content: FORM 4
                                               _________________________________
  [ ]Check this box if no longer subject       |         OMB APPROVAL           |
     to Section 16.  Form 4 or Form 5          _________________________________
     obligations may continue.  See            | OMB Number:       3235-0287    |
     Instruction 1(b).                         | Expires:   September 30, 1998  |
                                               | Estimated average burden       |
                                               | hours per response........0.5  |
                                               _________________________________
  
                  UNITED STATES SECURITIES AND EXCHANGE COMMISSION
                               WASHINGTON, D.C. 20549
  
                    STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP
  
       Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
         Section 17(a) of the Public Utility Holding Company Act of 1935 or
                Section 30(f) of the Investment Company Act of 1940
  
  (Print or Type Responsdes)
  --------------------------------------------------------------------------------
  1.  Name and Address of Reporting Person*
  
       Leason, Hayden
  --------------------------------------------------------------------------------
  (Last)                   (First)                  (Middle)
  
       541 Kenosha Avenue
  --------------------------------------------------------------------------------
                           (Street)
  
       Walworth, WI  53187
  --------------------------------------------------------------------------------
  (City)                   (State)                  (Zip)
  --------------------------------------------------------------------------------
  2.  Issuer Name and Ticker or Trading Symbol
  
       Advanced Photonix, Inc.
  --------------------------------------------------------------------------------
  3.  IRS or Social Security Number of Reporting Person (Voluntary)
  
  --------------------------------------------------------------------------------
  4.  Statement for Month/Year
  
       December/1999
  --------------------------------------------------------------------------------
  5.  If Amendment, Date of Original (Month/Year)
  
  --------------------------------------------------------------------------------
  6.  Relationship of Reporting Person(s) to Issuer
      (Check all applicable)
      [x] Director                   [x] 10% Owner
      [x] Officer (give title below) [ ] Other (specify below)
  
      Chairman
      --------
  --------------------------------------------------------------------------------
  7.  Individual or Joint/Group Filing (Check Applicable Line)
      [x] Form filed by One Reporting Person
      [ ] Form filed by More than One Reporting Person
  --------------------------------------------------------------------------------
  
  <TABLE>
  <CAPTION>
                           TABLE I -- NON-DERIVATIVE SECURITIES ACQUIRED, DISPOSED OF, OR BENEFICIALLY OWNED
  ------------------------------------------------------------------------------------------------------------------------------------
                                                                                        5. Amount of       6. Owner-    7. Nature
                                                                                           Securities         ship         of In-
                           2. Trans-      3. Trans-       4. Securities Acquired (A)       Beneficially       Form:        direct
                              action         action          or Disposed of (D)            Owned at           Direct       Bene-
                              Date           Code            (Instr. 3, 4, and 5)          End of             (D) or       ficial
  1.  Title of Security       (Month/     (Instr. 8)      --------------------------       Month              Indirect     Owner-
       (Instr. 3)              Day/       ----------      Amount    (A) or     Price       (Instr.            (I)          ship
                               Year)      Code    V                 (D)                    3 and 4)           (Instr.4)    (Instr.4)
  ------------------------------------------------------------------------------------------------------------------------------------
  <S>                      <C>            <C>    <C>      <C>       <C>        <C>      <C>                <C>           <C>
  
  Class A Common Stock     11/3/99        P               100,000   A          .4375    2,404,100          D
  ------------------------------------------------------------------------------------------------------------------------------------
  
  ------------------------------------------------------------------------------------------------------------------------------------
  
  ------------------------------------------------------------------------------------------------------------------------------------
  
  ------------------------------------------------------------------------------------------------------------------------------------
  
  Reminder:  Report on a separate line for each class of securities beneficially owned directly or indirectly.
  * If the form is filed by more than one person, see Instruction 4 (b)(v).
  </TABLE>
  <PAGE>
  
