So a friend of mine showed me a bug where you can make your Depleted-Kyparium Rocket look like a 3 seater mount
He said all you needed to do was mount your grand expedition yak mount then quickly jump on to your rocket but this only works if you can get the Oil baron buff
I Thought he was just pulling my leg till i went a tried it myself and here was the results
Now it took me a few attempts but i cant believe it actually worked though it seems you cant actually let any passengers ride it