(4) The interest in the vessel so sold, conveyed, or mortgaged; and
(5) The amount and date of maturity of the mortgage.
Subsection D.
(a) A valid mortgage which, at the time it is made includes the whole of any vessel of the United States of 200 gross tons and upwards, shall in addition have, in respect to such vessel and as of the date of the compliance with all the provisions of this subdivision, the preferred status given by the provisions of subsection M, if—
(1) The mortgage is indorsed upon the vessel's documents in accordance with the provisions of this section;
(2) The mortgage is recorded as provided in subsection C, together with the time and date when the mortgage is so indorsed;
(3) An affidavit is filed with the record of such mortgage to the effect that the mortgage is made in good faith and without any design to hinder, delay, or defraud any existing or future creditor of the mortgagor or any lienor of the mortgaged vessel;
(4) The mortgage does not stipulate that the mortgagee waives the preferred status thereof; and
(5) The mortgagee is a citizen of the United States.
(b) Any mortgage which complies in respect to any vessel with the conditions enumerated in this subsection is hereafter in this section called a "preferred mortgage" as to such vessel.