X-Planner

As a 200 hr /year, single engine, IFR pilot I find this one of the most useful aviation apps for the iPhone. Kudos to the developer for a job well done. I agree with some of the recommendations from the other reviewers (interface with online winds aloft, multiple aircraft, easi

Good app, simple, works. My suggestion would be to add the ability to store multiple aircraft. Inputing the data is very time consuming. Fine if you only fly one airplane, but big negative if you fly multiple airplanes.