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ZDC controller experienced operational error at FL270 when dropping data block prior to aircraft departing his or her airspace.
| Attributes | |
| ACN | 670796 |
| Time | |
| Date | 200509 |
| Place | |
| Locale Reference | airport : iso.airport |
| State Reference | NC |
| Altitude | msl single value : 27000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zdc.artcc |
| Operator | common carrier : air carrier |
| Make Model Name | Regional Jet CL65 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | cruise : level |
| Flight Plan | IFR |
| Aircraft 2 | |
| Controlling Facilities | artcc : zdc.artcc |
| Operator | general aviation : corporate |
| Make Model Name | Cessna Citation Undifferentiated or Other Model |
| Operating Under FAR Part | Part 135 |
| Flight Phase | descent : approach |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | government : faa |
| Function | controller : radar |
| Qualification | controller : radar |
| Experience | controller radar : 14 controller time certified in position1 : 6 |
| ASRS Report | 670796 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Events | |
| Anomaly | conflict : airborne less severe non adherence : required legal separation |
| Independent Detector | atc equipment : conflict alert other controllera |
| Resolutory Action | controller : issued new clearance controller : issued alert |
| Consequence | faa : investigated |
| Miss Distance | horizontal : 24000 vertical : 600 |
| Supplementary | |
| Problem Areas | ATC Human Performance |
| Primary Problem | ATC Human Performance |
| Air Traffic Incident | Operational Error |
Narrative:
Aircraft #1 was level at FL270 and the data was inadvertently dropped. Aircraft #2 was descended through aircraft #1. Data blocks should be kept in your scope until they leave your airspace.
Original NASA ASRS Text
Title: ZDC CTLR EXPERIENCED OPERROR AT FL270 WHEN DROPPING DATA BLOCK PRIOR TO ACFT DEPARTING HIS OR HER AIRSPACE.
Narrative: ACFT #1 WAS LEVEL AT FL270 AND THE DATA WAS INADVERTENTLY DROPPED. ACFT #2 WAS DSNDED THROUGH ACFT #1. DATA BLOCKS SHOULD BE KEPT IN YOUR SCOPE UNTIL THEY LEAVE YOUR AIRSPACE.
Data retrieved from NASA's ASRS site as of January 2009 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.