites More sharing options...
DaveCT2003 2553 Posted October 23, 2017 Share Posted October 23, 2017 I'd have to look it up, but I believe there is something different about the A319 as well. Link to comment Share on other sites More sharing options...
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