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ZNY oceanic controller is advised that a flight needs to deviate for weather. Controller sends information that deviation is approved at FL370 or FL390. Aircraft is at FL380 and deviates prior to receiving message and is a conflict for another aircraft at FL380.
| Attributes | |
| ACN | 1204709 |
| Time | |
| Date | 201409 |
| Local Time Of Day | 0601-1200 |
| Place | |
| Locale Reference | ZNY.ARTCC |
| State Reference | NY |
| Environment | |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | Widebody Low Wing 2 Turbojet Eng |
| Operating Under FAR Part | Part 129 |
| Flight Phase | Cruise |
| Route In Use | Oceanic |
| Flight Plan | IFR |
| Aircraft 2 | |
| Make Model Name | Commercial Fixed Wing |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Cruise |
| Route In Use | Oceanic |
| Flight Plan | IFR |
| Person 1 | |
| Function | Enroute Oceanic |
| Qualification | Air Traffic Control Fully Certified |
| Experience | Air Traffic Control Time Certified In Pos 1 (yrs) 16 |
| Events | |
| Anomaly | Conflict Airborne Conflict Deviation - Procedural Clearance Deviation - Track / Heading All Types Inflight Event / Encounter Weather / Turbulence |
Narrative:
Aircraft X requested deviation west of 40 miles for weather. After probing clearance; I determined deviation could be approved at FL370 or FL390; and sent this information to pilot through HF. Pilot responded that he was beginning deviation without receiving a clearance. Atop showed his position converging with another flight and the adjacent airway to the west at FL380. Established phone patch with aircraft X through commercial radio and cleared him to immediately descent to FL370 and gave traffic. No alert was generated by atop; even though separation was diminished.would have liked atop to show the conflict; although this did not affect my response.
Original NASA ASRS Text
Title: ZNY Oceanic Controller is advised that a flight needs to deviate for weather. Controller sends information that deviation is approved at FL370 or FL390. Aircraft is at FL380 and deviates prior to receiving message and is a conflict for another aircraft at FL380.
Narrative: Aircraft X requested deviation west of 40 miles for weather. After probing clearance; I determined deviation could be approved at FL370 or FL390; and sent this information to pilot through HF. Pilot responded that he was beginning deviation without receiving a clearance. ATOP showed his position converging with another flight and the adjacent airway to the west at FL380. Established phone patch with Aircraft X through Commercial Radio and cleared him to immediately descent to FL370 and gave traffic. No alert was generated by ATOP; even though separation was diminished.Would have liked ATOP to show the conflict; although this did not affect my response.
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.