  FORM 4 (continued)
  <TABLE>
                             TABLE II -- Derivative Securities Acquired, Disposed of, or Beneficially Owned
                                     (e.g. puts, calls, warrants, options, convertible securities)
  ------------------------------------------------------------------------------------------------------------------------------------
     1.          2.       3.          4.         5.            6.               7.            8.        9.           10      11.
  ------------------------------------------------------------------------------------------------------------------------------------
                                                                            Title and                            Ownership
                                              Number of    Date Exer-       Amount of                            Form
                                              Derivative   cisable and      Underlying               Number of   of De-     Na-
                                              Securities   Expiration       Securities      Price    Derivative  rivative   ture
              Conver-               Trans-    Acquired (A) Date (Month/     (Instr. 3       of       Securities  Secu-      of In-
              sion or   Trans-      action    or Disposed   Day/Year           and 4)       Deriv-   Benefi-     rity:      direct
              Exercise  action      Code      of (D)       -------------   --------------   ative    cially      Direct     Bene-
  Title of    Price of  Date        (Instr.   (Instr. 3,   Date                   Amount    Secur-   Owned at    (D) or     ficial
  Derivative  Deriv-    (Month/     8)        4, and 5)    Exer-  Expir-          or Num-   ity      End of      Indi-      Own-
  Security    ative     Day/       --------   ---------     cis-   ation           ber of    (Instr.  Month       rect (I)  ership
  (Instr. 3)  Security  Year)      Code   V   (A)   (D)     able   Date     Title  Shares    5)       (Instr.4)  (Instr.4)  (Instr.4)
  ------------------------------------------------------------------------------------------------------------------------------------
  <S>         <C>       <C>        <C>    <C> <C>   <C>    <C>    <C>       <C>   <C>       <C>      <C>         <C>        <C>
  ------------------------------------------------------------------------------------------------------------------------------------
  
  ------------------------------------------------------------------------------------------------------------------------------------
  
  ------------------------------------------------------------------------------------------------------------------------------------
  
  ------------------------------------------------------------------------------------------------------------------------------------
  
  </TABLE>
  Explanation of Responses:
  
  
  
  
  
  /s/ Hayden Leason                                        12/3/99
  -------------------                                    ------------
  **Signature of Reporting Person                           Date
  
  **Intentional misstatements or omissions of facts constitute Federal Criminal
    Violations.  See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
  
  Note:  File three copies of this Form, one of which must be manually signed.
         If space provided is insufficient, see Instruction 6 for procedure.
  
  
  Potential persons who are to respond to the collection of information  contained
  in this form are not  required to respond  unless the form  displays a currently
  valid OMB Number.
metadata_documents: [{"type": "144", "sequence": "1", "description": "FORM 4", "secsgml_size_bytes": 8736}]
text: FORM 4
                                               _________________________________
  [ ]Check this box if no longer subject       |         OMB APPROVAL           |
     to Section 16.  Form 4 or Form 5          _________________________________
     obligations may continue.  See            | OMB Number:       3235-0287    |
     Instruction 1(b).                         | Expires:   September 30, 1998  |
                                               | Estimated average burden       |
                                               | hours per response........0.5  |
                                               _________________________________
  
                  UNITED STATES SECURITIES AND EXCHANGE COMMISSION
                               WASHINGTON, D.C. 20549
  
                    STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP
  
       Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
         Section 17(a) of the Public Utility Holding Company Act of 1935 or
                Section 30(f) of the Investment Company Act of 1940
  
  (Print or Type Responsdes)
  --------------------------------------------------------------------------------
  1.  Name and Address of Reporting Person*
  
       Leason, Hayden
  --------------------------------------------------------------------------------
  (Last)                   (First)                  (Middle)
  
       541 Kenosha Avenue
  --------------------------------------------------------------------------------
                           (Street)
  
       Walworth, WI  53187
  --------------------------------------------------------------------------------
  (City)                   (State)                  (Zip)
  --------------------------------------------------------------------------------
  2.  Issuer Name and Ticker or Trading Symbol
  
       Advanced Photonix, Inc.
  --------------------------------------------------------------------------------
  3.  IRS or Social Security Number of Reporting Person (Voluntary)
  
  --------------------------------------------------------------------------------
  4.  Statement for Month/Year
  
       December/1999
  --------------------------------------------------------------------------------
  5.  If Amendment, Date of Original (Month/Year)
  
  --------------------------------------------------------------------------------
  6.  Relationship of Reporting Person(s) to Issuer
      (Check all applicable)
      [x] Director                   [x] 10% Owner
      [x] Officer (give title below) [ ] Other (specify below)
  
