Indiana Code Title 8. Utilities and Transportation § 8-21-3-10

Sec. 10. (a) Proof of financial responsibility may be made by filing with the department the written certificate or certificates of any insurance carrier certifying that it has issued to or for the benefit of the person furnishing such proof and named as the insured or additional insured, an aircraft liability policy or policies meeting the requirements of this chapter, and such other information as the department may require.

(b) When the person required to give proof of financial responsibility, is not the owner of an aircraft, then an operator's policy of liability insurance as defined in this chapter shall be sufficient proof of financial responsibility.