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Atlanta center controller and pilot not flying the aircraft reported of a turn that ATC did not expect. ATC questioned the pilot's course and then pilot explained. Separation may have been lost with another aircraft that was on a parallel course.
| Attributes | |
| ACN | 1389032 |
| Time | |
| Date | 201609 |
| Local Time Of Day | 1201-1800 |
| Place | |
| Locale Reference | ZTL.ARTCC |
| State Reference | GA |
| Aircraft 1 | |
| Make Model Name | Large Transport |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Climb |
| Flight Plan | IFR |
| Aircraft 2 | |
| Make Model Name | Large Transport |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Climb |
| Flight Plan | IFR |
| Person 1 | |
| Function | Enroute |
| Qualification | Air Traffic Control Fully Certified |
| Experience | Air Traffic Control Time Certified In Pos 1 (yrs) 25 |
| Person 2 | |
| Function | Captain Pilot Not Flying |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Events | |
| Anomaly | ATC Issue All Types Conflict Airborne Conflict Deviation - Procedural Clearance Deviation - Procedural Published Material / Policy Deviation - Track / Heading All Types |
Narrative:
Aircraft X was climbed from FL260 to FL340 on the ester departure out of clt. Aircraft Y was climbing out of atl on the plmmr departure. When the aircraft were side by side the conflict alert activated. They happened to both be at FL281. Aircraft X had turned right unexpectedly at iptay instead of continuing straight ahead to chopz. When questioned pilot of aircraft X indicated they were cleared iptay direct atl. I don't think separation was lost; but the conflict alert did activate and when I put a J ring up on one of them the target was touching the J ring.stop participating in the creation of procedures (oapm) that intentionally put aircraft in such close proximity that there is no room for error.
Original NASA ASRS Text
Title: Atlanta Center Controller and pilot not flying the aircraft reported of a turn that ATC did not expect. ATC questioned the pilot's course and then pilot explained. Separation may have been lost with another aircraft that was on a parallel course.
Narrative: Aircraft X was climbed from FL260 to FL340 on the ESTER departure out of CLT. Aircraft Y was climbing out of ATL on the PLMMR departure. When the aircraft were side by side the conflict alert activated. They happened to both be at FL281. Aircraft X had turned right unexpectedly at IPTAY instead of continuing straight ahead to CHOPZ. When questioned pilot of aircraft X indicated they were cleared IPTAY direct ATL. I don't think separation was lost; but the conflict alert did activate and when I put a J ring up on one of them the target was touching the J ring.Stop participating in the creation of procedures (OAPM) that intentionally put aircraft in such close proximity that there is no room for error.
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.