Which SAS channels are affected by the SAS DEGRADED advisory?

Which SAS channels are affected by the SAS DEGRADED advisory?

• A. SAS 1 and SAS 2
• B. SAS 1 only
• C. SAS 2 only
• D. All SAS channels

Answer: (A)

Both SAS channels are affected because the SAS DEGRADED advisory flags a system-wide degradation of the stabilization augmentation system, not just a single channel. The UH-60’s SAS operates with two independent channels (SAS 1 and SAS 2) to provide redundancy. When the advisory indicates degraded performance, it means the stabilization data from the entire SAS path is not meeting normal standards, so both channels are involved in the degraded condition. If only one channel were degraded, you would expect a fault or advisory specific to that channel rather than a general degraded SAS status.

Both SAS channels are affected because the SAS DEGRADED advisory flags a system-wide degradation of the stabilization augmentation system, not just a single channel. The UH-60’s SAS operates with two independent channels (SAS 1 and SAS 2) to provide redundancy. When the advisory indicates degraded performance, it means the stabilization data from the entire SAS path is not meeting normal standards, so both channels are involved in the degraded condition. If only one channel were degraded, you would expect a fault or advisory specific to that channel rather than a general degraded SAS status.