Pilots looking for the hardest-core portable nav unit available tend to flock to Garmin's GPSMAP 696 these days, but there's a problem: the big, bulky tablet doesn't do much good once you're wheels-down and you've got to find your way to the hotel. Enter the new aera series, which you can sorta think of as "nuvi for pilots" with 4.3-inch touchscreens, user-friendly prompts, and dedicated car modes across the board that'll keep casual observers from realizing that your little buddy doubles as a $2,000 beast capable of safely guiding you cross-country at flight level 250. The 696 is still being regarded as Garmin's premier aviation portable, while the four aera models -- the 500, 510