Narrative:

Flight was en route from great bend, ks (gbd) to kansas city international airport (mci) at 9500 MSL. Nearing the city of topeka, ks, the first officer called traffic out at 3 O'clock and very low. This traffic was jet traffic, and was doing air show work. I turned the aircraft approximately 45 degree left of course to put as much distance between our flight paths as I could. Upon returning to mci we checked and found that topeka had a NOTAM for protected airspace within 5 NM of forbes field from surface to 18000 ft. I do not know if I was in this airspace or not, but I do not feel that I was. However, I am writing this report to suggest that special closures of airspace within 100 NM of any TCA of high density airport should be notamed at that facility (i.e., mci) to avoid this type of occurrence. This is in the radius that letdowns, picking up ATIS, briefings, etc, occur, and the crew is somewhat distracted from outside observations.

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Original NASA ASRS Text

Title: COMMUTER SMT UNAUTHORIZED PENETRATION OF OSUA.

Narrative: FLT WAS ENRTE FROM GREAT BEND, KS (GBD) TO KANSAS CITY INTL ARPT (MCI) AT 9500 MSL. NEARING THE CITY OF TOPEKA, KS, THE FO CALLED TFC OUT AT 3 O'CLOCK AND VERY LOW. THIS TFC WAS JET TFC, AND WAS DOING AIR SHOW WORK. I TURNED THE ACFT APPROX 45 DEG L OF COURSE TO PUT AS MUCH DISTANCE BTWN OUR FLT PATHS AS I COULD. UPON RETURNING TO MCI WE CHKED AND FOUND THAT TOPEKA HAD A NOTAM FOR PROTECTED AIRSPACE WITHIN 5 NM OF FORBES FIELD FROM SURFACE TO 18000 FT. I DO NOT KNOW IF I WAS IN THIS AIRSPACE OR NOT, BUT I DO NOT FEEL THAT I WAS. HOWEVER, I AM WRITING THIS RPT TO SUGGEST THAT SPECIAL CLOSURES OF AIRSPACE WITHIN 100 NM OF ANY TCA OF HIGH DENSITY ARPT SHOULD BE NOTAMED AT THAT FACILITY (I.E., MCI) TO AVOID THIS TYPE OF OCCURRENCE. THIS IS IN THE RADIUS THAT LETDOWNS, PICKING UP ATIS, BRIEFINGS, ETC, OCCUR, AND THE CREW IS SOMEWHAT DISTRACTED FROM OUTSIDE OBSERVATIONS.

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.