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N90 TRACON controller reported of a loss of separation that he attributed to an airspace delegation that does not take into consideration wake turbulence. Aircraft departed 1000 ft above another aircraft before there was 5 miles of separation.
| Attributes | |
| ACN | 1311014 |
| Time | |
| Date | 201511 |
| Local Time Of Day | 1801-2400 |
| Place | |
| Locale Reference | N90.TRACON |
| State Reference | NY |
| Environment | |
| Light | Night |
| Aircraft 1 | |
| Make Model Name | Widebody Low Wing 2 Turbojet Eng |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Final Approach |
| Flight Plan | IFR |
| Aircraft 2 | |
| Make Model Name | Medium Large Transport Low Wing 2 Turbojet Eng |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Final Approach |
| Route In Use | Other Instrument Approach |
| Flight Plan | IFR |
| Person 1 | |
| Function | Approach |
| Qualification | Air Traffic Control Fully Certified |
| Experience | Air Traffic Control Time Certified In Pos 1 (yrs) 4 |
| Events | |
| Anomaly | ATC Issue All Types Conflict Airborne Conflict Deviation - Altitude Excursion From Assigned Altitude Deviation - Procedural Published Material / Policy Deviation - Procedural Clearance |
Narrative:
Aircraft X was on final into runway 22 at ewr. Aircraft Y was on final into runway 13 at lga. On this runway set up lga arrivals fly at 2;000 ft underneath ewr arrivals at 3;000 ft. Unfortunately this airspace delegation does not take into consideration wake turbulence; and aircraft X started his descent on his approach before he was 5 miles ahead of aircraft Y. I recommend ewr can no longer land runway 22 while lga is landing runway 13.
Original NASA ASRS Text
Title: N90 TRACON Controller reported of a loss of separation that he attributed to an airspace delegation that does not take into consideration wake turbulence. Aircraft departed 1000 ft above another aircraft before there was 5 miles of separation.
Narrative: Aircraft X was on Final into RWY 22 at EWR. Aircraft Y was on Final into RWY 13 at LGA. On this runway set up LGA arrivals fly at 2;000 ft underneath EWR arrivals at 3;000 ft. Unfortunately this airspace delegation does not take into consideration wake turbulence; and Aircraft X started his descent on his approach before he was 5 miles ahead of Aircraft Y. I recommend EWR can no longer land RWY 22 while LGA is landing RWY 13.
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.