I was once sitting at the holding point for R16 at a US airport, which was uncontrolled at that time of night, waiting for landing traffic. A Saab 340 from a big US commuter airline was diligently announcing he was downwind for 16, turning base for 16, finals for 16. With no traffic in sight on the 16 approach I was rather surprised to see the said Saab land on R34 and taxy to the ramp without a further word said!