The FAA has rapidly introduced WAAS-based GPS instrument approaches (e.g., LPV, LNAV/VNAV) that provide ILS-like vertical guidance and a constant-angle descent, aiming to replace traditional "dive-and ...

There are five main types of GPS approaches: LNAV, LNAV+V, LP (non-precision), and LNAV/VNAV, LPV (precision), each with distinct capabilities and requirements. Precision approaches (LNAV/VNAV, LPV) ...

Controlled flight into terrain (CFIT) is a continuing problem area for aviation safety. Many CFIT accidents occur in the approach-and-landing phase - and non-precision approaches, those without ...