Narrative:

After not having flown my cessna skyhawk since feb/xx/95 I was a little rusty so I went to gainesville regional airport to brush up on my pattern work. After using my checklist to do a preflight and listening to ATIS (127.15) I called ground control on (121.7). My aircraft was cleared to taxi to runway 06. I taxied to the runup pad and used my checklist to perform a run up. Upon completion I called tower (119.55). 'Tower cessna -- off runway 06 ready for takeoff.' what I wanted to hear and had heard many times before goes like this 'cessna -- gainesville tower. Taxi to runway 06. Cleared for takeoff. Right turns.' I proceeded to takeoff on runway 06. At the departure end at about 500 ft AGL. Tower called my call sign and said. '...Cross runway 06 to runway 10.' I think they were unaware I had departed and I assume they were talking to the aircraft behind me, still on the ground. That is when I realized I had missed my clearance. I immediately called tower to inform them I had departed from the wrong runway. The rest of the flight proceeded without further incident. I clearly have developed the bad habit of expecting to hear certain things in my departure clrncs at this airport. Small aircraft almost always use runway 06 and runway 24. I had my 4 yr old daughter as a passenger which contributed to my inattn at the critical moment. I should have called tower for a repeat but assumed I heard what I thought I heard. That was a judgement error. I need to listen up and repeat clrncs.

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Original NASA ASRS Text

Title: UNAUTH TKOF UNAUTH RWY -- THE PLT HEARD WHAT HE WANTED TO HEAR AND DID NOT REALIZE HIS MISTAKE UNTIL AFTER TKOF.

Narrative: AFTER NOT HAVING FLOWN MY CESSNA SKYHAWK SINCE FEB/XX/95 I WAS A LITTLE RUSTY SO I WENT TO GAINESVILLE REGIONAL ARPT TO BRUSH UP ON MY PATTERN WORK. AFTER USING MY CHKLIST TO DO A PREFLT AND LISTENING TO ATIS (127.15) I CALLED GND CTL ON (121.7). MY ACFT WAS CLRED TO TAXI TO RWY 06. I TAXIED TO THE RUNUP PAD AND USED MY CHKLIST TO PERFORM A RUN UP. UPON COMPLETION I CALLED TWR (119.55). 'TWR CESSNA -- OFF RWY 06 READY FOR TKOF.' WHAT I WANTED TO HEAR AND HAD HEARD MANY TIMES BEFORE GOES LIKE THIS 'CESSNA -- GAINESVILLE TWR. TAXI TO RWY 06. CLRED FOR TKOF. R TURNS.' I PROCEEDED TO TKOF ON RWY 06. AT THE DEP END AT ABOUT 500 FT AGL. TWR CALLED MY CALL SIGN AND SAID. '...CROSS RWY 06 TO RWY 10.' I THINK THEY WERE UNAWARE I HAD DEPARTED AND I ASSUME THEY WERE TALKING TO THE ACFT BEHIND ME, STILL ON THE GND. THAT IS WHEN I REALIZED I HAD MISSED MY CLRNC. I IMMEDIATELY CALLED TWR TO INFORM THEM I HAD DEPARTED FROM THE WRONG RWY. THE REST OF THE FLT PROCEEDED WITHOUT FURTHER INCIDENT. I CLRLY HAVE DEVELOPED THE BAD HABIT OF EXPECTING TO HEAR CERTAIN THINGS IN MY DEP CLRNCS AT THIS ARPT. SMALL ACFT ALMOST ALWAYS USE RWY 06 AND RWY 24. I HAD MY 4 YR OLD DAUGHTER AS A PAX WHICH CONTRIBUTED TO MY INATTN AT THE CRITICAL MOMENT. I SHOULD HAVE CALLED TWR FOR A REPEAT BUT ASSUMED I HEARD WHAT I THOUGHT I HEARD. THAT WAS A JUDGEMENT ERROR. I NEED TO LISTEN UP AND REPEAT CLRNCS.

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.