EAA493 Mailing List: ads-b

[Don Smucker (dws_jmc]

Here is a discussion from another forum.  The guy answering (Kurt) is an FAA controller.

Don S.

Kurt,

Does ADSB traffic on my ipad give me all the traffic I would get from the controllers on an IFR flight plan?

John

On 8/17/2014 1:58 PM, Kurt F Winker (Nmflyer1 [at] aol.com) wrote:

Damn Beagle... Dat's funny. 

Words mean things in this business.. I just did not want someone to inadvertently believe they have an actual "flight plan", when they do not. That could lead to a false sense of security that I do not believe is fair to aviators. Better to know things are not as obvious as they should be.. and be prepared, than the alternative. 

Wink

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Subject: Flight following, position-only flights, and FlightAware

Posted by: Kurt Winker on 8/17/2014 at 3:20 PM

View/reply online     Reply via email to: forum [at] velocityowners.com

John,

 

It depends (don't you hate that?). I went to an Oshkosh forum that was fantastic. Taught me so much more than the FAA has bothered to share:

 

IF you have ADSB-out (which includes IN), and this unit is what is feeding your Ipad, Then you will get all the traffic that you are supposed to receive from controllers and more.

 

The airspace filters you set in your program will dictated how much traffic you get displayed. Such as a 15NM circle and 3000' above and below. It will also show you trend information of that traffic

 

Controllers are, workload permitting, supposed to issue traffic that is +/_1000'of you and appears to be a factor. Above and Below that is not a requirement. I have noticed a frightening trend lately, of the new controllers NOT issuing VFR traffic to people, or issuing it and clearing someone through that traffic even if they are not in sight.

So, If you have ADSB out/In, You would most likely get a better picture of traffic than most controllers will give you.

 

If you only have ADSB IN; You will get Some traffic.. Since the ADSB system doesn't know where/who you are,the only traffic you will get is actually designed for someone else. This traffic IS real, but it is designed for the other aircraft that does have ADSB-OUT.

 

So, Lets just say the aircraft that is causing traffic to be displayed to you is 13 NM behind you and going the other way.....

Traffic more than 2 NM in front of you will not be displayed (since it is not a factor for the actual aircraft that is causing you to receive traffic from ADSB.)

 

Misty and I bought one of those hockey pucks at Oshkosh for our flight home. We knew about the traffic issue, but bought it mainly for the weather.

We saw a huge amount of traffic out the windows (Misty is Really good at finding other airplanes!). We only saw 2 aircraft on the Ipad from OSH to Los Lunas NM. This hockey puck was ADSB-IN only. Of course the brochure says you will see traffic. I think it is quite misleading.

 

Hope that clears things up somewhat. If not... Ping me again and I'll try to clarify whatever I didn't explain well the first time :)

 

Kurt

 

-----Original Message-----
From: John Dibble (aminetech [at] bluefrog.com) <mailer [at] mail2.clubexpress.com>
To: Main Forum <forum [at] velocityowners.com>
Sent: Sun, Aug 17, 2014 1:54 pm
Subject: re: [VOBA Forum] Flight following, position-only flights, and FlightAware

Kurt,

Does ADSB traffic on my ipad give me all the traffic I would get from the controllers on an IFR flight plan?

John

On 8/17/2014 1:58 PM, Kurt F Winker (Nmflyer1 [at] aol.com) wrote:

Damn Beagle... Dat's funny. 

Words mean things in this business.. I just did not want someone to inadvertently believe they have an actual "flight plan", when they do not. That could lead to a false sense of security that I do not believe is fair to aviators. Better to know things are not as obvious as they should be.. and be prepared, than the alternative. 

Wink

---

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