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Air carrier Y overtook air carrier X during departure climb resulting in less than standard separation. Operational error.
| Attributes | |
| ACN | 117608 |
| Time | |
| Date | 198907 |
| Day | Tue |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | atc facility : lga |
| State Reference | NY |
| Altitude | msl bound lower : 3000 msl bound upper : 5000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : n90 |
| Operator | common carrier : air carrier |
| Make Model Name | Widebody Transport |
| Flight Phase | climbout : intermediate altitude |
| Route In Use | departure sid : sid enroute airway : n90 |
| Flight Plan | IFR |
| Aircraft 2 | |
| Operator | common carrier : air carrier |
| Make Model Name | Widebody Transport |
| Flight Phase | climbout : intermediate altitude |
| Route In Use | departure sid : sid |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | government : faa |
| Function | controller : departure |
| Qualification | controller : radar |
| Experience | controller radar : 8 |
| ASRS Report | 117608 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Events | |
| Anomaly | conflict : airborne less severe non adherence : published procedure non adherence : required legal separation |
| Independent Detector | other controllera |
| Resolutory Action | none taken : anomaly accepted |
| Consequence | faa : investigated |
| Miss Distance | unspecified : 6000 vertical : 0 |
| Supplementary | |
| Primary Problem | ATC Human Performance |
| Air Traffic Incident | Operational Error |
Narrative:
I was working lga departure on the morning of jul/tue/89. Air carrier X departed runway 13 from lga climbing to 5000'. He was climbing and turning very slowly. Air carrier Y departed short a minute later. Air carrier Y climbed much faster and ended up turning inside air carrier X. I issued the traffic to air carrier Y and he said 'that was close'. One problem is the departure SID off runway 13 at lga. A second problem was that air carrier Y came off on the wrong transponder code and tagged up with someone else's identification. A solution to this problem is to change the departure SID off runway 13 at lga -- it's terrible.
Original NASA ASRS Text
Title: ACR Y OVERTOOK ACR X DURING DEP CLIMB RESULTING IN LESS THAN STANDARD SEPARATION. OPERATIONAL ERROR.
Narrative: I WAS WORKING LGA DEP ON THE MORNING OF JUL/TUE/89. ACR X DEPARTED RWY 13 FROM LGA CLIMBING TO 5000'. HE WAS CLIMBING AND TURNING VERY SLOWLY. ACR Y DEPARTED SHORT A MINUTE LATER. ACR Y CLIMBED MUCH FASTER AND ENDED UP TURNING INSIDE ACR X. I ISSUED THE TFC TO ACR Y AND HE SAID 'THAT WAS CLOSE'. ONE PROBLEM IS THE DEP SID OFF RWY 13 AT LGA. A SECOND PROBLEM WAS THAT ACR Y CAME OFF ON THE WRONG XPONDER CODE AND TAGGED UP WITH SOMEONE ELSE'S IDENTIFICATION. A SOLUTION TO THIS PROBLEM IS TO CHANGE THE DEP SID OFF RWY 13 AT LGA -- IT'S TERRIBLE.
Data retrieved from NASA's ASRS site as of August 2007 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.