Andreas
Back to the future: Direct Lift Control (DLC)
What do the F-14, the L-1011 and the C-17 have in common? You guessed it: their flight controls involve direct lift control [1]. More...
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Engineering Pilot Blog
Andreas
- Jun 23
ACAS X update: A small, big change
A description of the new ACAS X system and comparison with TCAS II.
Andreas
- May 2
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
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
- Jun 16, 2022
Beyond Vmo/Mmo: A closer look at high-speed certification rules
Design considerations for speeds above VMO/MMO.
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
- Dec 17, 2021
Rolling dynamics – understanding an airplane’s reaction to a roll command
No matter if we look at an aerobatic trainer, a jet fighter or a transport category airliner, they all execute rolling maneuvers on a...
Andreas
- Oct 23, 2021
Wind profiler and RASS – advanced weather sensors
wind profiler radar and RASS
Andreas
- Sep 4, 2021
Beyond the numbers: OEI climbing speeds
Climbing with One Engine Inoperative (OEI) is certainly not an everyday situation. When the need for such a maneuver arises, adherence to...
Andreas
- Jul 2, 2021
RVSM performance monitoring - Why, Where and How
Almost 40 years ago, the initial discussions at ICAO level took place to implement Reduced Vertical Separation Minima (RVSM) in some...
Andreas
- Apr 13, 2021
Single Event Effects - The Achilles heel of modern aerospace electronics
The Wright Flyer contained no electronics whatsoever. Sputnik I was quite simple, consisting of two transmitters based on tube...
Andreas
- Feb 22, 2021
Landing caveats – Considerations on how to get on the ground safely.
The “softness of touchdown” or passenger’s applause are certainly NOT valid rating scales for the quality of a landing. In fact, a good...
Andreas
- Jan 19, 2021
Aircraft-Pilot Coupling – Understanding why and how it happens.
The topic of Aircraft-Pilot Coupling (APC) has historically been referred to as “pilot-induced oscillation” or “pilot-involved...
Andreas
- Dec 1, 2020
A “new spin” on spins
EASA and FAA have significantly modified the stall-spin requirements for part 23 aircraft during the recent re-write of CS/FAR23. The...
Andreas
- Oct 5, 2020
AMDAR – the unknown giant
The airborne communication domain is currently subject to a significant re-design and very interesting applications are on the horizon...
Andreas
- Aug 26, 2020
Maneuvering effects
When an aircraft performs turns, pull-up’s or push-over’s, many things are different from the “straight-and-level” regime. Engineers...
Andreas
- Jul 4, 2020
How to climb - and why...
This article deals with the flight segment after the takeoff phase until reaching the cruise altitude.
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