Narrative:

Aircraft climbed through our altitude, FL350 2 DME south tbg VOR. Received TA approximately 5 mi at 12 O'clock, 1500 ft below and climbing. Were unable to acquire visually. Intruder continued to climb through our altitude. Passed approximately 1.5 mi east, 500 ft below, according to TCASII. Questioned panama ATC, non radar contact, first sign of TA. Attempted to get information on other aircraft. Was told to stand by. Different controller took over frequency. Gave no information.

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Original NASA ASRS Text

Title: B757 HAS ACFT CLB THROUGH THEIR ALT AT FL350.

Narrative: ACFT CLBED THROUGH OUR ALT, FL350 2 DME S TBG VOR. RECEIVED TA APPROX 5 MI AT 12 O'CLOCK, 1500 FT BELOW AND CLBING. WERE UNABLE TO ACQUIRE VISUALLY. INTRUDER CONTINUED TO CLB THROUGH OUR ALT. PASSED APPROX 1.5 MI E, 500 FT BELOW, ACCORDING TO TCASII. QUESTIONED PANAMA ATC, NON RADAR CONTACT, FIRST SIGN OF TA. ATTEMPTED TO GET INFO ON OTHER ACFT. WAS TOLD TO STAND BY. DIFFERENT CTLR TOOK OVER FREQ. GAVE NO INFO.

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.