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Aus controller experienced operational error with climbing and descending opposite direction aircraft at 9000 ft.
| Attributes | |
| ACN | 626590 |
| Time | |
| Date | 200408 |
| Day | Fri |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | navaid : cwk.vortac |
| State Reference | TX |
| Altitude | msl bound lower : 8000 msl bound upper : 9000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : aus.tracon |
| Operator | common carrier : air carrier |
| Make Model Name | Commercial Fixed Wing |
| Operating Under FAR Part | Part 121 |
| Flight Phase | climbout : vacating altitude |
| Flight Plan | IFR |
| Aircraft 2 | |
| Controlling Facilities | tracon : aus.tracon |
| Operator | general aviation : personal |
| Make Model Name | Any Unknown or Unlisted Aircraft Manufacturer |
| Flight Phase | cruise : level descent : intermediate altitude |
| Route In Use | arrival : on vectors |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | government : faa |
| Function | controller : approach |
| Qualification | controller : military controller : non radar controller : radar |
| Experience | controller military : 2 controller non radar : 5 controller radar : 15 controller time certified in position1 : 2 |
| ASRS Report | 626590 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Events | |
| Anomaly | conflict : airborne critical non adherence : required legal separation |
| Independent Detector | atc equipment : conflict alert aircraft equipment : tcas other controllera |
| Resolutory Action | controller : issued alert controller : issued new clearance flight crew : took evasive action |
| Consequence | faa : investigated |
| Miss Distance | horizontal : 500 vertical : 100 |
| Supplementary | |
| Problem Areas | ATC Human Performance |
| Primary Problem | ATC Human Performance |
| Air Traffic Incident | Operational Error |
Narrative:
Aircraft Y, ZZZ1 inbound to aus was assigned 9000 ft due to crossing VFR traffic at 8500 ft wbound. Aircraft X departing aus was assigned 8000 ft. When VFR traffic cleared, I assigned aircraft X 9000 ft. When pilot reported leaving 8000 ft for 9000 ft I told him to descend to 8000 ft and advised aircraft Y of traffic opposite direction at 8500 ft, descending 5 mi. Aircraft Y received an RA and descended. Radar data said 200 ft.
Original NASA ASRS Text
Title: AUS CTLR EXPERIENCED OPERROR WITH CLBING AND DSNDING OPPOSITE DIRECTION ACFT AT 9000 FT.
Narrative: ACFT Y, ZZZ1 INBOUND TO AUS WAS ASSIGNED 9000 FT DUE TO XING VFR TFC AT 8500 FT WBOUND. ACFT X DEPARTING AUS WAS ASSIGNED 8000 FT. WHEN VFR TFC CLRED, I ASSIGNED ACFT X 9000 FT. WHEN PLT RPTED LEAVING 8000 FT FOR 9000 FT I TOLD HIM TO DSND TO 8000 FT AND ADVISED ACFT Y OF TFC OPPOSITE DIRECTION AT 8500 FT, DSNDING 5 MI. ACFT Y RECEIVED AN RA AND DSNDED. RADAR DATA SAID 200 FT.
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.