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Two ZJX controllers describe a loss of separation incident at FL350 due the misunderstanding of a heading clearance by a foreign air carrier crew; and the misunderstanding of the read back by the controllers.
| Attributes | |
| ACN | 921642 |
| Time | |
| Date | 201012 |
| Local Time Of Day | 1801-2400 |
| Place | |
| Locale Reference | ZJX.ARTCC |
| State Reference | FL |
| Aircraft 1 | |
| Make Model Name | B737 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Cruise |
| Flight Plan | IFR |
| Aircraft 2 | |
| Make Model Name | A320 |
| Operating Under FAR Part | Part 129 |
| Flight Phase | Cruise |
| Flight Plan | IFR |
| Person 1 | |
| Function | Enroute |
| Qualification | Air Traffic Control Fully Certified |
| Person 2 | |
| Function | Handoff / Assist |
| Qualification | Air Traffic Control Fully Certified |
| Events | |
| Anomaly | Deviation - Procedural Clearance Deviation - Track / Heading All Types |
| Miss Distance | Horizontal 28800 Vertical 800 |
Narrative:
An A320 was enroute level at FL350. A B737 was given a parallel heading. The A320 was told to maintain 020; but read back 060. The turn was identified and [I] took corrective actions; however separation was still lost. Make sure that foreign pilots speak clearly as possible.
Original NASA ASRS Text
Title: Two ZJX Controllers describe a loss of separation incident at FL350 due the misunderstanding of a heading clearance by a foreign Air Carrier crew; and the misunderstanding of the read back by the Controllers.
Narrative: An A320 was enroute level at FL350. A B737 was given a parallel heading. The A320 was told to maintain 020; but read back 060. The turn was identified and [I] took corrective actions; however separation was still lost. Make sure that foreign pilots speak clearly as possible.
Data retrieved from NASA's ASRS site as of April 2012 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.