What is Alternate Control Law?
In this glossary, Alternate Control Law refers to: A degraded mode in fly-by-wire aircraft providing limited flight envelope protections, used when normal law is lost due to system faults.
How is Alternate Control Law used in aviation?
In aviation communication, this term appears in contexts such as: "ATC, we are operating under alternate control law due to flight control degradation, protections partially lost."
Why does Alternate Control Law matter in aviation?
Alternate Control Law matters because it supports clear communication in Emergencies contexts for Pilots, Air Traffic Controllers, and Cabin Crew. It also connects to aviation training and exam language such as ICAO Level 4, ICAO Level 5, ICAO Level 6, and EASA FCL.055.
Who uses Alternate Control Law?
Alternate Control Law is mainly used by Pilots, Air Traffic Controllers, and Cabin Crew.
What category does Alternate Control Law belong to?
In this glossary, Alternate Control Law is grouped under Emergencies. Related pages in this category explain adjacent procedures, commands and operational concepts.
Where does this definition come from?
This definition is sourced from ICAO Doc 9432, FAA PCG and published by Protermify Aviation as a static aviation reference page.