Narrative:

When preparing to depart luk my student called for taxi clearance. The clearance received was to taxi to runway 20R. No hold short instructions were given. My student taxied down taxiway alpha. Taxiway alpha crosses runway 20R approximately 1000' from the approach end. Then a left turn MST be executed on taxiway golf. This will lead to the end of the runway (20R). Because all I ever heard during my training indicated that I was cleared to the approach end of runway 20R, we started to cross the runway at the intersection with taxiway alpha. At this time we were told to stop by the tower. We immediately stopped, but we were across the hold short line. An aircraft was on final approach. After that landed we were cleared across the runway and informed that since the taxiway we were on crossed the runway we were cleared to, we were supposed to hold short at the intersection. I feel that this rule should be emphasized more during training. Furthermore, I feel that controller clrncs should be more specific, as I felt that I had been cleared to the active runway west/O any restrictions or limitations. It is my opinion that such ambiguity in policy and clearance instructions will lead to disaster at some point in the future. It should be understood that several people who were shown the airport diagram and given the exact clearance I received said that they would act in the same manner as I had. Not one of these pilots were aware that they had to hold short at the intersection between taxiway alpha and runway 20R. This indicates that very few people are aware of this rule. I feel that this represents a serious deficiency in an important area of aviation safety. If not corrected, I am sure that it will result in a serious accident.

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Original NASA ASRS Text

Title: GA SMA UNAUTH RWY ENTRY.

Narrative: WHEN PREPARING TO DEPART LUK MY STUDENT CALLED FOR TAXI CLRNC. THE CLRNC RECEIVED WAS TO TAXI TO RWY 20R. NO HOLD SHORT INSTRUCTIONS WERE GIVEN. MY STUDENT TAXIED DOWN TXWY ALPHA. TXWY ALPHA CROSSES RWY 20R APPROX 1000' FROM THE APCH END. THEN A LEFT TURN MST BE EXECUTED ON TXWY GOLF. THIS WILL LEAD TO THE END OF THE RWY (20R). BECAUSE ALL I EVER HEARD DURING MY TRNING INDICATED THAT I WAS CLRED TO THE APCH END OF RWY 20R, WE STARTED TO CROSS THE RWY AT THE INTXN WITH TXWY ALPHA. AT THIS TIME WE WERE TOLD TO STOP BY THE TWR. WE IMMEDIATELY STOPPED, BUT WE WERE ACROSS THE HOLD SHORT LINE. AN ACFT WAS ON FINAL APCH. AFTER THAT LANDED WE WERE CLRED ACROSS THE RWY AND INFORMED THAT SINCE THE TXWY WE WERE ON CROSSED THE RWY WE WERE CLRED TO, WE WERE SUPPOSED TO HOLD SHORT AT THE INTXN. I FEEL THAT THIS RULE SHOULD BE EMPHASIZED MORE DURING TRNING. FURTHERMORE, I FEEL THAT CTLR CLRNCS SHOULD BE MORE SPECIFIC, AS I FELT THAT I HAD BEEN CLRED TO THE ACTIVE RWY W/O ANY RESTRICTIONS OR LIMITATIONS. IT IS MY OPINION THAT SUCH AMBIGUITY IN POLICY AND CLRNC INSTRUCTIONS WILL LEAD TO DISASTER AT SOME POINT IN THE FUTURE. IT SHOULD BE UNDERSTOOD THAT SEVERAL PEOPLE WHO WERE SHOWN THE ARPT DIAGRAM AND GIVEN THE EXACT CLRNC I RECEIVED SAID THAT THEY WOULD ACT IN THE SAME MANNER AS I HAD. NOT ONE OF THESE PLTS WERE AWARE THAT THEY HAD TO HOLD SHORT AT THE INTXN BTWN TXWY ALPHA AND RWY 20R. THIS INDICATES THAT VERY FEW PEOPLE ARE AWARE OF THIS RULE. I FEEL THAT THIS REPRESENTS A SERIOUS DEFICIENCY IN AN IMPORTANT AREA OF AVIATION SAFETY. IF NOT CORRECTED, I AM SURE THAT IT WILL RESULT IN A SERIOUS ACCIDENT.

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.