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 ...

ILS and LPV approaches often provide comparable precision and identical minimums, but LPV is increasingly common due to its reliance on distributed WAAS/GPS infrastructure, which avoids the high cost ...