Narrative:

On may/sun/02 I was flying from ZZZ to ZZZ1. Upon receiving my initial clearance to enter the ZZZ1 class B airspace, I was initially instructed to remain north of runway 26. As I approached the airport from the north, I was given clearance to cross runway 26 and land at the FBO ramp area. At the time I was given my landing clearance, I was about 1/2 mi west of the departure end of the runways and almost abeam runway 26 (still flying south, and on a left base for landing east to the ramp). I idented my intended landing area, intercepted my desired approach angle, and initiated my approach while on base. At this point I looked inside the cockpit momentarily to toggle communication #2 to the frequency for FBO, and while looking inside the aircraft I also reconfirmed my before landing check. This only took 3 or 4 seconds, but when I looked back outside the aircraft, I looked at and misidented runway 25R as runway 26. (ZZZ1 airport has parallel runways.) I crossed over the extended centerline of runway 25R before I realized my mistake. ATC made me aware of my error at about the same time I realized it myself. The controller then asked me to call the tower after landing. The tower controller informed me that she had to file a pilot deviation report as a result of my error. There was an aircraft departing runway 25R when I crossed the extended centerline but the combination of his rotation point and his steep angle of climb (for noise abatement purposes, I believe) resulted in vertical separation that I believe was more than adequate for safe margins. Being in the landing phase, my low altitude also contributed to that separation.

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Original NASA ASRS Text

Title: BELL 407 PLT CROSSES DEP END OF ACTIVE RWY WITHOUT CLRNC.

Narrative: ON MAY/SUN/02 I WAS FLYING FROM ZZZ TO ZZZ1. UPON RECEIVING MY INITIAL CLRNC TO ENTER THE ZZZ1 CLASS B AIRSPACE, I WAS INITIALLY INSTRUCTED TO REMAIN N OF RWY 26. AS I APCHED THE ARPT FROM THE N, I WAS GIVEN CLRNC TO CROSS RWY 26 AND LAND AT THE FBO RAMP AREA. AT THE TIME I WAS GIVEN MY LNDG CLRNC, I WAS ABOUT 1/2 MI W OF THE DEP END OF THE RWYS AND ALMOST ABEAM RWY 26 (STILL FLYING S, AND ON A L BASE FOR LNDG E TO THE RAMP). I IDENTED MY INTENDED LNDG AREA, INTERCEPTED MY DESIRED APCH ANGLE, AND INITIATED MY APCH WHILE ON BASE. AT THIS POINT I LOOKED INSIDE THE COCKPIT MOMENTARILY TO TOGGLE COM #2 TO THE FREQ FOR FBO, AND WHILE LOOKING INSIDE THE ACFT I ALSO RECONFIRMED MY BEFORE LNDG CHK. THIS ONLY TOOK 3 OR 4 SECONDS, BUT WHEN I LOOKED BACK OUTSIDE THE ACFT, I LOOKED AT AND MISIDENTED RWY 25R AS RWY 26. (ZZZ1 ARPT HAS PARALLEL RWYS.) I CROSSED OVER THE EXTENDED CTRLINE OF RWY 25R BEFORE I REALIZED MY MISTAKE. ATC MADE ME AWARE OF MY ERROR AT ABOUT THE SAME TIME I REALIZED IT MYSELF. THE CTLR THEN ASKED ME TO CALL THE TWR AFTER LNDG. THE TWR CTLR INFORMED ME THAT SHE HAD TO FILE A PLTDEV RPT AS A RESULT OF MY ERROR. THERE WAS AN ACFT DEPARTING RWY 25R WHEN I CROSSED THE EXTENDED CTRLINE BUT THE COMBINATION OF HIS ROTATION POINT AND HIS STEEP ANGLE OF CLB (FOR NOISE ABATEMENT PURPOSES, I BELIEVE) RESULTED IN VERT SEPARATION THAT I BELIEVE WAS MORE THAN ADEQUATE FOR SAFE MARGINS. BEING IN THE LNDG PHASE, MY LOW ALT ALSO CONTRIBUTED TO THAT SEPARATION.

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.