dresoccer4 20 Posted September 11, 2021 Share Posted September 11, 2021 hey guys, I thought I followed a tutorial well but apparently missed something as the flight plan speeds as well as descending altitudes on a 3 degree glideslope are missing. Speeds: Please login to display this image. Incorrect descending altitudes: Please login to display this image. I have the PERF and VNAV pages filled out. What else do you need to get speeds and descending waypoint altitudes on the correct glideslope? Link to comment Share on other sites More sharing options...
LesOReilly 314 Posted September 11, 2021 Share Posted September 11, 2021 14 hours ago, dresoccer4 said: hey guys, I thought I followed a tutorial well but apparently missed something as the flight plan speeds as well as descending altitudes on a 3 degree glideslope are missing. Speeds: Please login to display this image. Incorrect descending altitudes: Please login to display this image. I have the PERF and VNAV pages filled out. What else do you need to get speeds and descending waypoint altitudes on the correct glideslope? You manually enter those ... again they are advisory only since you have no Auto Throttle... Link to comment Share on other sites More sharing options...
Aplato 133 Posted September 11, 2021 Share Posted September 11, 2021 Mildly related, is there a way to clear a speed/altitude restriction after it's been entered? Link to comment Share on other sites More sharing options...
dresoccer4 20 Posted September 11, 2021 Author Share Posted September 11, 2021 I figured out the automatic stepped descent altitude. it seems you need an approach entered. even if you set the waypoints yourself it won't work. if you enter an approach then the altitudes will automatically step down on a 3 degree glideslope Link to comment Share on other sites More sharing options...
Deputy Sheriffs Herman 1591 Posted September 11, 2021 Deputy Sheriffs Share Posted September 11, 2021 As a standard piloting rule, the required rate of descent for a 3 degree glideslope is 1/2 the speed in knots, then times 10. So, at 100 knots, the rate of descent is 500 fpm. It's actually 512 fpm, but you can't really see, let alone fly that small difference. At 134 KIAS, a common Vref for the CRJ, you get 670 fpm. At 290 KIAS, the scheduled descent speed above 10,000 MSL, it's 1,450 fpm, and so forth. Link to comment Share on other sites More sharing options...
Acegard 2 Posted September 13, 2021 Share Posted September 13, 2021 Forgive me as I'm kinda new to simming, don't you use the ground speed when calculating the 3 degree descent rate, instead of the IAS? Link to comment Share on other sites More sharing options...
amahran 595 Posted September 13, 2021 Share Posted September 13, 2021 5 minutes ago, Acegard said: Forgive me as I'm kinda new to simming, don't you use the ground speed when calculating the 3 degree descent rate, instead of the IAS? Correct. Link to comment Share on other sites More sharing options...
Deputy Sheriffs Herman 1591 Posted September 13, 2021 Deputy Sheriffs Share Posted September 13, 2021 11 hours ago, Acegard said: Forgive me as I'm kinda new to simming, don't you use the ground speed when calculating the 3 degree descent rate, instead of the IAS? Yes, and if it's easily available, as in the CRJ, that's what you'd use. In most aircraft, especially one without GPS, it's just easier to just go with IAS or better TAS (if you don't have to pull out a calculator and the airspeed indicator has a way to adjust for altitude and temp, which is common these days). Link to comment Share on other sites More sharing options...
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