This article describes air data malfunctions that are less known than the basic "pitot blockage".

This article covers the typical TAWS architectures on transport aircraft, and demonstrates, why knowledge is key.

This article aims to make the content of PANS-OPS and ICAO PBN manual more accessible, covering error budgets and obstacle clearance of PBN.

This article covers the obstacle assessment of PAPI installations and provides information about the relevant regulatory guidance.

The ever-increasing impact of GNSS interference on aviation needs to be addressed also from a technical perspective. This is today's topic.

As we are in the midst of winter, many places have seen a decent amount of snow fall. In this article we look at how the trustworthy ILS...

A description of different methods to make flight control computers more resilient against misleading sensor data.

A radically different method to optain air data, based on optical measurements.

A discussion about GLS and its associated challenges.

Radar altimeters are used on aircraft to measure the height above the surface. They have been in use for decades onboard large airliners...

A short article merging airworthiness requirements with operational procedures to enable flight crews to cope with RF legs.

This post is all about getting navigation data from the "books" to the aircraft in order to successfully navigate the globe...

The recent outage of GALILEO has clearly demonstrated that any Global Navigation Satellite System (GNSS) can - from one second to the...

Long gone are the days, where a navigator was tasked to determine the aircraft position using multiple sources and then bring the...

When a 200-million-dollar passenger jet approaches a major airport somewhere on this planet and receives some directions from air traffic...

It used to be simple: There were „non-precision“ and „precision“ approaches. But things have changed quite a bit. The advent of...