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A climbing, departure air carrier medium large transport comes within 700 ft vertically and 2 mi horizontally from a cruising VFR aircraft at 14500 ft. TCASII RA has air carrier descend from traffic. ATC was advised.
| Attributes | |
| ACN | 396350 |
| Time | |
| Date | 199803 |
| Day | Fri |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | atc facility : hgo airport : cos |
| State Reference | CO |
| Altitude | msl bound lower : 13800 msl bound upper : 14500 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zdv tower : stl |
| Operator | common carrier : air carrier |
| Make Model Name | Commercial Fixed Wing |
| Operating Under FAR Part | Part 121 |
| Flight Phase | climbout : intermediate altitude |
| Flight Plan | IFR |
| Aircraft 2 | |
| Make Model Name | Any Unknown or Unlisted Aircraft Manufacturer |
| Operating Under FAR Part | other : unknown |
| Flight Phase | cruise other |
| Flight Plan | VFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : instrument pilot : flight engineer pilot : commercial pilot : cfi pilot : atp |
| Experience | flight time last 90 days : 40 flight time total : 15000 flight time type : 10000 |
| ASRS Report | 396350 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : instrument pilot : commercial |
| Events | |
| Anomaly | conflict : airborne less severe non adherence : required legal separation non adherence : published procedure other anomaly other |
| Independent Detector | aircraft equipment other aircraft equipment : unspecified |
| Resolutory Action | flight crew : took evasive action other |
| Consequence | Other |
| Miss Distance | horizontal : 12000 vertical : 700 |
| Supplementary | |
| Air Traffic Incident | Pilot Deviation other |
Narrative:
On climb out of colorado springs we were cleared to FL230 by previous controller (colorado springs departure). When we switched over to ZDV we advised ZDV we were climbing out of 13000 ft for FL230. When we picked up a target 900 ft above us on TCASII about 2 O'clock position, I advised center of traffic, and at the same time we were given a TCASII resolution to descend which we complied with. We descended to 13800 ft. The traffic passed off our right wing 2 mi (estimate) and 600-700 ft above us. Had we not complied with TCASII we would have gone through his altitude. We advised center of our compliance with TCASII and that we descended.
Original NASA ASRS Text
Title: A CLBING, DEP ACR MLG COMES WITHIN 700 FT VERTLY AND 2 MI HORIZLY FROM A CRUISING VFR ACFT AT 14500 FT. TCASII RA HAS ACR DSND FROM TFC. ATC WAS ADVISED.
Narrative: ON CLBOUT OF COLORADO SPRINGS WE WERE CLRED TO FL230 BY PREVIOUS CTLR (COLORADO SPRINGS DEP). WHEN WE SWITCHED OVER TO ZDV WE ADVISED ZDV WE WERE CLBING OUT OF 13000 FT FOR FL230. WHEN WE PICKED UP A TARGET 900 FT ABOVE US ON TCASII ABOUT 2 O'CLOCK POS, I ADVISED CTR OF TFC, AND AT THE SAME TIME WE WERE GIVEN A TCASII RESOLUTION TO DSND WHICH WE COMPLIED WITH. WE DSNDED TO 13800 FT. THE TFC PASSED OFF OUR R WING 2 MI (ESTIMATE) AND 600-700 FT ABOVE US. HAD WE NOT COMPLIED WITH TCASII WE WOULD HAVE GONE THROUGH HIS ALT. WE ADVISED CTR OF OUR COMPLIANCE WITH TCASII AND THAT WE DSNDED.
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.