Narrative:

Our aircraft was exiting north ramp of the frt facility with clearance to taxi to runway 19. With recent construction due to new runways at sdf. Txwys had changed several times in the last yr coming out of the frt facility. The north ramp flowed or continued into taxiway P with P2 (turnoff for runway 19) straight ahead. With calling for checklist and taxiing aircraft out of north ramp, aircraft continued onto P2 before captain recognized that a right turn was needed to make papa and that runway 19 was just ahead of aircraft. Captain stopped aircraft short of runway 19 and first officer notified ground that aircraft was on P2 and could not turn to reach papa. Aircraft held short of runway 19 while 3 other aircraft landed and 2 departure. Then ground cleared us to taxi north on runway 19 and right on foxtrot. The lack of markings and continuity of the concrete from the north ramp to taxiway papa combined with 02 directly ahead of the throat of the north ramp led to the confusion as to which piece of concrete was the taxiway. This incident occurred at a high workload with all 3 crew members performing separate tasks as the aircraft exited the ramp area. Callback conversation with reporter revealed the following information: the reporter flies the dc-8 freighter for a major package carrier. He was flying with a new captain that was on his second trip after IOE and was not used to taxiing the aircraft. The captain just goofed. There has been lots of new construction at sdf, and many txwys have been renamed. The taxiway labeled 'G' on the ASRS' commercial chart is now 'P.' ATCT sdf was not at all concerned with this error as there were no traffic conflicts.

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Original NASA ASRS Text

Title: NEW CONSTRUCTION AND TXWY MARKINGS AT SDF.

Narrative: OUR ACFT WAS EXITING N RAMP OF THE FRT FACILITY WITH CLRNC TO TAXI TO RWY 19. WITH RECENT CONSTRUCTION DUE TO NEW RWYS AT SDF. TXWYS HAD CHANGED SEVERAL TIMES IN THE LAST YR COMING OUT OF THE FRT FACILITY. THE N RAMP FLOWED OR CONTINUED INTO TXWY P WITH P2 (TURNOFF FOR RWY 19) STRAIGHT AHEAD. WITH CALLING FOR CHKLIST AND TAXIING ACFT OUT OF N RAMP, ACFT CONTINUED ONTO P2 BEFORE CAPT RECOGNIZED THAT A R TURN WAS NEEDED TO MAKE PAPA AND THAT RWY 19 WAS JUST AHEAD OF ACFT. CAPT STOPPED ACFT SHORT OF RWY 19 AND FO NOTIFIED GND THAT ACFT WAS ON P2 AND COULD NOT TURN TO REACH PAPA. ACFT HELD SHORT OF RWY 19 WHILE 3 OTHER ACFT LANDED AND 2 DEP. THEN GND CLRED US TO TAXI N ON RWY 19 AND R ON FOXTROT. THE LACK OF MARKINGS AND CONTINUITY OF THE CONCRETE FROM THE N RAMP TO TXWY PAPA COMBINED WITH 02 DIRECTLY AHEAD OF THE THROAT OF THE N RAMP LED TO THE CONFUSION AS TO WHICH PIECE OF CONCRETE WAS THE TXWY. THIS INCIDENT OCCURRED AT A HIGH WORKLOAD WITH ALL 3 CREW MEMBERS PERFORMING SEPARATE TASKS AS THE ACFT EXITED THE RAMP AREA. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: THE RPTR FLIES THE DC-8 FREIGHTER FOR A MAJOR PACKAGE CARRIER. HE WAS FLYING WITH A NEW CAPT THAT WAS ON HIS SECOND TRIP AFTER IOE AND WAS NOT USED TO TAXIING THE ACFT. THE CAPT JUST GOOFED. THERE HAS BEEN LOTS OF NEW CONSTRUCTION AT SDF, AND MANY TXWYS HAVE BEEN RENAMED. THE TXWY LABELED 'G' ON THE ASRS' COMMERCIAL CHART IS NOW 'P.' ATCT SDF WAS NOT AT ALL CONCERNED WITH THIS ERROR AS THERE WERE NO TFC CONFLICTS.

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.