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): December 23, 2003 ----------------------------- Aero Systems Engineering, Inc. -------------------------------------------------------------------------------- (Exact name of registrant as specified in its charter) Minnesota 0-7390 41-0913117 -------------------------------------------------------------------------------- (State or other jurisdiction (Commission (I.R.S. Employer of incorporation) File Number) Identification No.) 358 E. Fillmore Avenue, St. Paul, Minnesota 55107 -------------------------------------------------------------------------------- (Address of principal executive offices) (Zip Code) Registrant's telephone number, including area code: (651) 227-7515 --------------------------- Not applicable. -------------------------------------------------------------------------------- (Former name or former address, if changed since last report.) AERO SYSTEMS ENGINEERING, INC. INDEX TO CURRENT REPORT ON FORM 8-K Item Number Page ----------- ---- Item 5. Other Events. 3 Item 7. Exhibits. 3 Signatures. 3 Exhibits Index. 4 (The remainder of this page was intentionally left blank.) 2 ITEM 5. OTHER EVENTS. On December 23, 2003 Aero Systems Engineering, Inc. issued a press release announcing the filing of a Form 15 to terminate the registration of its common stock under the Securities and Exchange Act of 1934. A copy of the press release is filed as an exhibit to this Current Report on Form 8-K and is incorporated herein by reference. 99.1 Press Release Dated December 23, 2003 ITEM 7. EXHIBITS. Exhibit Number Description -------------- ----------- 99.1 Press Release Dated December 23, 2003 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 hereunto duly authorized. Dated: December 23, 2003 Aero Systems Engineering, Inc. By: /s/ Steven R. Hedberg ------------------------------ Steven R. Hedberg CFO, Secretary & Treasurer 3 EXHIBIT INDEX Exhibit Number Description -------------- ----------- 99.1 Press Release Dated December 23, 2003 4