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Southern california TRACON (sct) and myf controllers report of a loss of separation between two aircraft; in which the sct controller should have issued traffic. An assumption that another sct controller was watching the reporting controller's traffic was wrong. The tower controller had other priorities and didn't notice the loss until it had occurred.
| Attributes | |
| ACN | 1255070 |
| Time | |
| Date | 201504 |
| Local Time Of Day | 0001-0600 |
| Place | |
| Locale Reference | SCT.TRACON |
| State Reference | CA |
| Aircraft 1 | |
| Make Model Name | Small Aircraft |
| Operating Under FAR Part | Part 91 |
| Flight Phase | Final Approach |
| Route In Use | Other Instrument Approach |
| Flight Plan | IFR |
| Aircraft 2 | |
| Make Model Name | Small Aircraft Low Wing 2 Eng Retractable Gear |
| Flight Phase | Final Approach |
| Route In Use | Visual Approach |
| Flight Plan | IFR |
| Person 1 | |
| Function | Approach |
| Qualification | Air Traffic Control Fully Certified |
| Experience | Air Traffic Control Time Certified In Pos 1 (yrs) 9 |
| Person 2 | |
| Function | Local |
| Qualification | Air Traffic Control Fully Certified |
| Experience | Air Traffic Control Time Certified In Pos 1 (yrs) 14 |
| Events | |
| Anomaly | ATC Issue All Types Conflict Airborne Conflict Deviation - Procedural Published Material / Policy |
Narrative:
While working sder I accepted a point out on aircraft Y for a visual approach into myf. At the same time I had another aircraft; aircraft X; on the myf final ILS 28R. It is standard procedure for sdnr to point out the 28R visual approaches to the sder sector as the airport is very close to the airspace boundary. I accepted the point out but did not exchange traffic information to the sdnr controller. Typically the north controller will look to see what traffic the sder sector has and ensure appropriate separation is maintained. However; the responsibility to exchange traffic information with the north sector lies with the east sector. I assumed that the north controller would be watching.apply positive control.
Original NASA ASRS Text
Title: Southern California TRACON (SCT) and MYF Controllers report of a loss of separation between two aircraft; in which the SCT Controller should have issued traffic. An assumption that another SCT controller was watching the reporting Controller's traffic was wrong. The Tower Controller had other priorities and didn't notice the loss until it had occurred.
Narrative: While working SDER I accepted a point out on aircraft Y for a visual approach into MYF. At the same time I had another aircraft; aircraft X; on the MYF final ILS 28R. It is standard procedure for SDNR to point out the 28R visual approaches to the SDER sector as the airport is very close to the airspace boundary. I accepted the point out but did not exchange traffic information to the SDNR controller. Typically the north controller will look to see what traffic the SDER sector has and ensure appropriate separation is maintained. However; the responsibility to exchange traffic information with the north sector lies with the east sector. I assumed that the north controller would be watching.Apply positive control.
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.