Readback: March 2010

I have a question that people have been asking me and I dont know the answer.The G1000 has two GPS receivers: GPS 1 is the default choice and automatically switches to GPS 2 if there is a problem. Or you can manually select GPS 2.My question is: Why can only one be used at a time? For example, one GPS could be the primary navigator with the flight plan and the other could indicate final destination or a waypoint on the side of the track or even an alternate.

Key Takeaways:

• Pilots question why advanced avionics like the G1000's dual GPS cannot display separate navigation data simultaneously and why VOR frequencies are often omitted from GPS approach plates, indicating potential areas for improved situational awareness.
• The article clarifies specific IFR regulations, detailing the combined aircraft and ATD time requirements for currency (1 hour aircraft, 3 hours ATD) and explaining that unmonitored approaches cannot be *filed* as alternates due to TERPS requirements.
• It highlights critical pilot misunderstandings concerning flight procedures, such as improper reliance on electronic maps for terrain avoidance and misinterpreting "radar contact" as an assurance of terrain clearance.

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