Different MSA on reverse legs

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Different MSA on reverse legs

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JanR	JanR posted 6/27/2016 10:53:57 AM HOT Topic Details Share Topic
Group: Forum Members Posts: 40, Visits: 2.3K	Hi, during planning I noticed, that the MSA ist different for identical but reversed legs. e.g. BOT NDB to DOMEG shows only MSA 2.200, on the reversed leg (DOMEG => BOT) it is 2.300. For the leg Essen to BOT (2.300) it is even 300 ft less on the reverse leg. Why? (PC Version 3.6.0.0 & latest Android Version) Thanks & Regards Jan
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JanR	JanR posted 6/27/2016 4:45:03 PM Post Details Share Post
Group: Forum Members Posts: 40, Visits: 2.3K	Pardon, but I still don't get it.. EDLE -> BOT : MSA 2300 BOT -> EDLE: MSA 2000 There is an obstacle (1218 ft) 1,4 NM northwest of BOT. Please correct me, but with the margin set to 5 NM /1.000, the MSA should read 2300 in all cases, whatever the turn radius.. Edited 6/27/2016 5:10:13 PM by JanR
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Different MSA on reverse legs

JanR - 6/27/2016 10:53:57 AM

I just tried reproducing this here and I was unable to. Would you mind...

Tim Dawson - 6/27/2016 11:27:20 AM

Hi Tim, I attached the file (pls remove .txt extension). "Safety...

JanR - 6/27/2016 11:32:23 AM

Thanks, got it, and I can now see the same thing. I needed to expand...

Tim Dawson - 6/27/2016 11:36:20 AM

Thanks. I understand the MSA depends on the turning circle at...

JanR - 6/27/2016 11:59:15 AM

We already have the thickness of the route for obstacle avoidance...

Tim Dawson - 6/27/2016 12:08:33 PM

Generally, are the waypoints handled as fly-by (cut the corner) or...

JanR - 6/27/2016 12:54:20 PM

You do. It's just that the direction does affect whether the obstacles...

Tim Dawson - 6/27/2016 3:45:40 PM

Pardon, but I still don't get it.. EDLE -> BOT : MSA 2300 BOT...

JanR - 6/27/2016 4:45:03 PM

That isn't always a great solution. For example on a long leg, it...

Tim Dawson - 6/28/2016 4:18:35 PM

+ x [quote] [b] Tim Dawson - 6/28/2016 4:18:35 PM [/b]...

lhe - 8/14/2016 4:28:10 PM

Tim, I would like to discuss again the calculation of the MSA. Please...

JanR - 7/4/2017 1:48:46 PM

You are welcome to post a thread regarding this change in our...

Tim Dawson - 7/4/2017 2:58:57 PM

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