content: 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): February 25, 2004
  
  
                              SONEX RESEARCH, INC.
                (Exact name of registrant as specified in Charter)
  
  
           Maryland                  0-14465                52-1188993
        (State or other           (Commision file         (IRS employer
        jurisdiction of               number)           identification no.)
         incorporation)
  
  
  
                      23 Hudson Street, Annapolis, MD 21401
                     (Address of principal executive offices)
  
  
                                (410) 266-5556
               (Registrant's telephone number, including area code)
  
  
                                      N/A
           (Former name or former address, if changed since last report)
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  ITEM 5. - OTHER EVENTS AND REGULATION FD DISCLOSURE
  
  
  On February 25, 2004, the Registrant issued the following  announcement over the
  newswire and posted it on its website (www.sonexresearch.com):
  
  
  
                          SONEX HIRES PRESIDENT
  
  ANNAPOLIS,  MARYLAND, February 25, 2004 - SONEX RESEARCH, INC. (OTC BB: SONX), a
  leader in the field of clean burn combustion technology,  announced it has hired
  Mr. Roger D. Posey to fill its vacant President position.
  
  Prior to joining Sonex,  Mr. Posey held  management and  operational  leadership
  positions with CSX Transportation,  Inc., Noise Cancellation  Technologies Inc.,
  and Tenneco  Automotive Inc.  throughout his 30 years in the  marketplace.  More
  recently  Mr.  Posey  personally  directed a  successful  turnaround  of a large
  privately held metals  manufacturing  company which realized exponential growth.
  In addition, Mr. Posey has considerable experience in bringing technology to the
  commercial marketplace.
  
  Mr. Posey holds a B.S. degree from the University of Maryland. He is a member of
  a number of  professional  organizations,  including the  Acoustical  Society of
  America,  Institute of Noise  Control  Engineers,  American  Industrial  Hygiene
  Association,  among  others;  further,  he has  written  and  published  several
  technical articles, presented within the U.S. and throughout the World.
  
  "I feel fortunate to take on this leadership  responsibility at an exciting time
  for Sonex,"  said Mr.  Posey.  "Our  management  team will  undertake a diligent
  effort to place focus on bringing new products to the world  marketplace,  while
  fulfilling our current contract base".
  
  "We are delighted to have Roger join Sonex as our President", said Dr. Andrew A.
  Pouring,  CEO and founder of Sonex.  "Roger  brings a wealth of  management  and
  industry turnaround  experience to Sonex and with his efforts we look forward to
  profitable growth as we continue to provide products to the marketplace.  At our
  2003 Shareholder Meeting in September,  we announced the Company was focusing on
  business re-positioning,  strengthening its internal capabilities,  and planning
  for growth.  Roger will play a major role in the  continuing  implementation  of
  this strategy."
  
  
  Contact:  George E. Ponticas,  CFO. Tel: 410-266-5556;  email:  sonex@erols.com;
  website www.sonexresearch.com
  
  
  
  About Sonex
  
  Sonex  Research,  Inc.,  a leader  in the  field of  combustion  technology,  is
  developing its patented Sonex Combustion  System (SCS)  piston-based  technology
  for in-cylinder  control of ignition and  combustion,  designed to increase fuel
  mileage and reduce  emissions  of internal  combustion  engines.  Sonex plans to
  complete  development,  commercialize  and  market  its  Sonex  Controlled  Auto
  Ignition (SCAI)  combustion  process to the automotive  industry to improve fuel
  efficiency of gasoline powered vehicles in response to forthcoming  increases in
  national vehicle fuel mileage standards.  Additionally,  independent third-party
  testing has confirmed the potential of the SCS application  for  direct-injected
  diesel  engines to reduce  harmful  soot  in-cylinder  without  increasing  fuel
  consumption.  Other SCS  designs are being used to convert  gasoline  engines of
  various sizes to operate on safer, diesel-type "heavy fuels" for use in military
  and commercial applications requiring light weight and safe handling and storage
  of fuel, such as in UAVs (unmanned aerial vehicles).
  
  
  Caution Regarding Forward-Looking Statements
  
  "Forward-looking"  statements  contained  in this  announcement,  as well as all
  publicly disseminated material about the Company, are made pursuant to the "safe
  harbor" provisions of the Private Securities Litigation Act. Such statements are
  based  on  current  expectations,  estimates,  projections  and  assumptions  by
  management  with respect to matters  such as  commercial  acceptance  of the SCS
  technology, the impact of competition,  and the Company's financial condition or
  results of  operations.  Readers  are  cautioned  that such  statements  are not
  guarantees of future  performance and involve risks and uncertainties that could
  cause  actual  results to differ  materially  from those  expressed  in any such
  forward-looking statements.  Additional information regarding the risks faced by
  Sonex is provided in the  Company's  periodic  filings with the  Securities  and
  Exchange Commission under the heading "Risk Factors". Such filings are available
  upon request from the Company or online in the EDGAR database at www.sec.gov.
  
  
                                   ###
  
  
  
  
  
  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.
  
