SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): July 30, 2003 AEROCENTURY CORP. (Exact name of Registrant as specified in its charter) DELAWARE 94-3263974 (State or other jurisdiction of (I.R.S. Employer incorporation or organization) Identification No.) 1440 Chapin Avenue, Suite 310 Burlingame, CA 94010 (Address of principal executive offices) (Zip Code) 650-340-1888 (Registrant's telephone number including area code) Not applicable (Former name and former address. if changed since last report) Item 12: Earnings Announcement On July 29, 2003, AeroCentury Corp. (the "Company") announced via press release the Company's preliminary results for its second quarter ended June 30, 2003. A copy of the Company's press release is attached hereto as Exhibit 99.1. This Form 8-K and the attached exhibit are provided under Item 12 of Form 8-K and are furnished to, but not filed with, the Securities and Exchange Commission. Exhibits Exhibit 99.1 7/29/2003 First Quarter Earnings Press Release SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned, thereto duly authorized. Date: July 29, 2003 AEROCENTURY CORP. By: /s/ Neal D. Crispin Neal D. Crispin, Chairman of the Board and President