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In a message dated 11/6/2002 7:40:40 AM Central Standard Time, TByrnes133@aol.com writes:
Regarding "Can you use both approach and Nav buttons at the same time?" I
have an article here from "The Stec Pilot" which is published by Stec. The
particular issue I have is September 1996. In this issue a Scott Howard
wrote an article that said with Systems 40s,50s and 55s you can use both
functions to give much better GPS tracking.
Tom,
Verrrry interrrrresting. I tried that when I was flying with a Garmin 250 and S-TEC 50 (circa 1997-1998) and still found the flight path wandering. Maybe he meant better than horrible.
Take note that newer GPS's and the fact that Selective Availability is turned off (not to mention the future of WAAS differential signals) means that the GPS signals are purer and more accurate than those available in 1996. Thus, old S-TEC remedies may not be effective. Anybody care to comment on these procedures (also with the 60) or even testing them now?
If you have a GPS capable of producing the ARINC "turn" commands and an S-TEC A/P, your best bang for the buck is to add S-TEC's GPSS unit - the results are fabulous.
Scott Krueger
N92EX
PS: After you push the button, just remember to descend at your destination. Oh, and put the wheels down too.
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