Section 1311.74 - Service of copy of affidavit on owner(A) Any lien claimant who files an affidavit pursuant to section 1311.73 of the Revised Code shall serve to the owner of the aircraft that is subject to the lien, or to his agent, a copy of the affidavit within thirty days after filing the affidavit with the United States federal aviation administration. The lien claimant shall mail the copy of the affidavit by certified mail, or if the copy of the affidavit is returned as unclaimed, then by ordinary mail, to the address of the owner of the aircraft as last recorded with the United States federal aviation administration.(B) Failure of the owner to receive a copy of the affidavit shall not invalidate the lien if the lien claimant complies with division (A) of this section. Effective Date: 4/16/1993 .