REFLECTOR: ADS-B Questions

[Ruben Creus]

John

 

I cannot tell you specifically about the ADS-B, but I can tell you about
TIS. All that you describe sounds exactly the same. I live in the Washington
DC area, and I do the NYC trip quite often. You can imagine how busy the air
space is here. My TIS screen goes crazy very often showing traffic all over.


 

In my experience when I flew with no TIS, I only saw maybe 1 airplane once
in a while. Since flying with TIS I see around a dozen or more airplanes in
the screen, but still with my eyes I can only pick 2 or 3. Definitely, there
is a lot of traffic out there that you would not see unless you are
equipped. On the other note, it is true that seeing a plane in the screen
increases your level of stress, as you want to be sure it will not be a
factor. In the last few years, I can only recall one time that TIS really
showed me ahead of time of a truly potentially dangerous situation, and just
for that one time makes all worth it. 

 

So, the good news is that you are aware of traffic, the bad news if that you
level of stress increases when you see something popping on the screen even
is not a factor. But remember, space is big and 3 dimensional, so the true
chance of a collision is slim, but possible. Over time, you will learn to
identify what situations are informative vs dangerous. And the day you get
our of one of the dangerous ones all becomes worth it. 

 

I agree that to know something increases a bit the level of stress, vs. the
fact that ignorance is bliss... but this one of those that knowing is better
as it can safe your life.

 

P.D.: Sorry I could not give you more information about the ADS-B, but I
thought sharing my traffic information experience might help.

 

Ruben G. Creus

* +1.571.215.0025

*  <mailto:ruben at vainneg.com> ruben at vainneg.com

 

 

-----Original Message-----
From: John Dibble [mailto:aminetech at bluefrog.com] 
Sent: Monday, February 17, 2014 9:58 AM
To: Velocity Aircraft Owners and Builders list
Subject: REFLECTOR: ADS-B Questions

 

The ADS-B traffic info has shattered my illusion that I'm the only one 

flying out there.  It can get a bit distracting when I see a plane that 

appears to be on an intersecting path and I keep looking for it and 

don't see it because it's too far away.  Gotta get used to that.  There 

are several numbers displayed with each plane icon. Does anyone know 

exactly what all the numbers are?  Altitude - actual, msl, or relative 

to me?  Also what are the vertical and horizontal range limits for 

reported traffic?  I assume that I will not see a jet at FL 400.  A 

small percentage of the time I see the ADS-B icon for my plane which is 

a bit ahead of my moving map icon. The moving map icon is behind my 

actual position according to ground references.  Should I be getting the 

ADS-B icon for my plane, or should it not be there to avoid confusion 

with the moving map icon?

 

Thanks,

 

John

 

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