Originally Posted by Gator Gal
I just took another look at the site I mentioned and found there's some REALLY specific info, such as:
"Inquire as to the aircraft type planned for the route. McDonnell Douglas aircraft, including the MD80, DC9, and the DC10 will not accommodate 500-size crates. These crates should fit on Boeing aircraft, including the 727, 737, 747, 757, 767, and 777."
I hope this helps!

No way does a 30 lb. dog need to go into a 500-size crate! That would have to be one tall, skinny dog!