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Flight crew of an air carrier widebody transport leveled off in descent in response to a TCASII TA and visual sighting of another aircraft.
| Attributes | |
| ACN | 268465 |
| Time | |
| Date | 199404 |
| Day | Tue |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | atc facility : bgn airport : llbg |
| State Reference | FO |
| Altitude | msl bound lower : 19600 msl bound upper : 20000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : llll |
| Operator | common carrier : air carrier |
| Make Model Name | B757 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | Other Other |
| Flight Phase | cruise other descent other |
| Flight Plan | IFR |
| Aircraft 2 | |
| Operator | common carrier : air carrier |
| Make Model Name | B747 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | Other Other |
| Flight Phase | cruise other |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : flight engineer pilot : atp |
| Experience | flight time last 90 days : 150 flight time total : 5500 flight time type : 1800 |
| ASRS Report | 268465 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 200 flight time total : 23000 flight time type : 2000 |
| ASRS Report | 268809 |
| Events | |
| Anomaly | conflict : airborne less severe other anomaly other |
| Independent Detector | other flight crewa |
| Resolutory Action | flight crew : took evasive action |
| Consequence | Other |
| Miss Distance | horizontal : 12000 vertical : 400 |
| Supplementary | |
| Primary Problem | ATC Human Performance |
| Air Traffic Incident | Operational Error |
Narrative:
While being vectored from the southwest to join the ben gurion VOR 300 degree radial inbound we were given a descent to 5000 ft. At about FL200, we got a TCASII alert followed by visual contact with an air carrier Y 747 being vectored in from the north 400 ft below us. We leveled off and then climbed several hundred ft. Each aircraft was then given vectors which actually reduced lateral separation. With the air carrier Y aircraft still below us we were told that we could continue to descend which would have reduced horizontal separation. Only after receiving a suitable vector did we continue to descend. Not all foreign controllers are as good as ours so be heads up!
Original NASA ASRS Text
Title: FLC OF AN ACR WDB LEVELED OFF IN DSCNT IN RESPONSE TO A TCASII TA AND VISUAL SIGHTING OF ANOTHER ACFT.
Narrative: WHILE BEING VECTORED FROM THE SOUTHWEST TO JOIN THE BEN GURION VOR 300 DEG RADIAL INBOUND WE WERE GIVEN A DSCNT TO 5000 FT. AT ABOUT FL200, WE GOT A TCASII ALERT FOLLOWED BY VISUAL CONTACT WITH AN ACR Y 747 BEING VECTORED IN FROM THE N 400 FT BELOW US. WE LEVELED OFF AND THEN CLBED SEVERAL HUNDRED FT. EACH ACFT WAS THEN GIVEN VECTORS WHICH ACTUALLY REDUCED LATERAL SEPARATION. WITH THE ACR Y ACFT STILL BELOW US WE WERE TOLD THAT WE COULD CONTINUE TO DSND WHICH WOULD HAVE REDUCED HORIZ SEPARATION. ONLY AFTER RECEIVING A SUITABLE VECTOR DID WE CONTINUE TO DSND. NOT ALL FOREIGN CTLRS ARE AS GOOD AS OURS SO BE HEADS UP!
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.