precision approach

aviation technology avionics DA vs MDA decision altitude false glideslope glideslope intercept GPS augmentation GPS instrument flying GPS navigation IFR IFR flying IFR training ILS approach instrument approach instrument flying LPV approach minimum descent altitude non-precision approach WAAS

Cleared Direct Oct 23, 2026

The Wide Area Augmentation System, the LPV Approach, and How a Thirty-Eight-Station Ground Network Brought Precision Guidance to Five Thousand Airports That Never Had an ILS

WAAS delivers Category I precision approach guidance to over 5,000 procedures at 4,000 airports using 38 ground stations and no runway-side hardware.

Vector

Cleared Direct Oct 2, 2026

WAAS, the Wide Area Augmentation System, and the Four Thousand LPV Approaches That Gave Precision Capability to Airports That Never Had an ILS

WAAS delivers precision approach capability to over 4,000 U.S. airports through satellite-based corrections and integrity monitoring, without any ground equipment at the airport.

Vector

ATIS Aug 17, 2026

The False Glideslope, Why It Lives Above the Real One, and How to Keep From Chasing It Into the Ground

The false glideslope sits above the real ILS path at steeper angles - here's why it exists and how to avoid capturing it.

Tower

ATIS Aug 16, 2026

Decision Altitude Versus Minimum Descent Altitude, the One Word That Changes How You Fly the Bottom of an Approach

DA vs MDA explained: one lets you descend through it to decide, the other is a hard floor you never bust.

Tower

Cleared Direct Aug 11, 2026

WAAS, the LPV Approach, and How a Handful of Ground Stations Taught a Constellation of Satellites to Fly You Down to Two Hundred Feet

How WAAS augments GPS to enable LPV precision approaches down to 200 feet at airports that could never afford an ILS.

Vector