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Subject:Re: learning GPS approaches ... Ouch
From:Andrew Gideon
Date:Thu Oct 10 12:07:55 2002


> Put useful info in the 4 corners of the display. I found over time that I
> ended up with GS, TRK, DTRK and Distance to next waypoint. This is in my
> cherokee. If I had a faster plane, Id probably opt for TIME to waypoint on
> there. I divide by 2 real fast, but not by other numbers :-) BRG Ive been
> experimenting with a bit. Having radial and distance to the actively
> selected VOR is also useful as a backup to my KNS80 DME.

When Im flying the GPS, I do much as you said. The CDI#1 is on the GPS.
I also display TRK and DTRK. These together combine to give me a very
precise view of where I am and what I need to do to either stay there
or get where I should be (relative to my desired path).

Watching TRK and DTRK, I can spot a deviation much more quickly than
I can by waiting for the CDI to move.

> Its real easy to fixate on that box.

Its not that hard to learn to not once you decide to not. As long as you
really trust the other instruments and your use of them, the map becomes
relatively unimportant and pretty easy to ignore. At least, thats my
experience.

I recently tried flying a brand new 172-SP with that huge MFD thats
really nothing more than a moving map. Aside from playing with it
while waiting for the release, it didnt really exist for me (except
that it pushed com#2 further to the right which is, I think, a poor
choice).

It did give my now-ex-CFII something to do, though, which is a kindness.

The one exception I can think of - where I really use a moving map -
is on the outbound leg of a hold.

- Andrew


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