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ATR Wingtip Vortex Phenomenon
Topic Started: Feb 15 2018, 05:47 AM (7 Views)
MichaelMorin

Hi,

Last week, on the way across the LTMA a Blue Islands ATR42 passed overhead at FL170. We were in a thin layer a few thousand feet below, ISA+7.

It was interesting to see a thin but clear wintip vortex extending aft from each wingtip for about three wingspan lengths. The AC was straight and level. Is this a usual phenomenon on ATRs?

I've only noticed it before on aircraft manoeuvering agressively (high AoA) and flaps/wingtips of aircraft on approach (high AoA) in humid conditions, never at cruising speeds.

Please help.

Thanks!

I didn't find the right solution from the Internet.

References:
https://www.pprune.org/questions/493341-atr-wingtip-vortex-phenomenon.html
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Edited by MichaelMorin, Feb 15 2018, 08:15 AM.
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