- Save an aircraft by tail number with its cruise altitude and true airspeed; the app watches your saved tail numbers, preloads your filed IFR plans, and notifies you when one is filed or amended. - Drag your cruise altitude on the profile or Skew-T to compare winds, trip time, and icing before choosing a level. - The route profile follows your flight by ETA over real terrain, with MEA and Center MIA lines showing the minimum IFR altitude along the route. - The map adds IFR Low and High enroute charts, plus a minimum IFR altitude layer showing the floors ATC can assign. - METARs and TAFs for every field that reports them, on the map, the stations board and each airport's card, and they stay on the phone when you have no signal. - Airport cards show runways and approaches, the forecast flight category at your ETA, and hourly conditions through the next three days. - Favorites and Recent keep saved routes organized and remember the aircraft, cruise altitude, and airspeed used for each flight.