Narrative:

I had been cleared for a visual approach to runway 17R; the only active runway at pwa; and was on a long left base to the runway. The oklahoma city approach controller was also working an air force flight of 2 that were having difficulty understanding their clearance. I was at the point that I knew we should be talking to tower and was getting ready to verify with approach that we needed to switch. Approach said to contact tower. I switched and checked in with tower; using my call sign; letting them know that I was on a visual approach to 17R. Without using call sign or any other identifying remarks; tower instructions were to turn north and re-enter the pattern. I was not sure this was for me; so once again I used my call sign and asked for clarification. Again tower instructions did not include call sign or identification of any sort; and included a turn to 070 degrees; depart to the north and re-enter the pattern. My passenger in the right seat noticed a plane on right base to 17R. At this point I initiated a go-around that included an initial climbing turn to 070 and then a turn northbound. My TCAS never alerted me; and I suspect our miss distance was outside alert parameters; even if only slightly outside. Factors in this situation start with oklahoma city approach being distracted by the air force flight. They also include the late hand off to wiley post tower; and wiley post tower not using call sign when issuing instructions.

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Original NASA ASRS Text

Title: A King Air C90 on a visual approach to PWA confused instructions from the Tower after being transferred late from Approach Control.

Narrative: I had been cleared for a visual approach to Runway 17R; the only active runway at PWA; and was on a long left base to the runway. The Oklahoma City Approach Controller was also working an Air Force flight of 2 that were having difficulty understanding their clearance. I was at the point that I knew we should be talking to Tower and was getting ready to verify with Approach that we needed to switch. Approach said to contact Tower. I switched and checked in with Tower; using my call sign; letting them know that I was on a visual approach to 17R. Without using call sign or any other identifying remarks; Tower instructions were to turn north and re-enter the pattern. I was not sure this was for me; so once again I used my call sign and asked for clarification. Again Tower instructions did not include call sign or identification of any sort; and included a turn to 070 degrees; depart to the north and re-enter the pattern. My passenger in the right seat noticed a plane on right base to 17R. At this point I initiated a go-around that included an initial climbing turn to 070 and then a turn northbound. My TCAS never alerted me; and I suspect our miss distance was outside alert parameters; even if only slightly outside. Factors in this situation start with Oklahoma City Approach being distracted by the Air Force flight. They also include the late hand off to Wiley Post Tower; and Wiley Post Tower not using call sign when issuing instructions.

Data retrieved from NASA's ASRS site as of April 2012 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.