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john smith wrote in
: Google "FAA, sole source navigation, GPS" There are many articles out there. From what I skimmed, we are still in transition to becoming sole source. Sole source is dependent upon other parts such as WAAS and LAAS becoming accepted as operational. But in this case, GPS is not being used as a sole source of navigation, just for one part of one approach. Using the sole source logic, no GPS approach would be legal. -- Regards, Stan |
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