Narrative:

The EMB190 was climbing out of bos cleared via the ssoxs 3 departure. While on a land line doing a point out; I noticed the flight take a hard right turn into sector 47. At the same time; boston approach called to inform me of the same thing. I immediately turned the pilot southeast on a 160 heading (which I noticed later he didn't even do). I queried the pilot as to their cleared route of flight and the fix to which they were navigating. They said they were cleared via the ssoxs 3 departure and were navigating to 'weymouth' or 'plymouth'. I honestly couldn't make it out. Weymouth doesn't make sense because that airport closed about a decade ago. But I can't imagine how any one of the plymouth navaids (airport; NDB) could have possibly found their way into that departure.this is literally the third EMB190 ssoxs 3 departure issue I've had within less than two years; all from the same company. Each time; they take these crazy right-hand turns on about a 270 heading. Is there some systemic issue we're missing with regard to this particular airline; aircraft; or FMS system/software? It may be time to investigate.

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Original NASA ASRS Text

Title: ZBW Controller reports an EMB190 making a sudden right turn at 14;000 FT on departure from BOS. The reporter has seen this turn happen twice before; each time by the same aircraft type and same company; and wonders if there is some FMS or software issue.

Narrative: The EMB190 was climbing out of BOS cleared via the SSOXS 3 departure. While on a land line doing a point out; I noticed the flight take a hard right turn into Sector 47. At the same time; Boston Approach called to inform me of the same thing. I immediately turned the pilot southeast on a 160 heading (which I noticed later he didn't even do). I queried the pilot as to their cleared route of flight and the fix to which they were navigating. They said they were cleared via the SSOXS 3 departure and were navigating to 'Weymouth' or 'Plymouth'. I honestly couldn't make it out. Weymouth doesn't make sense because that airport closed about a decade ago. But I can't imagine how any one of the Plymouth navaids (airport; NDB) could have possibly found their way into that departure.This is literally the third EMB190 SSOXS 3 departure issue I've had within less than two years; all from the same company. Each time; they take these crazy right-hand turns on about a 270 heading. Is there some systemic issue we're missing with regard to this particular airline; aircraft; or FMS system/software? It may be time to investigate.

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.