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IFR with a VFR GPS



 
 
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  #11  
Old November 9th 05, 07:03 PM
Frank Ch. Eigler
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Default IFR with a VFR GPS


"Bob Gardner" writes:

Tell them. Just as is the case with icing certification, the
controllers are not into law enforcement. Tell them you have a GPS
and you will get all of the benefits.


.... and as with flying in icing with substandard equipment, you will
face all the risks in case something goes wrong.

- FChE
  #12  
Old November 9th 05, 08:59 PM
Steven P. McNicoll
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Default IFR with a VFR GPS


"Frank Ch. Eigler" wrote in message
...

... and as with flying in icing with substandard equipment, you will
face all the risks in case something goes wrong.


What are the risks of flying IFR with a VFR GPS?


  #13  
Old November 9th 05, 09:11 PM
Peter R.
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Default IFR with a VFR GPS

"Steven P. McNicoll" wrote:

"Frank Ch. Eigler" wrote in message
...

... and as with flying in icing with substandard equipment, you will
face all the risks in case something goes wrong.


What are the risks of flying IFR with a VFR GPS?


What happens when these VFR GPS's drop reception of all but one or two
satellites? Do they instantly provide a RAIM message?

--
Peter
























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  #14  
Old November 9th 05, 09:22 PM
Steven P. McNicoll
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Default IFR with a VFR GPS


"Peter R." wrote in message
...

What happens when these VFR GPS's drop reception of all but one or two
satellites? Do they instantly provide a RAIM message?


I don't know? Is it a problem if they don't?


  #15  
Old November 9th 05, 09:44 PM
Peter R.
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Default IFR with a VFR GPS

"Steven P. McNicoll" wrote:

"Peter R." wrote in message
...

What happens when these VFR GPS's drop reception of all but one or two
satellites? Do they instantly provide a RAIM message?


I don't know? Is it a problem if they don't?


If the pilot were using the unit for primary navigation in IMC and the unit
did not warn the pilot of too few satellites to be able to calculate
position, would that be a problem?

--
Peter
























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  #16  
Old November 9th 05, 09:47 PM
Steven P. McNicoll
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Default IFR with a VFR GPS


"Peter R." wrote in message
...

If the pilot were using the unit for primary navigation in IMC and the
unit
did not warn the pilot of too few satellites to be able to calculate
position, would that be a problem?


No.


  #17  
Old November 9th 05, 09:50 PM
Peter R.
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Default IFR with a VFR GPS

"Steven P. McNicoll" wrote:

"Peter R." wrote in message
...

If the pilot were using the unit for primary navigation in IMC and the
unit
did not warn the pilot of too few satellites to be able to calculate
position, would that be a problem?


No.


Why?

--
Peter
























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  #18  
Old November 9th 05, 09:52 PM
Steven P. McNicoll
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Default IFR with a VFR GPS


"Peter R." wrote in message
...

Why?


Because the properties of a "problem" are not present. Do you disagree? If
so, why?


  #19  
Old November 9th 05, 10:00 PM
Peter R.
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Default IFR with a VFR GPS

"Steven P. McNicoll" wrote:

"Peter R." wrote in message
...

Why?


Because the properties of a "problem" are not present.

snip

Primary navigation (the VFR GPS) is no longer reliable, the aircraft is
IMC, and the pilot is unaware that the unit is no longer reliable. Those
are not properties of a problem?




--
Peter
























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  #20  
Old November 9th 05, 10:18 PM
Steven P. McNicoll
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Default IFR with a VFR GPS


"Peter R." wrote in message
...

Primary navigation (the VFR GPS) is no longer reliable, the aircraft is
IMC, and the pilot is unaware that the unit is no longer reliable. Those
are not properties of a problem?


I don't think so. If the aircraft drifts off course the controller will
nudge it back and the pilot will then be aware that the unit is no longer
reliable. No problem.


 




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