 |
37000 Feet | Browse and search NASA's Aviation Safety Reporting System |
|
ZID controller experienced loss of separation with 2 aircraft at FL280.
| Attributes | |
| ACN | 604955 |
| Time | |
| Date | 200401 |
| Day | Fri |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | navaid : bkw.vortac |
| State Reference | WV |
| Altitude | msl bound lower : 28000 msl bound upper : 28600 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : ztl.artcc artcc : zid.artcc tower : int.tower |
| Operator | common carrier : air carrier |
| Make Model Name | Commercial Fixed Wing |
| Operating Under FAR Part | Part 121 |
| Flight Phase | cruise : level |
| Flight Plan | IFR |
| Aircraft 2 | |
| Controlling Facilities | artcc : zid.artcc |
| Operator | general aviation : corporate |
| Make Model Name | Commercial Fixed Wing |
| Operating Under FAR Part | Part 91 |
| Flight Phase | cruise : enroute altitude change cruise : level |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | government : faa |
| Function | controller : radar |
| Qualification | controller : radar controller : military |
| Experience | controller military : 13 controller radar : 18 controller supervisory : 5 |
| ASRS Report | 604955 |
| Person 2 | |
| Affiliation | government : faa |
| Function | controller : radar |
| Events | |
| Anomaly | conflict : airborne less severe non adherence : required legal separation |
| Independent Detector | atc equipment : conflict alert |
| Resolutory Action | controller : issued new clearance flight crew : took evasive action |
| Consequence | faa : investigated |
| Miss Distance | horizontal : 23400 vertical : 100 |
| Supplementary | |
| Problem Areas | ATC Human Performance |
| Primary Problem | ATC Human Performance |
| Air Traffic Incident | Inter Facility Coordination Failure Operational Error |
Narrative:
Aircraft X was descended to FL280 and was sbound. Aircraft Y was at FL290 northbound. Aircraft X was switched to ZTL. Aircraft Y was descended to FL270 for traffic eastbound at FL290. I stopped the descent at FL286 and told him to climb.
Original NASA ASRS Text
Title: ZID CTLR EXPERIENCED LOSS OF SEPARATION WITH 2 ACFT AT FL280.
Narrative: ACFT X WAS DSNDED TO FL280 AND WAS SBOUND. ACFT Y WAS AT FL290 NBOUND. ACFT X WAS SWITCHED TO ZTL. ACFT Y WAS DSNDED TO FL270 FOR TFC EBOUND AT FL290. I STOPPED THE DSCNT AT FL286 AND TOLD HIM TO CLB.
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.