Narrative:

At XL10 on the sea 068 degree radial at approximately 15 DME sea departure on 119.20 received a frequency change. Before the change could be initiated received TCASII TA target was at 12 O'clock approximately 5 mi 500 ft above us. We were climbing through approximately 11-500 ft. Visual contact made. Climb stopped and left turn initiated to avoid traffic. At same time visual contact made and action taken -- the TA changed to an RA with descend. Controller said traffic had just popped up. Target passed off our right approximately 1-2 mi.

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Original NASA ASRS Text

Title: TCASII TA ACFT SIGHTED COMMENCED TURN AND STOPPED CLB. RA OCCURRED DSND. CTLR SAID IT WAS A POP-UP.

Narrative: AT XL10 ON THE SEA 068 DEG RADIAL AT APPROX 15 DME SEA DEP ON 119.20 RECEIVED A FREQ CHANGE. BEFORE THE CHANGE COULD BE INITIATED RECEIVED TCASII TA TARGET WAS AT 12 O'CLOCK APPROX 5 MI 500 FT ABOVE US. WE WERE CLBING THROUGH APPROX 11-500 FT. VISUAL CONTACT MADE. CLB STOPPED AND L TURN INITIATED TO AVOID TFC. AT SAME TIME VISUAL CONTACT MADE AND ACTION TAKEN -- THE TA CHANGED TO AN RA WITH DSND. CTLR SAID TFC HAD JUST POPPED UP. TARGET PASSED OFF OUR R APPROX 1-2 MI.

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.