Can anyone help me find a website that has information on the landing speeds for different Aircrafts (A318, B747, etc)? Im trying to figure out the Initial Vortex Circulation of an aircraft, and i need the approach speed to do that? Can anyone HELP?!?!
~Thanks in advance
5 Answers
Chief CaptainI have yet to find an accurate calculation for Vref 😕 I have looked around for one but have been unsuccessful. I know one exists and I know it is very complex, the problem being that it is not done by hand, rather the FMC does it for you so its rare to find it now 🙄
Sorry 😞
➡ http://www.b737.org.uk/vspeedcalc3.htm -- Thats the only relevant information I've found.
If you come across one, let us know 😉
I know what the formula is for finding the Initial Vortex Circulation. I have all the elements besides the Approach Speed. Which is a pain to find over the net.
Chief CaptainAnonymous wrote:
I know what the formula is for finding the Initial Vortex Circulation. I have all the elements besides the Approach Speed. Which is a pain to find over the net.
For some reason, the approach speed formula is hard to find 
😉
First OfficerHow longs a piece of string? You need to be more specific as landing speeds vary obviously with type but also with weight etc.
Example B752 Vref 30:
Weight 92k 134kts
weight 94k 136kts
weight 110k 149kts
Chief CaptainSee my previous post:
https://forum.flyawaysimulation.com/forum/topic/11058/idle-landing-speed/#66881
🙂
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