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Conflict between air carrier-large transport and air carrier-small transport both being vectored for approach at same altitude.
| Attributes | |
| ACN | 96122 |
| Time | |
| Date | 198810 |
| Day | Mon |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : phl |
| State Reference | PA |
| Altitude | msl bound lower : 4000 msl bound upper : 4000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : phl |
| Operator | common carrier : air carrier |
| Make Model Name | Large Transport, Low Wing, 3 Turbojet Eng |
| Flight Phase | descent : approach |
| Route In Use | enroute : on vectors |
| Flight Plan | IFR |
| Aircraft 2 | |
| Operator | common carrier : air carrier |
| Make Model Name | Small Aircraft |
| Flight Phase | descent : approach |
| Route In Use | enroute : on vectors |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 30 flight time total : 15000 |
| ASRS Report | 96122 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Events | |
| Anomaly | conflict : airborne less severe non adherence : required legal separation non adherence : far other anomaly other |
| Independent Detector | other controllera other other : unspecified |
| Resolutory Action | controller : issued new clearance |
| Consequence | faa : reviewed incident with flight crew |
| Miss Distance | horizontal : 1500 vertical : 0 |
| Supplementary | |
| Primary Problem | ATC Human Performance |
| Air Traffic Incident | Operational Error |
Narrative:
While being vectored to final approach the controller told another aircraft to make an immediate heading change followed by 'large transport turn to a heading of 270 degrees and descend immediately to 3000'.' I immediately followed the controller's instructions and noticed another smaller aircraft out my right window (approximately 3:30) taking evasive action in the opp direction. After landing we called approach control on the phone and were told that training had been in process and it was the instrument who gave us the immediate commands. The supervisor said he saw the incident and had taken the individuals off the scope and reprimanded the controllers.
Original NASA ASRS Text
Title: CONFLICT BETWEEN ACR-LGT AND ACR-SMT BOTH BEING VECTORED FOR APCH AT SAME ALT.
Narrative: WHILE BEING VECTORED TO FINAL APCH THE CTLR TOLD ANOTHER ACFT TO MAKE AN IMMEDIATE HDG CHANGE FOLLOWED BY 'LGT TURN TO A HDG OF 270 DEGS AND DSND IMMEDIATELY TO 3000'.' I IMMEDIATELY FOLLOWED THE CTLR'S INSTRUCTIONS AND NOTICED ANOTHER SMALLER ACFT OUT MY RIGHT WINDOW (APPROX 3:30) TAKING EVASIVE ACTION IN THE OPP DIRECTION. AFTER LNDG WE CALLED APCH CTL ON THE PHONE AND WERE TOLD THAT TRNING HAD BEEN IN PROCESS AND IT WAS THE INSTR WHO GAVE US THE IMMEDIATE COMMANDS. THE SUPVR SAID HE SAW THE INCIDENT AND HAD TAKEN THE INDIVIDUALS OFF THE SCOPE AND REPRIMANDED THE CTLRS.
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.