Answer by Kolom for What is the maximal acceptable delay between pilot's...
For civilian certification there are no specific requirements for certification in the FAA Part 23/25 or in the EASA CS 23/25. But obviously they require aircraft not to be prone to PIOs, even though...
View ArticleAnswer by ToUsIf for What is the maximal acceptable delay between pilot's...
The technical term used is latency i.e. the propagation (or transport) delay between the input (pilot control) and the output (control surface movement). The aircraft designer (or Original Equipment...
View ArticleAnswer by Camille Goudeseune for What is the maximal acceptable delay between...
Is there a maximal delay between pilot's input and flight control surface deflection to certify an aircraft?Literally, no. The FAA's only pronouncements about latency are about ADS-B.To measure what...
View ArticleAnswer by JZYL for What is the maximal acceptable delay between pilot's input...
Excessive phase lag is a direct contributor to Type I Pilot-Induced Oscillation (PIO). Phase lag comes from:Rigid body dynamics of the aircraft (e.g. delay between elevator surface and pitch rate...
View ArticleAnswer by niels nielsen for What is the maximal acceptable delay between...
This is a classic problem in control system theory. The condition to be avoided at all costs is the case where the pilot's control actions get out of phase with the movements of the plane, so the...
View ArticleAnswer by Koyovis for What is the maximal acceptable delay between pilot's...
There is quite some experience in this in Level D simulators, which have computer generated responses that must match those of the original aircraft, within tight tolerances.A couple of decades ago,...
View ArticleWhat is the maximal acceptable delay between pilot's input and flight control...
While I was watching a cockpit video of an A330 landing in which the pilot was frenetically moving its sidestick, I wander what was the reaction time of this flight by wire system. Indeed, the time for...
View ArticleAnswer by Bill Galbraith for What is the maximal acceptable delay between...
In the early 1980’s, the Flight Research Department at Arvin/Calspan ATC investigated the issues associated with the digital flight control systems, commonly known as Fly-By-Wire (FBW), which were...
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