Narrative:

On ROBUC3 STAR into boston logan; ATC gave late descend via instruction; FMS failed to descend aircraft; we descended then in vertical speed mode to try and make provi intersection at 11;000 feet. We were crossing at 12;000 feet when ATC issued a turn and a lower altitude. Complicating the situation was a wake turbulence encounter and frequency saturation.we did our best under the circumstances. In the future I will manually descend when well inside the STAR and issued a late descend via clearance.

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Original NASA ASRS Text

Title: CE-560XL flight crew reported failing to make a crossing restriction on descent into BOS; citing a late clearance and a wake turbulence encounter.

Narrative: On ROBUC3 STAR into Boston Logan; ATC gave late descend via instruction; FMS failed to descend aircraft; we descended then in Vertical Speed mode to try and make PROVI intersection at 11;000 feet. We were crossing at 12;000 feet when ATC issued a turn and a lower altitude. Complicating the situation was a wake turbulence encounter and frequency saturation.We did our best under the circumstances. In the future I will manually descend when well inside the STAR and issued a late descend via clearance.

Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.