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May 8, 2019, 7:18:40 CDT

Danger zones

Cut them out

Joerg Ewald|record|Steve Kroop

Flytec 6030|Joerg Ewald|record|Steve Kroop

It turns out this didn't work: http://ozreport.com/23.78#1.

I still got the warning for danger zones even after I made the change to not get that warning on the Flytec 6030. That's because the danger zones in Flytec Airspace formatted file for Florida don't have a designation after AT.

See here:

AC Q
AT
AD
AN DZ PFL017 DAILY
AL 0
AH 4571
AR1
WD 121
CO
V D=+
V X=28:48.833 N 082:02.033 W
DB 28:51.831 N 082:02.033 W , 28:51.831 N 082:02.033 W

Danger zone warning appears on Flytec 6030 when crossing through this area despite D on the airspace menu on the 6030 marked as “No.”

AC Q
AT
AD
AN PALATKA 1 INT 08
AL 914
AH 5486
AR1
WD 121
CO

AC Q
AT
AD
AN PALATKA 2 INT 08
AL 914
AH 5486
AR1
WD 121
CO

AC Q
AT
AD
AN LAKE PLACID NORT
AL 2133
AH 5486
AR1
WD 121
CO

Steve Kroop has removed all the danger zones from the Florida airspace file. You can download it here. He writes:

Once the danger Zones are eliminated there are 97 remaining airspaces:

14 class B, 16 class C, 35 class D, 32 restricted

Joerg Ewald «joerg.ewald» writes:

I was not involved in the FAF integration in the 6030. From what I gather from the code, and from some documentation I found on our servers, one big difference between OpenAir and FAF is the use of the "AT" records.

In OpenAir, "AT" is optional and defines where on a map labels are printed. I don't think this is used much.

In FAF, "AT" defines the airspace "type" (AWY, CTR, etc.). No idea why they used something that is in use by OpenAir.

At any rate, in the 6030, when interpreting an FAF file read from the SD card, the vario's behavior is controlled by the AT record. The possible values can be seen in the 6030's airspace settings page (D, AWY, FIZ etc.).

As far as I can see, the files used by Davis did not have any values assigned to the AT records. My guess would be that if you change the line that says "AT" to "AT D", the alarm would be suppressed if you set the CTR Alarm for "D" to "No".

Discuss "Danger zones" at the Oz Report forum   link»


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