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C90 controller providing OJT described separation event when trainee failed to provide positive control instructions to several visual approach aircraft resulting in a questionable separation situation.
| Attributes | |
| ACN | 859395 |
| Time | |
| Date | 200911 |
| Local Time Of Day | 0001-0600 |
| Place | |
| Locale Reference | ORD.Airport |
| State Reference | IL |
| Aircraft 1 | |
| Make Model Name | Medium Transport Low Wing 2 Turbojet Eng |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Initial Approach |
| Flight Plan | IFR |
| Aircraft 2 | |
| Make Model Name | Medium Transport Low Wing 2 Turbojet Eng |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Initial Approach |
| Flight Plan | IFR |
| Person 1 | |
| Function | Approach Instructor |
| Qualification | Air Traffic Control Fully Certified |
| Events | |
| Anomaly | ATC Issue All Types Conflict Airborne Conflict |
Narrative:
Air carrier X was cleared on visual approach behind heavy jet. Air carrier X went through the localizer to provide their own spacing. Air carrier Y was turned in behind air carrier X but with a considerable tailwind and was closing. Told trainee; who vectored through localizer; to use divergence and attempted visual. However; since the lead aircraft went through the localizer; divergence was not sufficient. The practice of off-loading aircraft to far fixes; by-passing the closer runway; either for training or in an attempt to 'reduce taxi time'; adds unnecessary complexity to the operation and in most cases actually increases flight time. This practice occurs commonly with farmm arrivals to runway 28 when on west flow; bearz arrivals when on plan X; and as in this case farmm arrivals on plan D. Recommend that hand off controllers be instructed to use the close runway to reduce complexity. Instruct the trainee; again; to turn in towards the final when issuing a visual approach clearance. Override the trainee in a timelier manner.
Original NASA ASRS Text
Title: C90 controller providing OJT described separation event when trainee failed to provide positive control instructions to several visual approach aircraft resulting in a questionable separation situation.
Narrative: Air Carrier X was cleared on visual approach behind heavy jet. Air Carrier X went through the localizer to provide their own spacing. Air Carrier Y was turned in behind Air Carrier X but with a considerable tailwind and was closing. Told trainee; who vectored through localizer; to use divergence and attempted visual. However; since the lead aircraft went through the localizer; divergence was not sufficient. The practice of off-loading aircraft to far fixes; by-passing the closer runway; either for training or in an attempt to 'reduce taxi time'; adds unnecessary complexity to the operation and in most cases actually increases flight time. This practice occurs commonly with FARMM arrivals to Runway 28 when on West Flow; BEARZ arrivals when on Plan X; and as in this case FARMM arrivals on Plan D. Recommend that hand off controllers be instructed to use the close runway to reduce complexity. Instruct the trainee; again; to turn in towards the final when issuing a visual approach clearance. Override the trainee in a timelier manner.
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.