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M03 approach controller reports of turning aircraft to final and losing the required separation with another aircraft on the opposite base leg.
| Attributes | |
| ACN | 1212409 |
| Time | |
| Date | 201410 |
| Local Time Of Day | 1201-1800 |
| Place | |
| Locale Reference | MEM.Airport |
| State Reference | TN |
| Environment | |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | Large Transport Low Wing 2 Turbojet Eng |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Final Approach |
| Route In Use | Vectors |
| Flight Plan | IFR |
| Person 1 | |
| Function | Approach |
| Qualification | Air Traffic Control Fully Certified |
| Experience | Air Traffic Control Time Certified In Pos 1 (yrs) 2 |
| Events | |
| Anomaly | Conflict Airborne Conflict Deviation - Procedural Published Material / Policy |
Narrative:
I had base and downwind traffic for runway 36R on both the left and right side. I turned aircraft X behind a heavy at the same altitude and went below the required 3.5 mile recat separation. I did not use a memory jogger or scratch pad entry to notate the altitudes and did not recognize this until I had already turned aircraft X to join the final approach course.I should have used my scratch pad entries to notate the altitudes assigned since I had traffic from both sides to minimize any confusion.
Original NASA ASRS Text
Title: M03 Approach Controller reports of turning aircraft to final and losing the required separation with another aircraft on the opposite base leg.
Narrative: I had base and downwind traffic for Runway 36R on both the left and right side. I turned Aircraft X behind a heavy at the same altitude and went below the required 3.5 mile RECAT separation. I did not use a memory jogger or scratch pad entry to notate the altitudes and did not recognize this until I had already turned Aircraft X to join the final approach course.I should have used my scratch pad entries to notate the altitudes assigned since I had traffic from both sides to minimize any confusion.
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.