Narrative:

Made visual approach to runway 2R at pdk -- returning from IFR training flight. During rollout, understood tower ATC to say 'make first available taxiway (taxiway D), cross runway 2L, remain on this frequency.' PIC acknowledged with only n-number. Made turnoff at taxiway D, taxied across departure end of runway 2L (runway 2L/20R), stopped at hold line at taxiway a and contacted ground control for permission to taxi to parking pad. At that time ground gave clearance for taxiing, and requested we call the tower by telephone. Called pdk tower and was advised that we had been instructed to hold short of runway 2L/20R. No excuse, but this is a prime example of: 1) incomplete tower instructions. 2) tower controller not requesting full readback (acknowledgement) from PIC. 3) lack of cockpit management, in as much as the CFI was handling the radios and did not assure PIC had fully understood the tower transmission. 4) as CFI, I acknowledge the issue and so instructed the PIC (pvts) in the postflt review. No conflict occurred. No operational departure or approach was in process on runway 2L/20R at this time.

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Original NASA ASRS Text

Title: PLT INSTRUCTOR ON AN INST TRAINING FLT FAILED TO HAVE TRAINEE HOLD SHORT OF RWY WHEN TAXIING OFF LNDG RWY AND XING THE PARALLEL RWY DUE TO MISUNDERSTANDING OF TWR LCL CTLR INSTRUCTIONS FOR LEAVING RWY. AFTER XING AND STOPPING FOR GND CTL TAXI INSTRUCTIONS, CTLR GAVE THEM TAXI TO PARKING INSTRUCTIONS AND REQUESTED THAT THEY CALL THE TWR.

Narrative: MADE VISUAL APCH TO RWY 2R AT PDK -- RETURNING FROM IFR TRAINING FLT. DURING ROLLOUT, UNDERSTOOD TWR ATC TO SAY 'MAKE FIRST AVAILABLE TXWY (TXWY D), CROSS RWY 2L, REMAIN ON THIS FREQ.' PIC ACKNOWLEDGED WITH ONLY N-NUMBER. MADE TURNOFF AT TXWY D, TAXIED ACROSS DEP END OF RWY 2L (RWY 2L/20R), STOPPED AT HOLD LINE AT TXWY A AND CONTACTED GND CTL FOR PERMISSION TO TAXI TO PARKING PAD. AT THAT TIME GND GAVE CLRNC FOR TAXIING, AND REQUESTED WE CALL THE TWR BY TELEPHONE. CALLED PDK TWR AND WAS ADVISED THAT WE HAD BEEN INSTRUCTED TO HOLD SHORT OF RWY 2L/20R. NO EXCUSE, BUT THIS IS A PRIME EXAMPLE OF: 1) INCOMPLETE TWR INSTRUCTIONS. 2) TWR CTLR NOT REQUESTING FULL READBACK (ACKNOWLEDGEMENT) FROM PIC. 3) LACK OF COCKPIT MGMNT, IN AS MUCH AS THE CFI WAS HANDLING THE RADIOS AND DID NOT ASSURE PIC HAD FULLY UNDERSTOOD THE TWR XMISSION. 4) AS CFI, I ACKNOWLEDGE THE ISSUE AND SO INSTRUCTED THE PIC (PVTS) IN THE POSTFLT REVIEW. NO CONFLICT OCCURRED. NO OPERATIONAL DEP OR APCH WAS IN PROCESS ON RWY 2L/20R AT THIS TIME.

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.