Miss. Code § 45-1-47
Notwithstanding any provision to the contrary that may be found in Section 61-13-1 et seq., the Department of Public Safety is hereby authorized to sell any or all of its fleet of aircraft and replace the same with aircraft more suited to the needs of the department. The proceeds from the sale of such aircraft shall be retained by the Department of Public Safety to be used by the department to offset the cost of replacement aircraft purchased by the department and shall not be transferred to the State General Fund. However, in the event there are any proceeds remaining after the purchase of the replacement aircraft, the department shall transfer the remaining amounts to the State General Fund. The department is authorized to escalate its budget to expend the proceeds from the sale of the aircraft in a manner consistent with authorization granted in this section.
Miss. Code § 45-1-47