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ARTCC radar controller issued descent clearance to aircraft in error which result in less than standard separation from another aircraft.
| Attributes | |
| ACN | 148880 |
| Time | |
| Date | 199006 |
| Day | Wed |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | atc facility : sav |
| State Reference | GA |
| Altitude | msl bound lower : 29000 msl bound upper : 31000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zjx |
| Operator | common carrier : air carrier |
| Make Model Name | Medium Large Transport, Low Wing, 2 Turbojet Eng |
| Flight Phase | descent other |
| Flight Plan | IFR |
| Aircraft 2 | |
| Make Model Name | Any Unknown or Unlisted Aircraft Manufacturer |
| Person 1 | |
| Affiliation | government : faa |
| Function | controller : radar |
| Qualification | controller : radar |
| Experience | controller radar : 17 |
| ASRS Report | 148880 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Events | |
| Anomaly | conflict : airborne less severe non adherence : published procedure non adherence : required legal separation |
| Independent Detector | other controllera |
| Resolutory Action | none taken : insufficient time none taken : detected after the fact |
| Consequence | Other |
| Miss Distance | horizontal : 13500 vertical : 1400 |
| Supplementary | |
| Primary Problem | ATC Human Performance |
| Air Traffic Incident | Operational Error |
Narrative:
I had just finished working moderate traffic when I issued descent clearance to an medium large transport to FL240. I intended to issue clearance to FL310 for northbound traffic, but for reasons unknown issued the wrong altitude.
Original NASA ASRS Text
Title: ARTCC RADAR CTLR ISSUED DESCENT CLRNC TO ACFT IN ERROR WHICH RESULT IN LESS THAN STANDARD SEPARATION FROM ANOTHER ACFT.
Narrative: I HAD JUST FINISHED WORKING MODERATE TFC WHEN I ISSUED DSNT CLRNC TO AN MLG TO FL240. I INTENDED TO ISSUE CLRNC TO FL310 FOR NBND TFC, BUT FOR REASONS UNKNOWN ISSUED THE WRONG ALT.
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.