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Old 16th July 2003, 09:57 AM   #2 (permalink)
Mike Rapoport
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Default Garmin Behind the Curve on WAAS GPS VNAV Approaches

So does the CNX-80 meet the requirement today? Is it "WAAS equipment
approved for precision approach"?

Mike
MU-2

"Lockheed employee" <Mississippi@ home.com> wrote in message
news:dsjahvoedrodik7bb5sp046krpa3ivf7m2@...
> I have a Jeppesen briefing bulletin (DEN 00-A) that states:
>
> LNAV/VNAV must have WAAS equipment approved for precision approach, or
> RNP-0.3 system based on GPS or DME/DME, with an IFR approach approved
> Baro-VNAV system. It appears that either is suitable for going to
> VNAV minimums
>
>
> On Wed, 16 Jul 2003 05:47:50 -0700, joe@obilivan.net wrote:
>
> >
> >
> >Richard Kaplan wrote:
> >
> >> "Scott Moore" <samiam@moorecad.com> wrote in message
> >> news:3F150F17.3BF25625@moorecad.com...
> >> > Speaking only for myself, its pretty damm confusing exactly what

would be
> >> > done with WAAS even if implemented. Garmins' other units that accept
> >>
> >> WAAS is now implemented and IFR approved as of the past week.
> >>
> >> If a receiver were approved for WAAS approaches, then TODAY you could

use
> >> VNAV/LNAV miniums on GPS RNAV approaches instead of LNAV minimums.
> >> Presumably (though I am not certain) a VNAV/LNAV GPS RNAV approach

would be
> >> considered a precision approach. UPSAT's CNX80 web page touts the

airports
> >> you have access to today with WAAS; yet the version of the POH

supplement
> >> posted on their site says in the legal fineprint that precision

approaches
> >> are NOT permitted. So I am not certain if you can or cannot fly

VNAV/LNAV
> >> GPS approach mininums TODAY on a CNX-80.

> >
> >I wouldn't be so certain of that. Today's VNAV minimums are predicated

on
> >IFR-certified Baro VNAV equipment, not WAAS. WAAS approaches have yet to

appear
> >from the FAA>

>
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