An instrument landing system (ILS) uses two separate ground-based radio transmitters to provide both lateral and vertical guidance to pilots during an instrument approach procedure that normally ...

For IFR flight plans, it's recommended to assess weather and flow, then file directly to an Initial Approach Fix (IAF) for a specific approach, rather than just the airport. Filing to an IAF is ...

Does that APR, or approach mode key, on your autopilot somehow activate a GPS receiver so it can fly an approach? The answer is no, it doesn't. And if you're confused about that, you're not alone. And ...