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Air carrier widebody transport experienced less than standard separation with another aircraft while in descent on radar vector.
| Attributes | |
| ACN | 124011 |
| Time | |
| Date | 198909 |
| Day | Thu |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | atc facility : gdm |
| State Reference | MA |
| Altitude | msl bound lower : 24000 msl bound upper : 29000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zbw |
| Operator | common carrier : air carrier |
| Make Model Name | Widebody, Low Wing, 2 Turbojet Eng |
| Navigation In Use | Other |
| Flight Phase | descent other |
| Route In Use | enroute : on vectors |
| Flight Plan | IFR |
| Aircraft 2 | |
| Make Model Name | Any Unknown or Unlisted Aircraft Manufacturer |
| Flight Phase | cruise other |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : private pilot : instrument pilot : atp pilot : commercial pilot : flight engineer |
| Experience | flight time last 90 days : 200 flight time total : 17000 flight time type : 2000 |
| ASRS Report | 124011 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : atp |
| Events | |
| Anomaly | conflict : airborne less severe non adherence : required legal separation |
| Independent Detector | other flight crewa |
| Resolutory Action | none taken : detected after the fact |
| Consequence | Other |
| Miss Distance | unspecified : 18000 |
| Supplementary | |
| Primary Problem | Ambiguous |
| Air Traffic Incident | Operational Error Pilot Deviation |
Narrative:
While being vectored for arrival sequencing into bos area and descending to FL240 apparent altitude conflict at FL290 with crossing traffic.
Original NASA ASRS Text
Title: ACR WDB EXPERIENCED LESS THAN STANDARD SEPARATION WITH ANOTHER ACFT WHILE IN DESCENT ON RADAR VECTOR.
Narrative: WHILE BEING VECTORED FOR ARRIVAL SEQUENCING INTO BOS AREA AND DESCENDING TO FL240 APPARENT ALT CONFLICT AT FL290 WITH XING TFC.
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.