UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 2) CAPSTONE TURBINE CORPORATION (Name of Issuer) Common Stock (Title of Class of Securities) US 14067D1028 (CUSIP Number) December 31, 2005 (Date of Event Which Requires Filing of this Statement) |_| Rule 13d-1(b) |X| Rule 13d-1(c) |_| Rule 13d-1(d) SCHEDULE 13G - ------------------- ------------------ CUSIP No. US 14067D1028 Page 2 of 10 Pages - ------------------- ------------------ - -------------------------------------------------------------------------------- 1. NAME OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) Monarch Pointe Fund, Ltd. - -------------------------------------------------------------------------------- 2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) |_| (b) |X| - -------------------------------------------------------------------------------- 3. SEC USE ONLY - -------------------------------------------------------------------------------- 4. CITIZENSHIP OR PLACE OF ORGANIZATION British Virgin Islands - -------------------------------------------------------------------------------- NUMBER OF 5. SOLE VOTING POWER SHARES 0 ----------------------------------------------------------------- BENEFICIALLY 6. SHARED VOTING POWER OWNED BY 0 ----------------------------------------------------------------- EACH 7. SOLE DISPOSITIVE POWER REPORTING 0 ----------------------------------------------------------------- PERSON 8. SHARED DISPOSITIVE POWER WITH 0 - -------------------------------------------------------------------------------- 9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 0 - -------------------------------------------------------------------------------- 10. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* |-| - -------------------------------------------------------------------------------- 11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 0.00% - -------------------------------------------------------------------------------- 12. TYPE OF REPORTING PERSON* CO - -------------------------------------------------------------------------------- *SEE INSTRUCTIONS BEFORE FILLING OUT! SCHEDULE 13G - ----------------------- ------------------ CUSIP No. US 14067D1028 Page 3 of 10 Pages - ----------------------- ------------------ - -------------------------------------------------------------------------------- 1. NAME OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) M.A.G. Capital, LLC EIN: 300021359 - -------------------------------------------------------------------------------- 2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) |_| (b) |X| - -------------------------------------------------------------------------------- 3. SEC USE ONLY - -------------------------------------------------------------------------------- 4. CITIZENSHIP OR PLACE OF ORGANIZATION California - -------------------------------------------------------------------------------- 5. SOLE VOTING POWER NUMBER OF 0 SHARES ----------------------------------------------------------------- 6. SHARED VOTING POWER BENEFICIALLY 0 EACH ----------------------------------------------------------------- 7. SOLE DISPOSITIVE POWER REPORTING 0 PERSON ----------------------------------------------------------------- 8. SHARED DISPOSITIVE POWER WITH 0 - -------------------------------------------------------------------------------- 9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 0 - -------------------------------------------------------------------------------- 10. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* |-| - -------------------------------------------------------------------------------- 11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 0.00% - -------------------------------------------------------------------------------- 12. TYPE OF REPORTING PERSON* IA - -------------------------------------------------------------------------------- *SEE INSTRUCTIONS BEFORE FILLING OUT! SCHEDULE 13G - ----------------------- ------------------ CUSIP No. US 14067D1028 Page 4 of 10 Pages - ----------------------- ------------------ - -------------------------------------------------------------------------------- 1. NAME OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) David F. Firestone - -------------------------------------------------------------------------------- 2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) |_| (b) |X| - -------------------------------------------------------------------------------- 3. SEC USE ONLY - -------------------------------------------------------------------------------- 4. CITIZENSHIP OR PLACE OF ORGANIZATION USA - -------------------------------------------------------------------------------- 5. SOLE VOTING POWER NUMBER OF 0 ----------------------------------------------------------------- SHARES 6. SHARED VOTING POWER BENEFICIALLY 0 ----------------------------------------------------------------- EACH 7. SOLE DISPOSITIVE POWER REPORTING 0 ----------------------------------------------------------------- PERSON 8. SHARED DISPOSITIVE POWER WITH 0 - -------------------------------------------------------------------------------- 9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 0 - -------------------------------------------------------------------------------- 10. