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Air carrier X turn to wrong heading had less than standard separation from air carrier Y. Pilot deviation.
| Attributes | |
| ACN | 246634 |
| Time | |
| Date | 199307 |
| Day | Mon |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | atc facility : teb |
| State Reference | NJ |
| Altitude | msl bound lower : 5000 msl bound upper : 5000 |
| Environment | |
| Flight Conditions | Mixed |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : n90 tower : yow |
| Operator | common carrier : air carrier |
| Make Model Name | Light Transport, Low Wing, 2 Turboprop Eng |
| Flight Phase | cruise other |
| Route In Use | enroute : on vectors |
| Flight Plan | IFR |
| Aircraft 2 | |
| Operator | common carrier : air carrier |
| Make Model Name | Medium Large Transport, Low Wing, 2 Turbojet Eng |
| Navigation In Use | Other Other |
| Flight Phase | cruise other |
| Route In Use | enroute : direct |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | government : faa |
| Function | controller : approach |
| Qualification | controller : radar |
| Experience | controller radar : 4 |
| ASRS Report | 246634 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Events | |
| Anomaly | altitude deviation : excursion from assigned altitude conflict : airborne less severe non adherence : clearance non adherence : required legal separation other spatial deviation |
| Independent Detector | aircraft equipment other aircraft equipment : unspecified other controllera |
| Resolutory Action | flight crew : took evasive action |
| Consequence | Other |
| Miss Distance | horizontal : 6000 vertical : 400 |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
Busy session on final (approximately 10 aircraft on frequency). Air carrier X was given a 090 degree heading and I heard him read back 090 degrees but I noticed him sbound. I told him to descend immediately to 040 and turn left to 090. He took up a 190 heading instead of 90. He missed air carrier Y by about 1 NM and 400 ft. Air carrier Y then informed me he was climbing due to TCASII RA. This is the instruction I would have given -- if I had time.
Original NASA ASRS Text
Title: ACR X TURN TO WRONG HDG HAD LTSS FROM ACR Y. PLTDEV.
Narrative: BUSY SESSION ON FINAL (APPROX 10 ACFT ON FREQ). ACR X WAS GIVEN A 090 DEG HDG AND I HEARD HIM READ BACK 090 DEGS BUT I NOTICED HIM SBOUND. I TOLD HIM TO DSND IMMEDIATELY TO 040 AND TURN L TO 090. HE TOOK UP A 190 HDG INSTEAD OF 90. HE MISSED ACR Y BY ABOUT 1 NM AND 400 FT. ACR Y THEN INFORMED ME HE WAS CLBING DUE TO TCASII RA. THIS IS THE INSTRUCTION I WOULD HAVE GIVEN -- IF I HAD TIME.
Data retrieved from NASA's ASRS site as of July 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.