Page 16 - Volume 10 Number 8

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Complete GPS failures are rare, to be sure, but no electronics are failure proof. Individual GPS units can lose power, become overheated, or simply stop functioning. Often, modern GPS units are components of an integrated avionics unit. Thus, the failure of such an integrated unit induces the failure of the GPS it contains. GPS receivers that are not experiencing power or heat problems, can still be rendered inoperative by losing communications with their antenna via loose or broken connections or through software glitches. Obviously, any such failures would require the pilot to consult backup navaids. While such backups often include secondary GPS units, that would not help in situations of shared antennas, identical software bugs, satellite outages, external avionics cooling fan failures, GPS interference or testing, or the loss of shared power sources. Thus, reverting to “old school” forms of navigation will sometimes be the only options left.
In Part Two, we will discuss several forms of non-GPS backup navigation and how to incorporate them into your typical missions in order to maintain proficiency in their use. KA
Copyright 2016, Matthew McDaniel
First publication rights granted to King Air magazine via The Village Press. All other rights reserved by copyright holder.
Matthew McDaniel is a Master & Gold Seal CFII, ATP, MEI, AGI & IGI. In 25- plus years of flying, he has logged over 16,000 hours total, over 5,500 hours of instruction-given, and over 2,500 hours in the King Air and BE-1900.
His company, Progressive Aviation Services, LLC, (www.progaviation. com), has specialized in Technically Advanced Aircraft and Glass Cockpit instruction since 2001. Currently, he also flies the Airbus A-320 series for
an international airline and holds eight turbine aircraft type-ratings. Matt is one of less than 25 instructors in the world to have earned the “Master Certified Flight Instructor” designation for seven consecutive two-year terms. He can be contacted at (414) 339-4990 or matt@ progaviation.com.
14 • KING AIR MAGAZINE
AUGUST 2016