The Garmin D2 Mach 1 is/has become/was a hot commodity in the aviation world, promising pilots a wealth of features and functionalities. But does/will/did this watch truly live up to the hype/excitement/buzz? This https://thefairlist.com/story10558913/is-the-garmin-d2-mach-1-all-it-s-cracked-up-to-be