AVTN is obviously a desirable short 4 letter domain name.
AVTN is also an abbreviation for aviation, making it useful as a short cut to a larger (and longer) aviation website.
Perhaps, in the way AV Fuel is discussed, one could look at using AVTN for registries of aircraft tail numbers (e.g., AV Tail Numbers). Perhaps.
Please be sure to also look at our listings for AVTN.Com and AVTN.Org