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ZID controller descends B747 in xferring controller's airspace which conflicts with a military aircraft. Xferring controller did not 'reference' military aircraft when authorizing descent.
| Attributes | |
| ACN | 516617 |
| Time | |
| Date | 200106 |
| Day | Fri |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : cvg.airport |
| State Reference | KY |
| Altitude | msl single value : 19000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zid.artcc |
| Operator | common carrier : air carrier |
| Make Model Name | B747 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | descent : vacating altitude |
| Flight Plan | IFR |
| Aircraft 2 | |
| Controlling Facilities | artcc : zid.artcc |
| Operator | other |
| Operating Under FAR Part | Part 91 |
| Flight Phase | cruise : level |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | government : faa |
| Function | controller : radar |
| Qualification | controller : radar controller : developmental pilot : private pilot : instrument |
| Experience | controller radar : 1 controller time certified in position1 : 13 flight time total : 250 |
| ASRS Report | 516617 |
| Person 2 | |
| Affiliation | government : faa |
| Function | controller : radar |
| Qualification | controller : radar |
| Events | |
| Anomaly | conflict : airborne less severe non adherence : published procedure non adherence : required legal separation |
| Independent Detector | atc equipment : conflict alert other controllera |
| Resolutory Action | none taken : detected after the fact |
| Consequence | faa : investigated |
| Miss Distance | horizontal : 18300 vertical : 500 |
| Supplementary | |
| Problem Areas | ATC Human Performance ATC Facility Airspace Structure |
| Primary Problem | ATC Human Performance |
| Air Traffic Incident | Intra Facility Coordination Failure Operational Error |
| Situations | |
| ATC Facility | radar equipment : zid.artcc |
Narrative:
Air carrier X was inbound to sdf and handed off to my sector. Previous controller called to pass heading information and released control. Air carrier X was descended from FL200 to 16000 ft and separation was lost with military aircraft Y.
Original NASA ASRS Text
Title: ZID CTLR DSNDS B747 IN XFERRING CTLR'S AIRSPACE WHICH CONFLICTS WITH A MIL ACFT. XFERRING CTLR DID NOT 'REF' MIL ACFT WHEN AUTHORIZING DSCNT.
Narrative: ACR X WAS INBOUND TO SDF AND HANDED OFF TO MY SECTOR. PREVIOUS CTLR CALLED TO PASS HDG INFO AND RELEASED CTL. ACR X WAS DSNDED FROM FL200 TO 16000 FT AND SEPARATION WAS LOST WITH MIL ACFT Y.
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.