      Chairman
      --------
  --------------------------------------------------------------------------------
  7.  Individual or Joint/Group Filing (Check Applicable Line)
      [x] Form filed by One Reporting Person
      [ ] Form filed by More than One Reporting Person
  --------------------------------------------------------------------------------
  TABLE I -- NON-DERIVATIVE SECURITIES ACQUIRED, DISPOSED OF, OR BENEFICIALLY OWNED
  ------------------------------------------------------------------------------------------------------------------------------------
                                                                                        5. Amount of       6. Owner-    7. Nature
                                                                                           Securities         ship         of In-
                           2. Trans-      3. Trans-       4. Securities Acquired (A)       Beneficially       Form:        direct
                              action         action          or Disposed of (D)            Owned at           Direct       Bene-
                              Date           Code            (Instr. 3, 4, and 5)          End of             (D) or       ficial
  1.  Title of Security       (Month/     (Instr. 8)      --------------------------       Month              Indirect     Owner-
       (Instr. 3)              Day/       ----------      Amount    (A) or     Price       (Instr.            (I)          ship
                               Year)      Code    V                 (D)                    3 and 4)           (Instr.4)    (Instr.4)
  ------------------------------------------------------------------------------------------------------------------------------------
  Class A Common Stock     11/3/99        P               100,000   A          .4375    2,404,100          D
  ------------------------------------------------------------------------------------------------------------------------------------
  
  ------------------------------------------------------------------------------------------------------------------------------------
  
  ------------------------------------------------------------------------------------------------------------------------------------
  
  ------------------------------------------------------------------------------------------------------------------------------------
  
  Reminder:  Report on a separate line for each class of securities beneficially owned directly or indirectly.
  * If the form is filed by more than one person, see Instruction 4 (b)(v).
  FORM 4 (continued)
  
                             TABLE II -- Derivative Securities Acquired, Disposed of, or Beneficially Owned
                                     (e.g. puts, calls, warrants, options, convertible securities)
  ------------------------------------------------------------------------------------------------------------------------------------
     1.          2.       3.          4.         5.            6.               7.            8.        9.           10      11.
  ------------------------------------------------------------------------------------------------------------------------------------
                                                                            Title and                            Ownership
                                              Number of    Date Exer-       Amount of                            Form
                                              Derivative   cisable and      Underlying               Number of   of De-     Na-
                                              Securities   Expiration       Securities      Price    Derivative  rivative   ture
              Conver-               Trans-    Acquired (A) Date (Month/     (Instr. 3       of       Securities  Secu-      of In-
              sion or   Trans-      action    or Disposed   Day/Year           and 4)       Deriv-   Benefi-     rity:      direct
              Exercise  action      Code      of (D)       -------------   --------------   ative    cially      Direct     Bene-
  Title of    Price of  Date        (Instr.   (Instr. 3,   Date                   Amount    Secur-   Owned at    (D) or     ficial
  Derivative  Deriv-    (Month/     8)        4, and 5)    Exer-  Expir-          or Num-   ity      End of      Indi-      Own-
  Security    ative     Day/       --------   ---------     cis-   ation           ber of    (Instr.  Month       rect (I)  ership
  (Instr. 3)  Security  Year)      Code   V   (A)   (D)     able   Date     Title  Shares    5)       (Instr.4)  (Instr.4)  (Instr.4)
  ------------------------------------------------------------------------------------------------------------------------------------
  ------------------------------------------------------------------------------------------------------------------------------------
  
  ------------------------------------------------------------------------------------------------------------------------------------
  
  ------------------------------------------------------------------------------------------------------------------------------------
  
  ------------------------------------------------------------------------------------------------------------------------------------
  Explanation of Responses:
  
  /s/ Hayden Leason                                        12/3/99
  -------------------                                    ------------
  **Signature of Reporting Person                           Date
  
  **Intentional misstatements or omissions of facts constitute Federal Criminal
    Violations.  See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
  
  Note:  File three copies of this Form, one of which must be manually signed.
         If space provided is insufficient, see Instruction 6 for procedure.
  
  Potential persons who are to respond to the collection of information  contained
  in this form are not  required to respond  unless the form  displays a currently
  valid OMB Number.