Exhibit 31.1
                                  ------------


                            CERTIFICATION PURSUANT TO
                    13A-14 OF SECURITIES EXCHANGE ACT 0F 1934
                             AS ADOPTED PURSUANT TO
                  SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002


         I, David Groen,  Chief Executive  Officer and Treasurer of the Company,
certify that:

         1. I have reviewed this annual report on Form 10-KSB of Groen  Brothers
Aviation, Inc.

         2. Based on my  knowledge,  this  annual  report  does not  contain any
untrue  statement of a material fact or omit to state a material fact  necessary
to make the  statements  made,  in light of the  circumstances  under which such
statements  were made, not misleading with respect to the period covered by this
annual report.

         3. Based on my knowledge, the financial statements, and other financial
information  included  in this annual  report,  fairly  present in all  material
respects the financial  condition,  results of operations  and cash flows of the
registrant as of, and for, the periods presented in this annual report.

         4. The registrant's other certifying officers and I are responsible for
establishing and maintaining  disclosure  controls and procedures (as defined in
Exchange Act Rules 13a-14 and 15d-14) for the registrant and have:

         a)   designed such  disclosure  controls and  procedures to ensure that
              material  information  relating to the  registrant,  including its
              consolidated  subsidiaries,  is made known to us by others  within
              those  entities,  particularly  during  the  period in which  this
              annual report is being prepared;

         b)   evaluated  the   effectiveness  of  the  registrant's   disclosure
              controls and  procedures  as of a date within 90 days prior to the
              filing date of this annual report (the "Evaluation Date"); and

         c)   presented  in  this  annual  report  our  conclusions   about  the
              effectiveness  of the disclosure  controls and procedures based on
              our evaluation as of the Evaluation Date;

         5. The  registrant's  other  certifying  officers and I have disclosed,
based on our most recent evaluation,  to the registrant's auditors and the audit
committee  of  registrant's  board  of  directors  (or  persons  performing  the
equivalent functions):

         a)   all  significant  deficiencies  in  the  design  or  operation  of
              internal  controls which could adversely  affect the  registrant's
              ability to record,  process,  summarize and report  financial data
              and have  identified  for the  registrant's  auditors any material
              weaknesses in internal controls; and

         b)   any fraud,  whether or not material,  that involves  management or
              other  employees who have a significant  role in the  registrant's
              internal controls.


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         6. The registrant's  other certifying  officers and I have indicated in
this annual  report  whether or not there were  significant  changes in internal
controls or in other factors that could  significantly  affect internal controls
subsequent to the date of our most recent  evaluation,  including any corrective
actions with regard to significant deficiencies and material weaknesses.



 /s/David Groen
---------------
David Groen
President, Chief Executive Officer and Treasurer
(Principal Executive & Financial Officer)
October 14, 2003