  
  February 25, 2004
  
  SONEX RESEARCH, INC.
  Registrant
  
  
  /s/ George E. Ponticas
  ----------------------
  George E. Ponticas
  Chief Financial Officer
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text: 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): February 25, 2004
  
                              SONEX RESEARCH, INC.
                (Exact name of registrant as specified in Charter)
  
           Maryland                  0-14465                52-1188993
        (State or other           (Commision file         (IRS employer
        jurisdiction of               number)           identification no.)
         incorporation)
  
                      23 Hudson Street, Annapolis, MD 21401
                     (Address of principal executive offices)
  
                                (410) 266-5556
               (Registrant's telephone number, including area code)
  
                                      N/A
           (Former name or former address, if changed since last report)
  
  ITEM 5. - OTHER EVENTS AND REGULATION FD DISCLOSURE
  
  On February 25, 2004, the Registrant issued the following  announcement over the
  newswire and posted it on its website (www.sonexresearch.com):
  
                          SONEX HIRES PRESIDENT
  
  ANNAPOLIS,  MARYLAND, February 25, 2004 - SONEX RESEARCH, INC. (OTC BB: SONX), a
  leader in the field of clean burn combustion technology,  announced it has hired
  Mr. Roger D. Posey to fill its vacant President position.
  
  Prior to joining Sonex,  Mr. Posey held  management and  operational  leadership
  positions with CSX Transportation,  Inc., Noise Cancellation  Technologies Inc.,
  and Tenneco  Automotive Inc.  throughout his 30 years in the  marketplace.  More
  recently  Mr.  Posey  personally  directed a  successful  turnaround  of a large
  privately held metals  manufacturing  company which realized exponential growth.
  In addition, Mr. Posey has considerable experience in bringing technology to the
  commercial marketplace.
  
  Mr. Posey holds a B.S. degree from the University of Maryland. He is a member of
  a number of  professional  organizations,  including the  Acoustical  Society of
  America,  Institute of Noise  Control  Engineers,  American  Industrial  Hygiene
  Association,  among  others;  further,  he has  written  and  published  several
  technical articles, presented within the U.S. and throughout the World.
  
  "I feel fortunate to take on this leadership  responsibility at an exciting time
  for Sonex,"  said Mr.  Posey.  "Our  management  team will  undertake a diligent
  effort to place focus on bringing new products to the world  marketplace,  while
  fulfilling our current contract base".
  
  "We are delighted to have Roger join Sonex as our President", said Dr. Andrew A.
  Pouring,  CEO and founder of Sonex.  "Roger  brings a wealth of  management  and
  industry turnaround  experience to Sonex and with his efforts we look forward to
  profitable growth as we continue to provide products to the marketplace.  At our
  2003 Shareholder Meeting in September,  we announced the Company was focusing on
  business re-positioning,  strengthening its internal capabilities,  and planning
  for growth.  Roger will play a major role in the  continuing  implementation  of
  this strategy."
  
  Contact:  George E. Ponticas,  CFO. Tel: 410-266-5556;  email:  sonex@erols.com;
  website www.sonexresearch.com
  
  About Sonex
  
  Sonex  Research,  Inc.,  a leader  in the  field of  combustion  technology,  is
  developing its patented Sonex Combustion  System (SCS)  piston-based  technology
  for in-cylinder  control of ignition and  combustion,  designed to increase fuel
  mileage and reduce  emissions  of internal  combustion  engines.  Sonex plans to
  complete  development,  commercialize  and  market  its  Sonex  Controlled  Auto
  Ignition (SCAI)  combustion  process to the automotive  industry to improve fuel
  efficiency of gasoline powered vehicles in response to forthcoming  increases in
  national vehicle fuel mileage standards.  Additionally,  independent third-party
  testing has confirmed the potential of the SCS application  for  direct-injected
  diesel  engines to reduce  harmful  soot  in-cylinder  without  increasing  fuel
  consumption.  Other SCS  designs are being used to convert  gasoline  engines of
  various sizes to operate on safer, diesel-type "heavy fuels" for use in military
  and commercial applications requiring light weight and safe handling and storage
  of fuel, such as in UAVs (unmanned aerial vehicles).
  
  Caution Regarding Forward-Looking Statements
  
  "Forward-looking"  statements  contained  in this  announcement,  as well as all
  publicly disseminated material about the Company, are made pursuant to the "safe
  harbor" provisions of the Private Securities Litigation Act. Such statements are
  based  on  current  expectations,  estimates,  projections  and  assumptions  by
  management  with respect to matters  such as  commercial  acceptance  of the SCS
  technology, the impact of competition,  and the Company's financial condition or
  results of  operations.  Readers  are  cautioned  that such  statements  are not
  guarantees of future  performance and involve risks and uncertainties that could
  cause  actual  results to differ  materially  from those  expressed  in any such
  forward-looking statements.  Additional information regarding the risks faced by
  Sonex is provided in the  Company's  periodic  filings with the  Securities  and
  Exchange Commission under the heading "Risk Factors". Such filings are available
  upon request from the Company or online in the EDGAR database at www.sec.gov.
  
                                   ###
  
  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.
  
  February 25, 2004
  
  SONEX RESEARCH, INC.
  Registrant
  
  /s/ George E. Ponticas
  ----------------------
  George E. Ponticas
  Chief Financial Officer