Guys, I see now that your information is correct. I jumped to conclusions too quick and on checking the picture in question you can see that it's quite possibly a 3 at the end of the number on WT945. For some reason I saw this as a 1.
]Click here for image
Edit: Notice that the fourth, partially hidden Skyraider, has a V on its tail. One can then assume that it was repainted? And that the code could possibly be 431?