Narrative:

After an ILS approach to runway 28R at myf I was in a hurry to clear the active because of a citation jet that I had been told was to follow. I turned left on runway 23 and asked for permission to taxi to FBO. Tower cleared me to taxi as requested. I mistakenly turned left on runway 28L instead of the parallel taxiway. The tower informed me of my mistake and I taxied clear. I believe that the biggest factor in the mistake was fatigue. The decision to go was last min. My son had to get to a doctor's appointment at XD00 the next morning in san diego. When I called FSS for WX, I was told the forecast for the morning was 200 ft overcast 1/2 mi visibility in mist. I was also misinformed that the ILS runway 28R was OTS. Based on this information and the fact that myf was forecast to be clear that evening I decided to go even though I had been up at XA00 that morning. As it turns out the WX was not clear and the ILS was not OTS, the DME on the ILS was. On approach I was asked by the controller at least 3 times for maximum forward speed for a citation jet to follow. I believe I relaxed my vigilance after a late night ILS approach to a relatively short runway. Also runway 28L is a narrow unlit runway that parallels the taxiway. I believe the best way to avoid this situation is to not fly when tired. Knowing that this is not always possible if faced with similar circumstances, I will maintain the heightened state of awareness I had on approach until the aircraft is in the tie downs.

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Original NASA ASRS Text

Title: IN AN EFFORT TO EXPEDITIOUSLY CLR THE RWY AT MYF AFTER TOUCHDOWN, A C90 PLT MISTAKENLY TURNED OFF ONTO ANOTHER RWY.

Narrative: AFTER AN ILS APCH TO RWY 28R AT MYF I WAS IN A HURRY TO CLR THE ACTIVE BECAUSE OF A CITATION JET THAT I HAD BEEN TOLD WAS TO FOLLOW. I TURNED L ON RWY 23 AND ASKED FOR PERMISSION TO TAXI TO FBO. TWR CLRED ME TO TAXI AS REQUESTED. I MISTAKENLY TURNED L ON RWY 28L INSTEAD OF THE PARALLEL TXWY. THE TWR INFORMED ME OF MY MISTAKE AND I TAXIED CLR. I BELIEVE THAT THE BIGGEST FACTOR IN THE MISTAKE WAS FATIGUE. THE DECISION TO GO WAS LAST MIN. MY SON HAD TO GET TO A DOCTOR'S APPOINTMENT AT XD00 THE NEXT MORNING IN SAN DIEGO. WHEN I CALLED FSS FOR WX, I WAS TOLD THE FORECAST FOR THE MORNING WAS 200 FT OVCST 1/2 MI VISIBILITY IN MIST. I WAS ALSO MISINFORMED THAT THE ILS RWY 28R WAS OTS. BASED ON THIS INFO AND THE FACT THAT MYF WAS FORECAST TO BE CLR THAT EVENING I DECIDED TO GO EVEN THOUGH I HAD BEEN UP AT XA00 THAT MORNING. AS IT TURNS OUT THE WX WAS NOT CLR AND THE ILS WAS NOT OTS, THE DME ON THE ILS WAS. ON APCH I WAS ASKED BY THE CTLR AT LEAST 3 TIMES FOR MAX FORWARD SPD FOR A CITATION JET TO FOLLOW. I BELIEVE I RELAXED MY VIGILANCE AFTER A LATE NIGHT ILS APCH TO A RELATIVELY SHORT RWY. ALSO RWY 28L IS A NARROW UNLIT RWY THAT PARALLELS THE TXWY. I BELIEVE THE BEST WAY TO AVOID THIS SIT IS TO NOT FLY WHEN TIRED. KNOWING THAT THIS IS NOT ALWAYS POSSIBLE IF FACED WITH SIMILAR CIRCUMSTANCES, I WILL MAINTAIN THE HEIGHTENED STATE OF AWARENESS I HAD ON APCH UNTIL THE ACFT IS IN THE TIE DOWNS.

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.