Pub. L. 85-726, tit. XIII, sec. 1311
Insurance of Excess With Other Underwriters
Insurance of Excess With Other Underwriters Sec. 1311. A person having an insurable interest in an aircraft may, with the approval of the Secretary, insure with other underwriters in an amount in excess of the amount insured with the Secretary, and, in that event, the Secretary shall not be entitled to the benefit of such insurance, but nothing in this section shall prevent the Secretary from entering into contracts of coinsurance.