"Gerry Caron" wrote in message
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"Matt Barrow" wrote in message
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"karl gruber" wrote in message
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The Collins Pro Line FMS is WAY more sophisticated than a
G1000............no comparison.


When WAAS becomes predominant over the next few years, a full blown FMS
like the Collins, Honeywell, or Univesal instruments will be fairly
obsolete. Other than as a reference for backup systems, their accuracy
will be pretty poor compared to what WAAS will offer especially given
such things as curved flight paths, descending turns, etc.


When WAAS becomes predominant, the full blown FMSes will be using a WAAS
sensor so they will hardly be obsolete.

Yeah...they'll still need those DME's and VOR trangulators.

Even today, most FMS units are operating with the GPS data 90% of the
time. Those redundant modes aren't very important until you need them.
It's still possible to get an integrity alert even with WAAS.

What you get with a real FMS is a whole host of functions that the G1000
can't even contemplate -- sophisticated vertical nav options, take-off and
landing performance calculations, etc. Those features won't be obsoleted
by a new nav sensor.

Just that so much of the FMS's complexity will be overkill...

I suspect the new generation of FMSs will look more like the G100 than
what's out there now.

http://gps.faa.gov/library/Data/waas/40423_Register.doc