Deems Davis
Joined: 09 Jan 2006
Posts: 925
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 Posted: Sat Jun 10, 2006 10:23 pm Post subject: Experimental IFR w/o a certified GPS or looking for a copy |
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I recently read an article posted on Direct2. website
http://www.direct2avionics.com/pdfs/Using_GPS_for_IFR_flight.pd by a
Phd CFII that concludes that for EXPERIMENTAL aircraft, it was not
necessary for the aircraft to be equipped with a CERTIFIED GPS receiver
to legally file and fly IFR, PROVIDED that you, the pilot/mfg can
evaluate the GPS functionality, and find it provides all of the
necessary pilot input (as defined in the TSO) for IFR flight.
This sounded like it was worth looking into. I verified this opinion
with a competitor of Direct2. So off I go to study TSO-C146 the Standard
document for WAAS GPS, unfortunately there is nothing in the document
regarding functional requirements other than a reference to:
RTCA/DO-229B (which I learned has since been superceeded w/
RTCA/DO-229C). Another Google search reveals that this document is
available but with a cost which ranged from $108-370 per copy.
Does anyone know of a 'library' where this document could be 'rented' or
checked-out. a couple hundred bucks is a steep price for someone just
investigating an idea/thought.
Deems Davis # 406
Fuse
http://deemsrv10.com/
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