Article 4
(1)
Any mortgage of an aircraft registered in the United Kingdom nationality register may be entered in the Register of Aircraft Mortgages kept by the Authority.
(2)
Applications to enter a mortgage in the Register shall be made to the Authority by or on behalf of the mortgagee in the form set out in Part I of Schedule 1 hereto, and shall be accompanied by a copy of the mortgage, which the applicant shall certify to be a true copy, and the appropriate charge.