Previously Alternate brake was a Hydro Mechanical alternate brake system which was changed to electrical alternate brake system by MOI in 2007.This change provides Total segregation between normal and alternate circuit.
- System reliability improvement.
- Improvement of control braking sensitivity in alternate off mode
With the electrical alternate braking system, the alternate braking system is electrically controlled by the Alternate Braking Control Unit (ABCU) and fully monitored (any detected failure is signaled to the crew via ECAM warnings).
With this MOD the related procedures that were found unnecessary were changed accordingly.