Thank you for finding the ATC recording of the side step to 16C. It was interesting to note that no one pointed out the error on the ATC tape. Maybe it was on the next recording. I still don't understand why they landed on taxiway Tango. The Alaska flight after AS27 refused the side step offer from Seattle Tower. This should be a very important lesson for all of us, if your not sure, don't land. Go around and short it out. My point was, there could have been another aircraft on that taxiway, but there is a FBO on the end of Tango with a ramp of parked airplanes, equipment and people. As for the illuminated X's, I have seen them on that taxiway. Are there currently, I don't know. I'm senior enough to have the holidays off. Happy New Year!