A GPS approach (RNAV Rwy 33 Easton, MD) unexpectedly requires "RADAR REQUIRED" because it lacks an Initial Approach Fix (IAF). Without an IAF or a published entry route, pilots must be vectored by ATC ...

An IFR training scenario highlighted how strictly following published procedures without ATC vectors can lead to impasses, contrasting with real-world IFR flying where ATC provides necessary guidance.

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 ...