If you have documents proving your 1/3 ownership, then he should not be able to sell it without your agreement. Your agreement with him should have included terms for your having access to use it and a buy/sell agreement for just this reason. You will have to sue or threaten suit for an injunction against his selling the plane. But make sure whatever terms you and he come up with are in writing, dated and signed by both of you.
Yes, but, hopefully, you some documentary proof of your investment and your 1/3 right in the aircraft. You should seek an injunction from the Oakland County Circuit Court if you believe the sale is imminent.