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Mci controller described conflict at 4000 ft during visual approach procedures to runway 1 when one aircraft crossed the extended final.
| Attributes | |
| ACN | 700057 |
| Time | |
| Date | 200606 |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : mci.airport |
| State Reference | MO |
| Altitude | msl single value : 4000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : mci.tracon |
| Operator | common carrier : air carrier |
| Make Model Name | B737-300 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | descent : approach |
| Route In Use | approach : visual |
| Flight Plan | IFR |
| Aircraft 2 | |
| Controlling Facilities | tracon : mci.tracon |
| Operator | common carrier : air carrier |
| Make Model Name | Regional Jet 700 ER&LR |
| Operating Under FAR Part | Part 121 |
| Flight Phase | descent : approach |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | government : faa |
| Function | controller : approach |
| Qualification | controller : non radar controller : radar |
| Experience | controller non radar : 15 controller radar : 8 |
| ASRS Report | 700057 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Events | |
| Anomaly | conflict : airborne less severe |
| Independent Detector | atc equipment : conflict alert other controllera |
| Resolutory Action | controller : issued new clearance controller : issued advisory flight crew : took evasive action |
| Miss Distance | horizontal : 12000 vertical : 400 |
| Supplementary | |
| Problem Areas | ATC Human Performance |
| Primary Problem | ATC Human Performance |
Narrative:
B733 was cleared for a visual approach to runway 1R to follow his company which was 9 mi southeast of the airport. At the time the B733 was cleared; his location was 15 mi southwest of the airport. The B733 was shipped to the tower at that time. The CRJ7 was 15 mi southeast of the airport still on the downwind; when I turned him on a right base to follow behind the B733 and issued the B733 traffic. The B733 proceeded to cross the final and continue nebound compromising separation. I immediately turned the CRJ7 to the south and the conflict alert activated. I punched into the tower and overheard them issue traffic and the B733 report traffic in sight.
Original NASA ASRS Text
Title: MCI CTLR DESCRIBED CONFLICT AT 4000 FT DURING VISUAL APCH PROCS TO RWY 1 WHEN ONE ACFT CROSSED THE EXTENDED FINAL.
Narrative: B733 WAS CLRED FOR A VISUAL APCH TO RWY 1R TO FOLLOW HIS COMPANY WHICH WAS 9 MI SE OF THE ARPT. AT THE TIME THE B733 WAS CLRED; HIS LOCATION WAS 15 MI SW OF THE ARPT. THE B733 WAS SHIPPED TO THE TWR AT THAT TIME. THE CRJ7 WAS 15 MI SE OF THE ARPT STILL ON THE DOWNWIND; WHEN I TURNED HIM ON A R BASE TO FOLLOW BEHIND THE B733 AND ISSUED THE B733 TFC. THE B733 PROCEEDED TO CROSS THE FINAL AND CONTINUE NEBOUND COMPROMISING SEPARATION. I IMMEDIATELY TURNED THE CRJ7 TO THE S AND THE CONFLICT ALERT ACTIVATED. I PUNCHED INTO THE TWR AND OVERHEARD THEM ISSUE TFC AND THE B733 RPT TFC IN SIGHT.
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.