Narrative:

Our flight profile was a deadhead flight from sjc to las. We prepared for the flight without any complications and I placed one of our new type rated pilots in the left seat and I was to be the PNF. We discussed the profile and clearance and proceeded through the checklist through engine start. Completing all required items, we called for taxi and received a clearance to taxi to what I believed was runway 30L, which I did not question as the right had been closed for repairs and this was a common clearance from this area of the airport. The PF concurred and we proceeded to taxi and the controller confirmed a flow time restr of which we had not received but he indicated that it did not affect our flight. With this new distraction, I can not fully conclude the issue of the taxi clearance. I usually would confirm the crossing of a runway regardless of the situation, but I did not this time. We reached the approach end of runway 30R and continued the taxi across the end of the runway after checking for approach traffic with the plan of holding short of runway 30L as we believed the clearance to be. I contacted the tower 1/2 way across runway 30R and he asked us to make a left 270 degree turn on runway into position and hold for departure. Nothing more was said, but we knew we had incurred the runway and I expressed my misunderstanding and no other indication was made by the tower except that we were cleared for takeoff and a very courteous handoff to departure. We did not pursue the situation as we would if the tower had indicated to do so. My assumption is that there were honest mistakes made all around and we should all learn a lesson from. Supplemental information from acn 542548: although familiar with the airport's runway and taxiway layout, we taxied to runway 30L rather than runway 30R. As I approached the hold line for runway 30R, I queried the PNF on the taxi instructions. At that point I should have confirmed with ground control before proceeding any further. This is now part of my personal SOP.

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Original NASA ASRS Text

Title: AN F900 CREW, TAXIING FOR TKOF AT SJC, INCURRED RWY 30R WITHOUT A CLRNC.

Narrative: OUR FLT PROFILE WAS A DEADHEAD FLT FROM SJC TO LAS. WE PREPARED FOR THE FLT WITHOUT ANY COMPLICATIONS AND I PLACED ONE OF OUR NEW TYPE RATED PLTS IN THE L SEAT AND I WAS TO BE THE PNF. WE DISCUSSED THE PROFILE AND CLRNC AND PROCEEDED THROUGH THE CHKLIST THROUGH ENG START. COMPLETING ALL REQUIRED ITEMS, WE CALLED FOR TAXI AND RECEIVED A CLRNC TO TAXI TO WHAT I BELIEVED WAS RWY 30L, WHICH I DID NOT QUESTION AS THE R HAD BEEN CLOSED FOR REPAIRS AND THIS WAS A COMMON CLRNC FROM THIS AREA OF THE ARPT. THE PF CONCURRED AND WE PROCEEDED TO TAXI AND THE CTLR CONFIRMED A FLOW TIME RESTR OF WHICH WE HAD NOT RECEIVED BUT HE INDICATED THAT IT DID NOT AFFECT OUR FLT. WITH THIS NEW DISTR, I CAN NOT FULLY CONCLUDE THE ISSUE OF THE TAXI CLRNC. I USUALLY WOULD CONFIRM THE XING OF A RWY REGARDLESS OF THE SIT, BUT I DID NOT THIS TIME. WE REACHED THE APCH END OF RWY 30R AND CONTINUED THE TAXI ACROSS THE END OF THE RWY AFTER CHKING FOR APCH TFC WITH THE PLAN OF HOLDING SHORT OF RWY 30L AS WE BELIEVED THE CLRNC TO BE. I CONTACTED THE TWR 1/2 WAY ACROSS RWY 30R AND HE ASKED US TO MAKE A L 270 DEG TURN ON RWY INTO POS AND HOLD FOR DEP. NOTHING MORE WAS SAID, BUT WE KNEW WE HAD INCURRED THE RWY AND I EXPRESSED MY MISUNDERSTANDING AND NO OTHER INDICATION WAS MADE BY THE TWR EXCEPT THAT WE WERE CLRED FOR TKOF AND A VERY COURTEOUS HDOF TO DEP. WE DID NOT PURSUE THE SIT AS WE WOULD IF THE TWR HAD INDICATED TO DO SO. MY ASSUMPTION IS THAT THERE WERE HONEST MISTAKES MADE ALL AROUND AND WE SHOULD ALL LEARN A LESSON FROM. SUPPLEMENTAL INFO FROM ACN 542548: ALTHOUGH FAMILIAR WITH THE ARPT'S RWY AND TXWY LAYOUT, WE TAXIED TO RWY 30L RATHER THAN RWY 30R. AS I APCHED THE HOLD LINE FOR RWY 30R, I QUERIED THE PNF ON THE TAXI INSTRUCTIONS. AT THAT POINT I SHOULD HAVE CONFIRMED WITH GND CTL BEFORE PROCEEDING ANY FURTHER. THIS IS NOW PART OF MY PERSONAL SOP.

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.