SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

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                                    FORM 8-K
                                 CURRENT REPORT


                     Pursuant to Section 13 or 15(d) of the
                         Securities Exchange Act of 1934

                 Date of Earliest Event Reported: March 30, 2004


                               LMI AEROSPACE, INC.
             (Exact Name of Registrant as Specified in Its Charter)


                                    Missouri
                 (State or Other Jurisdiction of Incorporation)


       0-24293                                           43-1309065
(Commission File Number)                    (I.R.S. Employer Identification No.)

3600 Mueller Road, St. Charles, Missouri                    63301
(Address of Principal Executive Offices)                  (Zip Code)


                                 (636) 946-6525
              (Registrant's Telephone Number, Including Area Code)


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Item 5.  Other Events.

         On March 30, 2004, LMI Aerospace, Inc. (the "Company") issued a press
release relating to (i) its entering into a 13th Amendment to Loan Agreement
with Union Planters Bank and describing the salient terms and provisions of the
13th Amendment to Loan Agreement and (ii) the filing by the Company of a Form
12(b)-25 with the Securities and Exchange Commission for a 15 day extension to
file its Annual Report on Form 10-K for the year 2003. A copy of the press
release is attached hereto as Exhibit 99.1.


Item 7.  Financial Statements and Exhibits

         (a) Not applicable

         (b) Not applicable

         (c) Exhibits

         Exhibit Number             Description

         10.1                       Thirteenth Amendment to Loan Agreement
         99.1                       Press release dated March 30, 2004







                                    SIGNATURE

         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 thereunto duly authorized.

Date:  March 30, 2004

                                    LMI AEROSPACE, INC.


                                    By: /s/ Lawrence E. Dickinson
                                       -----------------------------------
                                        Lawrence E. Dickinson
                                        Chief Financial Officer and Secretary