Narrative:

The purpose of the flight was to practice steep turns, slow flight and stalls in preparation for my private pilot flight check. During the before takeoff checklist, I became distracted by another aircraft waiting behind me to takeoff. I rushed through and did not turn on my transponder at the 'radios and avionics -- set' item. If 'transponder -- on' were added to my checklist, this might not have happened. After takeoff I headed west at 2000 ft MSL to clear out to the 80/40 ring of the mci TCA so I could practice stalls between 3000-4000 ft MSL. The sun was bright and in my face. The haze seemed worse than 5 mi visibility and there was a moderate headwind. I decided to climb to get out of the haze as it looked clearer above. I did not consider the TCA in this decision. I don't know if I broke the 3000 ft or 4000 ft lower limit but I could have broken both. I was distracted by the lower than expected visibility and then focused on doing the stalls and may have entered the TCA with my transponder off. I could have avoided this by regularly using ground landmarks to verify my position relative to the TCA.

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Original NASA ASRS Text

Title: STUDENT PLT OF AN SMA SEL TRAINING ACFT FORGOT TO TURN ON THE XPONDER ON DEP UNDER THE TCA AND PENETRATED THE TCA DURING AIR WORK PRACTICE.

Narrative: THE PURPOSE OF THE FLT WAS TO PRACTICE STEEP TURNS, SLOW FLT AND STALLS IN PREPARATION FOR MY PRIVATE PLT FLT CHK. DURING THE BEFORE TKOF CHKLIST, I BECAME DISTRACTED BY ANOTHER ACFT WAITING BEHIND ME TO TKOF. I RUSHED THROUGH AND DID NOT TURN ON MY XPONDER AT THE 'RADIOS AND AVIONICS -- SET' ITEM. IF 'XPONDER -- ON' WERE ADDED TO MY CHKLIST, THIS MIGHT NOT HAVE HAPPENED. AFTER TKOF I HEADED W AT 2000 FT MSL TO CLR OUT TO THE 80/40 RING OF THE MCI TCA SO I COULD PRACTICE STALLS BTWN 3000-4000 FT MSL. THE SUN WAS BRIGHT AND IN MY FACE. THE HAZE SEEMED WORSE THAN 5 MI VISIBILITY AND THERE WAS A MODERATE HEADWIND. I DECIDED TO CLB TO GET OUT OF THE HAZE AS IT LOOKED CLEARER ABOVE. I DID NOT CONSIDER THE TCA IN THIS DECISION. I DON'T KNOW IF I BROKE THE 3000 FT OR 4000 FT LOWER LIMIT BUT I COULD HAVE BROKEN BOTH. I WAS DISTRACTED BY THE LOWER THAN EXPECTED VISIBILITY AND THEN FOCUSED ON DOING THE STALLS AND MAY HAVE ENTERED THE TCA WITH MY XPONDER OFF. I COULD HAVE AVOIDED THIS BY REGULARLY USING GND LANDMARKS TO VERIFY MY POS RELATIVE TO THE TCA.

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.