it isn't practical, and it's a stupid optics move
"The plane will initially be transferred to the United States Air Force, which will modify the 13-year-old aircraft to meet the U.S. military specifications required for any aircraft used to transport the president of the United States, multiple sources familiar with the proposed arrangement said."
https://abcnews.go.com/Politics/trump-administration-poised-accept-palace-sky-gift-trump/story?id=121680511