[ExGeeEye]

That explains a great deal.

For a second there I thought I was looking at a P-51.

[rdcbn]

The AT-6 is derivative of the Swiss Pilatus PC-9. The PC-9 is modernized version of the the 1970’s vintage Pilatus PC-7.

The Pilatus PC-7 itself is 1950’s vintage Pilatus PC-3 which has been retrofitted with a turbo prop engine in place of the original 260 horsepower Lycoming piston engine so the design goes back a long, long way.

It's an excellent training aircraft but the basic airframe could be a bit too small to carry enough weaponry to be effective compared to Embraer Tucano, although it would be a better choice for the ISR role than the much larger Tucano