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B737 descending with ZTL experienced TCASII conflict with aircraft ahead and below, leveled off and then was issued a turn by ATC.
| Attributes | |
| ACN | 621059 |
| Time | |
| Date | 200406 |
| Day | Tue |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | airport : rmg.airport |
| State Reference | AL |
| Altitude | msl single value : 26000 |
| Environment | |
| Flight Conditions | IMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : ztl.artcc |
| Operator | common carrier : air carrier |
| Make Model Name | B737-800 |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | other |
| Flight Phase | descent : intermediate altitude |
| Route In Use | arrival star : n/s |
| Flight Plan | IFR |
| Aircraft 2 | |
| Controlling Facilities | artcc : ztl.artcc |
| Make Model Name | Any Unknown or Unlisted Aircraft Manufacturer |
| Flight Phase | cruise : level |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 200 flight time total : 10000 flight time type : 1500 |
| ASRS Report | 621059 |
| 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 | aircraft equipment : tcas other flight crewa |
| Resolutory Action | controller : issued new clearance flight crew : took evasive action |
| Miss Distance | horizontal : 12000 vertical : 500 |
| Supplementary | |
| Problem Areas | ATC Human Performance Weather |
| Primary Problem | ATC Human Performance |
| Air Traffic Incident | Operational Error |
Narrative:
ZTL issued a descent for FL240. Passing approximately FL260, we got a TA for traffic at 12 O'clock position and approximately 5 mi, about 1000 ft below us. I leveled aircraft at approximately FL255 and turned left. Center then gave us a 30 degree left turn. Other aircraft passed off our right side. No visual contact.
Original NASA ASRS Text
Title: B737 DSNDING WITH ZTL EXPERIENCED TCASII CONFLICT WITH ACFT AHEAD AND BELOW, LEVELED OFF AND THEN WAS ISSUED A TURN BY ATC.
Narrative: ZTL ISSUED A DSCNT FOR FL240. PASSING APPROX FL260, WE GOT A TA FOR TFC AT 12 O'CLOCK POS AND APPROX 5 MI, ABOUT 1000 FT BELOW US. I LEVELED ACFT AT APPROX FL255 AND TURNED L. CTR THEN GAVE US A 30 DEG L TURN. OTHER ACFT PASSED OFF OUR R SIDE. NO VISUAL CONTACT.
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.