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): October 1, 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 5. Other Events On October 1, 2003, the Company entered into a Fifth Amendment to Amended and Restated Credit Agreement ("Amendment") with National City Bank, as agent, and National City Bank, and California Bank & Trust, as lenders. The Amendment, effective as of August 28, 2003, clarifies a provision in the Credit Agreement relating to the net worth financial covenant. Exhibits Exhibit 10.1 Form of Fifth Amendment to Amended and Restated Credit Agreement 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: October 1, 2003 AEROCENTURY CORP. By: /s/ Toni M. Perazzo Toni M. Perazzo Sr. Vice President, Finance