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* |-| - -------------------------------------------------------------------------------- 11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 0.00% - -------------------------------------------------------------------------------- 12. TYPE OF REPORTING PERSON* IN - -------------------------------------------------------------------------------- *SEE INSTRUCTIONS BEFORE FILLING OUT! SCHEDULE 13G - ----------------------- ------------------ CUSIP No. US 14067D1028 Page 5 of 10 Pages - ----------------------- ------------------ Item 1. Issuer. (a) The name of the issuer is Capstone Turbine Corporation (the "Issuer"). (b) The address of the Issuer's principal executive office is 21211 Nordhoff Street, Chatsworth, California 91311. Item 2. Reporting Person and Security. (a) Monarch Pointe Fund, Ltd. ("MPF") is a corporation organized under the laws of the British Virgin Islands. M.A.G. Capital, LLC ("MAG"), a California limited liability company, controls the investments of MPF. David F. Firestone is the Managing Member of MAG. MPF, MAG and David F. Firestone are referred to herein as the "Reporting Persons." (b) The business address of MPF is c/o Bank of Ireland Securities Services, Ltd., New Century House, International Financial Services Center, Mayor Street Lower, Dublin 1, Republic of Ireland. The business address of each of MAG and David F. Firestone is 555 S. Flower Street, Suite 4200, Los Angeles, CA 90071. (c) MPF is a corporation organized under the laws of the British Virgin Islands. MAG is a California limited liability company. (d) The title of the class of securities to which this statement relates is the common stock of the Issuer, par value $0.001 per share (the "Common Stock"). (e) The CUSIP number is US 14067D1028. Item 3. If This Statement is Filed Pursuant to Rule 13d-1(b) or 13d-2(b) or (c), Check Whether the Person Filing is a: (a) |_| Broker or dealer registered under Section 15 of the Act (15 U.S.C. 78o). (b) |_| Bank as defined in Section 3(a)(6) of the Act (15 U.S.C. 78c). (c) |_| Insurance company as defined in Section 3(a)(19) of the Act (15 U.S.C. 78c). (d) |_| Investment company registered under Section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8). (e) |_| An investment adviser in accordance with ss. 240.13d-1(b)(1)(ii)(E). (f) |_| An employee benefit plan or endowment fund in accordance with ss. 240.13d-1(b)(1)(ii)(F). SCHEDULE 13G - ------------------- ------------------ CUSIP No. 913586103 Page 6 of 10 Pages - ------------------- ------------------ (g) |_| A parent holding company or control person in accordance with ss. 240.13d-1(b)(1)(ii)(G). (h) |_| A savings association as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813). (i) |_| A church plan that is excluded from the definition of an investment company under Section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3). (j) |_| Group, in accordance with ss. 240.13d-1(b)(1)(ii)(J). Not Applicable. Item 4. Ownership. As of December 31, 2005, neither MPF, MAG nor David F. Firestone had beneficial ownership of any securities of the Issuer. SCHEDULE 13G - ------------------- ------------------ CUSIP No. 913586103 Page 7 of 10 Pages - ------------------- ------------------ Item 5. Ownership of Five Percent or Less of a Class. If this Schedule is being filed to report the fact that as of the date hereof the Reporting Person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following |X| Item 6. Ownership of More than Five Percent on Behalf of Another Person. Not Applicable. Item 7. Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on By the Parent Holding Company or Control Person. Not Applicable. Item 8. Identification and Classification of Members of the Group. Not Applicable. Item 9. Notice of Dissolution of Group. Not Applicable. Item 10. Certifications. By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect. SCHEDULE 13G - ------------------- ------------------ CUSIP No. 913586103 Page 8 of 10 Pages - ------------------- ------------------ SIGNATURE After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct. Dated: May 2, 2006 MONARCH POINTE FUND, LTD. By: /s/ Harry Aharonian ----------------------------------------- Harry Aharonian, Portfolio Manager Dated: May 2, 2006 M.A.G. CAPITAL, LLC By: /s/ Harry Aharonian ----------------------------------------- Harry Aharonian, Portfolio Manager Dated: May 2, 2006 /s/ David F. Firestone --------------------------------------------- David F. Firestone SCHEDULE 13G - ------------------- ------------------ CUSIP No. 913586103 Page 9 of 10 Pages - ------------------- ------------------ EXHIBIT INDEX Exhibit A Agreement of Joint Filing SCHEDULE 13G - ------------------- ------------------- CUSIP No. 913586103 Page 10 of 10 Pages - ------------------- ------------------- EXHIBIT A AGREEMENT OF JOINT FILING The undersigned hereby agree that they are filing jointly pursuant to Rule 13d-1 of the Securities Exchange Act of 1934 a report on Schedule 13G, containing the information required by Schedule 13G, for shares of the common stock of Capstone Turbine Corporation beneficially owned by Monarch Pointe Fund, Ltd., M.A.G. Capital, LLC and David F. Firestone and such other holdings as may be reported therein. DATED: May 2, 2006 MONARCH POINTE FUND, LTD. By: /s/ Harry Aharonian -------------------------------------- Harry Aharonian, Portfolio Manager M.A.G. CAPITAL, LLC By: /s/ Harry Aharonian -------------------------------------- Harry Aharonian, Portfolio Manager /s/ David F. Firestone - ------------------------------------------ David F. Firestone