Andreas
PBN errors and obstacle clearance
This article aims to make the content of PANS-OPS and ICAO PBN manual more accessible, covering error budgets and obstacle clearance of PBN.
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Navigation
Andreas
Feb 12
On the PAPI, but clear of obstacles?
This article covers the obstacle assessment of PAPI installations and provides information about the relevant regulatory guidance.
Andreas
May 2, 2023
Beyond airspace alerts and NOTAMs: Long-term GNSS interference mitigations
The ever-increasing impact of GNSS interference on aviation needs to be addressed also from a technical perspective. This is today's topic.
Andreas
Feb 14, 2023
Snow effects on ILS signal propagation
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...
Andreas
Nov 29, 2022
Flight data resilience
A description of different methods to make flight control computers more resilient against misleading sensor data.
Andreas
Sep 19, 2022
Challenging the Pitot tube: Optical air data
A radically different method to optain air data, based on optical measurements.
Andreas
Apr 11, 2022
GLS: A landing system struggling to take off
A discussion about GLS and its associated challenges.
Andreas
Jan 19, 2022
5G vs. Radar altimeter: a déjà vu
Radar altimeters are used on aircraft to measure the height above the surface. They have been in use for decades onboard large airliners...
Andreas
Mar 20, 2020
Successfully navigating RF legs
A short article merging airworthiness requirements with operational procedures to enable flight crews to cope with RF legs.
Andreas
Oct 8, 2019
Getting to the right place
This post is all about getting navigation data from the "books" to the aircraft in order to successfully navigate the globe...
Andreas
Aug 14, 2019
Lost in space - How does aviation cope with a GPS outage?
The recent outage of GALILEO has clearly demonstrated that any Global Navigation Satellite System (GNSS) can - from one second to the...
Andreas
Jan 9, 2019
The right mix
Long gone are the days, where a navigator was tasked to determine the aircraft position using multiple sources and then bring the...
Andreas
Oct 2, 2018
A magnetic disorder
When a 200-million-dollar passenger jet approaches a major airport somewhere on this planet and receives some directions from air traffic...
Andreas
Sep 23, 2018
A new approach
It used to be simple: There were „non-precision“ and „precision“ approaches. But things have changed quite a bit. The advent of...
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