Narrative:

Air carrier X following an aircraft to runway 32 at pit. Our spacing was about 25 mi when we were cleared to land. The commuter ahead of us was cleared to exit the runway as quickly as possible. However, they were slow to exit and I decided to have the first officer execute a missed approach. As we were executing the missed approach, we were unable to communication with pit tower due to frequency congestion. Pit was using all 3 runways for takeoff and landing. The tower initiated contact by telling us to make a left turn over the tower and climb to 3000 ft. We answered and tower again continued to work other traffic tying up the radio. I asked 2 times for a specific heading and was unable to break through the radio congestion. We assumed the tower wanted a turn to enter downwind. This turn put us across the departure end of runway 28L, which had air carrier Y climbing out. I saw Y and directed the first officer to turn back right to parallel. We also had an aircraft climbing out on runway 28R. At this time, the tower gave us a north heading and then immediately followed with a south heading. We were not in a near miss situation but it could have become one. There is an inherent problem with using 2 parallel runway and an intersecting runway at the same time. A go around creates a potential dangerous situation, compounded by heavy radio congestion.

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Original NASA ASRS Text

Title: ACR X NON ADHERENCE TO ATC INSTRUCTIONS AFTER GAR HAD CONFLICT WITH Y.

Narrative: ACR X FOLLOWING AN ACFT TO RWY 32 AT PIT. OUR SPACING WAS ABOUT 25 MI WHEN WE WERE CLRED TO LAND. THE COMMUTER AHEAD OF US WAS CLRED TO EXIT THE RWY AS QUICKLY AS POSSIBLE. HOWEVER, THEY WERE SLOW TO EXIT AND I DECIDED TO HAVE THE FO EXECUTE A MISSED APCH. AS WE WERE EXECUTING THE MISSED APCH, WE WERE UNABLE TO COM WITH PIT TWR DUE TO FREQ CONGESTION. PIT WAS USING ALL 3 RWYS FOR TKOF AND LNDG. THE TWR INITIATED CONTACT BY TELLING US TO MAKE A L TURN OVER THE TWR AND CLB TO 3000 FT. WE ANSWERED AND TWR AGAIN CONTINUED TO WORK OTHER TFC TYING UP THE RADIO. I ASKED 2 TIMES FOR A SPECIFIC HDG AND WAS UNABLE TO BREAK THROUGH THE RADIO CONGESTION. WE ASSUMED THE TWR WANTED A TURN TO ENTER DOWNWIND. THIS TURN PUT US ACROSS THE DEP END OF RWY 28L, WHICH HAD ACR Y CLBING OUT. I SAW Y AND DIRECTED THE FO TO TURN BACK R TO PARALLEL. WE ALSO HAD AN ACFT CLBING OUT ON RWY 28R. AT THIS TIME, THE TWR GAVE US A N HDG AND THEN IMMEDIATELY FOLLOWED WITH A S HDG. WE WERE NOT IN A NEAR MISS SIT BUT IT COULD HAVE BECOME ONE. THERE IS AN INHERENT PROB WITH USING 2 PARALLEL RWY AND AN INTERSECTING RWY AT THE SAME TIME. A GAR CREATES A POTENTIAL DANGEROUS SIT, COMPOUNDED BY HVY RADIO CONGESTION.

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.