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An excursion from altitude is made following a TCASII RA for head-on VFR traffic that was reported to be 500 ft below and not pointed out by ATC.
| Attributes | |
| ACN | 507880 |
| Time | |
| Date | 200104 |
| Day | Wed |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : tri.airport |
| State Reference | TN |
| Altitude | msl single value : 15000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | ATR 72 |
| Flight Phase | cruise : level |
| Flight Plan | IFR |
| Aircraft 2 | |
| Controlling Facilities | artcc : ztl.artcc |
| Make Model Name | Cessna 210 Centurion / Turbo Centurion 210C, 210D |
| Flight Phase | cruise : level |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : atp pilot : cfi pilot : commercial pilot : instrument pilot : multi engine |
| Experience | flight time last 90 days : 220 flight time total : 4000 flight time type : 650 |
| ASRS Report | 507880 |
| Events | |
| Anomaly | altitude deviation : excursion from assigned altitude conflict : airborne critical other anomaly other |
| Resolutory Action | flight crew : returned to assigned altitude flight crew : took evasive action |
Narrative:
At 15000 ft, we received a TCASII RA that instructed us to climb. We followed the RA and climbed to 15400 ft. In climb, told ZTL we were climbing, spotted traffic (CE210). Center stated it was at 14500 ft, head-on course. Told center what just happened again, then descended to 15000 ft. Center told us he notified his supervisor, airspace was busy. He could have pointed out traffic sooner.
Original NASA ASRS Text
Title: AN EXCURSION FROM ALT IS MADE FOLLOWING A TCASII RA FOR HEAD-ON VFR TFC THAT WAS RPTED TO BE 500 FT BELOW AND NOT POINTED OUT BY ATC.
Narrative: AT 15000 FT, WE RECEIVED A TCASII RA THAT INSTRUCTED US TO CLB. WE FOLLOWED THE RA AND CLBED TO 15400 FT. IN CLB, TOLD ZTL WE WERE CLBING, SPOTTED TFC (CE210). CTR STATED IT WAS AT 14500 FT, HEAD-ON COURSE. TOLD CTR WHAT JUST HAPPENED AGAIN, THEN DSNDED TO 15000 FT. CTR TOLD US HE NOTIFIED HIS SUPVR, AIRSPACE WAS BUSY. HE COULD HAVE POINTED OUT TFC SOONER.
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.