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Tower front line manager (flm) reported an aircraft and others with the same company deviate from the assigned SID. The reporter stated this is the only company he sees that do this. The aircraft departed and turned the wrong direction. This turn cuts right across two other ATC control zones.
| Attributes | |
| ACN | 1342496 |
| Time | |
| Date | 201603 |
| Local Time Of Day | 1801-2400 |
| Place | |
| Locale Reference | ZZZ.Tower |
| State Reference | US |
| Aircraft 1 | |
| Make Model Name | Medium Large Transport |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Initial Climb |
| Route In Use | Vectors |
| Flight Plan | IFR |
| Person 1 | |
| Function | Supervisor / CIC |
| Qualification | Air Traffic Control Fully Certified |
| Experience | Air Traffic Control Time Certified In Pos 1 (yrs) 1.5 |
| Events | |
| Anomaly | ATC Issue All Types Deviation - Procedural Clearance Deviation - Procedural Published Material / Policy Deviation - Track / Heading All Types |
Narrative:
Aircraft X was on a departure; which takes the aircraft several miles south of [the airport]; then turns them out to the east. Lead controller east (lce) cleared aircraft X for takeoff. As he climbed past the departure end of the runway; lce instructed the pilot to contact departure. Seconds later; aircraft X was observed in a hard left turn to the east. Lce scrambled to coordinate with the departure controller; but fortunately there were no conflicts with other aircraft and the departure controller kept aircraft X in his turn. However; this is a common occurrence at [this airport]. The departure is flown over a hundred times a day and by each airline serviced by ATCT; but aircraft X's company is the only airline that ever deviates from it. I would estimate twice a month a aircraft X company jet deviates from the SID and turns early. Typically; the lce controller or even the departure controller is able to turn them back to the SID; but this is critical because an early eastbound turn from [departure airport] (in a south flow) cuts directly across the departure corridors at both [nearby] airports. The controllers at [departure airport] know to watch specifically for [a specific carrier] to turn early on that SID; but they should be able to expect a pilot to follow the SID every time. I have never seen any other carrier make this error; just aircraft X's company.the problem must be with the onboard equipment in the aircraft X [company aircraft]. I would like to see aircraft X company address the equipment issue; and/or educate the pilots on the matter. The airspace between [nearby] airports can get extremely congested; with both VFR and IFR aircraft. I believe it is only a matter of time before a significant occurrence due to an unexpected turn by a jet through this airspace.
Original NASA ASRS Text
Title: Tower Front Line Manager (FLM) reported an aircraft and others with the same company deviate from the assigned SID. The reporter stated this is the only company he sees that do this. The aircraft departed and turned the wrong direction. This turn cuts right across two other ATC control zones.
Narrative: Aircraft X was on a departure; which takes the aircraft several miles south of [the airport]; then turns them out to the east. Lead Controller East (LCE) cleared Aircraft X for takeoff. As he climbed past the departure end of the runway; LCE instructed the pilot to contact departure. Seconds later; Aircraft X was observed in a hard left turn to the east. LCE scrambled to coordinate with the departure controller; but fortunately there were no conflicts with other aircraft and the departure controller kept Aircraft X in his turn. However; this is a common occurrence at [this airport]. The departure is flown over a hundred times a day and by each airline serviced by ATCT; but Aircraft X's Company is the only airline that ever deviates from it. I would estimate twice a month a Aircraft X company jet deviates from the SID and turns early. Typically; the LCE controller or even the departure controller is able to turn them back to the SID; but this is critical because an early eastbound turn from [departure airport] (in a south flow) cuts directly across the departure corridors at both [nearby] airports. The controllers at [departure airport] know to watch specifically for [a specific carrier] to turn early on that SID; but they should be able to expect a pilot to follow the SID every time. I have never seen any other carrier make this error; just Aircraft X's Company.The problem must be with the onboard equipment in the Aircraft X [company aircraft]. I would like to see Aircraft X company address the equipment issue; and/or educate the pilots on the matter. The airspace between [nearby] airports can get extremely congested; with both VFR and IFR aircraft. I believe it is only a matter of time before a significant occurrence due to an unexpected turn by a jet through this airspace.
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.