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No class E airspace

Printed From: Avidyne
Category: Avidyne General
Forum Name: IFD 5 Series & IFD 4 Series Touch Screen GPS/NAV/COM
Forum Description: Topics on Avidyne's IFD 5 Series and IFD 4 Series Touch Screen GPS/NAV/COM
URL: http://forums.avidyne.com/forum_posts.asp?TID=934
Printed Date: 18 May 2024 at 4:40am
Software Version: Web Wiz Forums 12.01 - http://www.webwizforums.com


Topic: No class E airspace
Posted By: clydeps
Subject: No class E airspace
Date Posted: 15 Jan 2016 at 6:44am
Tapping the screen and getting the controlled airspace descriptions up is nice (sometimes have to pan up to see the entire box) but I notice that class E airspace is not included. Nor is it one of the options in the map setup for airspace display, and the boundaries are not shown on the map.

Not a big deal when VFR since I don't need a clearance, but when IFR it's helpful because it's not unusual for controllers to forget to tell me when I leave controlled airspace, or need a reminder to give me a clearance to enter it.



Replies:
Posted By: FlyingCOham
Date Posted: 16 Jan 2016 at 6:04pm
It's been DECADES since I've done it but back then I would often file across Class G to a destination on the other side.  The clearance was clear: up to the edge of the Class G and after re-entering controlled airspace.  In the G there was no "clearance".   But there was never a requirement to got a clearance to re-enter controlled airspace.. Have the procedures changed?


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Jim Patton


Posted By: clydeps
Date Posted: 17 Jan 2016 at 1:32am
Originally posted by FlyingCOham FlyingCOham wrote:

  But there was never a requirement to got a clearance to re-enter controlled airspace.. Have the procedures changed?
Where were you flying? In Australia there is lots of class G airspace, class E generally starts at 8500' or FL125 - in more remote areas the lowest controlled airspace may be class A at FL180. In the US I think you have to be in Alaska to encounter that.

When transiting through class G between controlled airspace sometimes I will get a "leave and re-enter" clearance, other times I'll just be told "control services terminated" - this I think is particularly the case where the next controlled airspace is in a different sector. Usually the next controller will give me the onwards clearance without being asked, but sometimes they forget.

I have the airspace on a tablet app, but it would be nice to have it on the IFDs too. It's not obvious to me why class E should be a special case - all the other controlled airspace is shown, as are restricted areas and even danger areas.


Posted By: PA20Pacer
Date Posted: 17 Jan 2016 at 9:10am
Hi Clydeps-

From your description, I can certainly see why it would be useful to have the Australian Class E airspace boundaries depicted. In the continental US, most airspace above either 700 or 1200 AGL is Class E. Depicting the boundaries between the 700 and 1200 AGL Class E airspace would add a lot of clutter to the display for information that has limited significance to a pilot in the US. It seems that an ideal solution would be to have an option to turn the depiction of the Class E airspace boundaries on or off. I wonder whether they are included in the Jeppesen Navdata database?

Regards,

Bob


-------------
Bob Siegfried, II
Brookeridge Airpark (LL22)
Downers Grove, IL



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