Narrative:

During taxi to runway 21L at dtw I inadvertently crossed the runway and stopped on the other side instead of holding short prior to the runway intersection as instructed. From taxiway S5 at dtw, the only way to taxi to full length runway 21L is to cross the runway and taxi down runway 9/27 to the end. My initial reaction was to do just that and kept a lookout for the signs for runway 9/27. Before I knew it I had crossed runway 21L (one of the 3 active parallel runways) without even noticing. It was dark and well into the night and fatigue was setting in. I am unsure as to the placement of runway markings for runway 21L and I might have missed it due to the width of taxiway south. I was asked to continue right on runway 9/27 to hold short of runway 21L after the controllers discovered the incursion. There was no compromise to safety. The same night arriving at syracuse hancock international, I landed without ever being turned over to the tower from approach control, cleared for the visual to runway 28. They said it wasn't a problem. Flying was without incident! Callback conversation with reporter revealed the following information: reporter stated he was flying single pilot. Also stated he was very tired because of being at the airport all day. He said he had airport taxi chart out but was hard to read because of night conditions. Dtw facility supervisor stated there are hold lines and signs at runway intersection taxiway S5.

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Original NASA ASRS Text

Title: CPR X RWY INCURSION.

Narrative: DURING TAXI TO RWY 21L AT DTW I INADVERTENTLY CROSSED THE RWY AND STOPPED ON THE OTHER SIDE INSTEAD OF HOLDING SHORT PRIOR TO THE RWY INTXN AS INSTRUCTED. FROM TXWY S5 AT DTW, THE ONLY WAY TO TAXI TO FULL LENGTH RWY 21L IS TO CROSS THE RWY AND TAXI DOWN RWY 9/27 TO THE END. MY INITIAL REACTION WAS TO DO JUST THAT AND KEPT A LOOKOUT FOR THE SIGNS FOR RWY 9/27. BEFORE I KNEW IT I HAD CROSSED RWY 21L (ONE OF THE 3 ACTIVE PARALLEL RWYS) WITHOUT EVEN NOTICING. IT WAS DARK AND WELL INTO THE NIGHT AND FATIGUE WAS SETTING IN. I AM UNSURE AS TO THE PLACEMENT OF RWY MARKINGS FOR RWY 21L AND I MIGHT HAVE MISSED IT DUE TO THE WIDTH OF TXWY S. I WAS ASKED TO CONTINUE R ON RWY 9/27 TO HOLD SHORT OF RWY 21L AFTER THE CTLRS DISCOVERED THE INCURSION. THERE WAS NO COMPROMISE TO SAFETY. THE SAME NIGHT ARRIVING AT SYRACUSE HANCOCK INTL, I LANDED WITHOUT EVER BEING TURNED OVER TO THE TWR FROM APCH CTL, CLRED FOR THE VISUAL TO RWY 28. THEY SAID IT WASN'T A PROB. FLYING WAS WITHOUT INCIDENT! CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: RPTR STATED HE WAS FLYING SINGLE PLT. ALSO STATED HE WAS VERY TIRED BECAUSE OF BEING AT THE ARPT ALL DAY. HE SAID HE HAD ARPT TAXI CHART OUT BUT WAS HARD TO READ BECAUSE OF NIGHT CONDITIONS. DTW FACILITY SUPVR STATED THERE ARE HOLD LINES AND SIGNS AT RWY INTXN TXWY S5.

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.