UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                              Washington, DC 20549

                                  SCHEDULE 13G

                    Under the Securities Exchange Act of 1934
                               (Amendment No. 4)*


                                  ViaSat, Inc.
--------------------------------------------------------------------------------
                                (Name of Issuer)


                                  Common Stock
--------------------------------------------------------------------------------
                         (Title of Class of Securities)


                                    92552V100
--------------------------------------------------------------------------------
                                 (CUSIP Number)


                                December 31, 2012
--------------------------------------------------------------------------------
             (Date of Event which Requires Filing of this Statement)


Check the appropriate box to designate the rule pursuant to which this Schedule
                                   is filed:

|X|      Rule 13d-1(b)
| |      Rule 13d-1(c)
| |      Rule 13d-1(d)

* The remainder of this cover page shall be filled out for a reporting  person's
initial filing on this form with respect to the subject class of securities, and
for any  subsequent  amendment  containing  information  which  would  alter the
disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be deemed
to be "filed" for the purpose of Section 18 of the  Securities  Exchange  Act of
1934 ("Act") or otherwise  subject to the liabilities of that section of the Act
but  shall be  subject  to all other  provisions  of the Act  (however,  see the
Notes).
--------------------------------------------------------------------------------















                                SCHEDULE 13G
-------------------------                              -------------------------
CUSIP NO. 92552V100                                             Page 2 of 9
--------------------------------------------------------------------------------
    1.      NAMES OF REPORTING PERSONS
            I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

            FPR Partners, LLC
--------------------------------------------------------------------------------
    2.      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions)
                                                              (a) [ ]
                                                              (b) [ ]

--------------------------------------------------------------------------------
    3.      SEC USE ONLY


--------------------------------------------------------------------------------
    4.      CITIZENSHIP OR PLACE OF ORGANIZATION

            Delaware, United States
--------------------------------------------------------------------------------
                           5.      SOLE VOTING POWER

                                   5,982,286
        NUMBER OF      ---------------------------------------------------------
         SHARES            6.      SHARED VOTING POWER
       BENEFICIALLY
         OWNED BY                  0
          EACH         ---------------------------------------------------------
        REPORTING          7.      SOLE DISPOSITIVE POWER
       PERSON WITH:
                                   5,982,286
                       ---------------------------------------------------------
                           8.      SHARED DISPOSITIVE POWER

                                   0
--------------------------------------------------------------------------------
    9.      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

            5,982,286 (1)
--------------------------------------------------------------------------------
    10.     CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES
            CERTAIN SHARES (See Instructions)                     [ ]

--------------------------------------------------------------------------------
    11.     PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

            13.4% (2)
--------------------------------------------------------------------------------
    12.     TYPE OF REPORTING PERSON (See Instructions)

            IA
--------------------------------------------------------------------------------

(1) number of shares includes shares held directly by FPR Partners, LP (FPR LP)
    and reported on a Schedule 13G filed jointly by FPR LP and FPR LP's general
    partner, BART Partners, LLC, on January 4, 2013 pursuant to Rule 13d-1(c) of
    the Act.

(2) based on outstanding shares as of January 25, 2013


                                SCHEDULE 13G
-------------------------                              -------------------------
CUSIP NO. 92552V100                                             Page 3 of 9
--------------------------------------------------------------------------------
    1.      NAMES OF REPORTING PERSONS
            I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

            Andrew Raab
--------------------------------------------------------------------------------
    2.      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions)
                                                              (a) [ ]
                                                              (b) [ ]

--------------------------------------------------------------------------------
    3.      SEC USE ONLY


--------------------------------------------------------------------------------
    4.      CITIZENSHIP OR PLACE OF ORGANIZATION

            United States
--------------------------------------------------------------------------------
                           5.      SOLE VOTING POWER

                                   5,982,286
        NUMBER OF      ---------------------------------------------------------
         SHARES            6.      SHARED VOTING POWER
       BENEFICIALLY
         OWNED BY                  0
          EACH         ---------------------------------------------------------
        REPORTING          7.      SOLE DISPOSITIVE POWER
       PERSON WITH:
                                   5,982,286
                       ---------------------------------------------------------
                           8.      SHARED DISPOSITIVE POWER

                                   0
--------------------------------------------------------------------------------
    9.      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

            5,982,286 (1)
--------------------------------------------------------------------------------
    10.     CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES
            CERTAIN SHARES (See Instructions)                     [ ]

--------------------------------------------------------------------------------
    11.     PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

            13.4% (2)
--------------------------------------------------------------------------------
    12.     TYPE OF REPORTING PERSON (See Instructions)

            IN
--------------------------------------------------------------------------------

(1) number of shares includes shares held directly by FPR Partners, LP (FPR LP)
    and reported on a Schedule 13G filed jointly by FPR LP and FPR LP's general
    partner, BART Partners, LLC, on January 4, 2013 pursuant to Rule 13d-1(c) of
    the Act.

(2) based on outstanding shares as of January 25, 2013


                                SCHEDULE 13G
-------------------------                              -------------------------
CUSIP NO. 92552V100                                             Page 4 of 9
--------------------------------------------------------------------------------
    1.      NAMES OF REPORTING PERSONS
            I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

            Bob Peck
--------------------------------------------------------------------------------
    2.      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions)
                                                              (a) [ ]
                                                              (b) [ ]

--------------------------------------------------------------------------------
    3.      SEC USE ONLY


--------------------------------------------------------------------------------
    4.      CITIZENSHIP OR PLACE OF ORGANIZATION

            United States
--------------------------------------------------------------------------------
                           5.      SOLE VOTING POWER

                                   5,982,286
        NUMBER OF      ---------------------------------------------------------
         SHARES            6.      SHARED VOTING POWER
       BENEFICIALLY
         OWNED BY                  0
          EACH         ---------------------------------------------------------
        REPORTING          7.      SOLE DISPOSITIVE POWER
       PERSON WITH:
                                   5,982,286
                       ---------------------------------------------------------
                           8.      SHARED DISPOSITIVE POWER

                                   0
--------------------------------------------------------------------------------
    9.      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

            5,982,286 (1)
--------------------------------------------------------------------------------
    10.     CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES
            CERTAIN SHARES (See Instructions)                     [ ]

--------------------------------------------------------------------------------
    11.     PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

            13.4% (2)
--------------------------------------------------------------------------------
    12.     TYPE OF REPORTING PERSON (See Instructions)

            IN
--------------------------------------------------------------------------------

(1) number of shares includes shares held directly by FPR Partners, LP (FPR LP)
    and reported on a Schedule 13G filed jointly by FPR LP and FPR LP's general
    partner, BART Partners, LLC, on January 4, 2013 pursuant to Rule 13d-1(c) of
    the Act

(2) based on outstanding shares as of January 25, 2013


                                SCHEDULE 13G
-------------------------                              -------------------------
CUSIP NO. 92552V100                                             Page 5 of 9
--------------------------------------------------------------------------------
     This Amendment No. 4 to Schedule 13G relates to the Common Stock, par value
of $0.0001 per share (the "Common Stock") of ViaSat, Inc., a Delaware
corporation (the "Issuer"), which has its principal executive office at 6155 El
Camino Real, Carlsbad, CA 92009.  This Amendment No. 4 amends and supplements,
as set forth below, the initial Schedule 13G, filed January 9, 2012, the
Amendment No. 1 to Schedule 13G, filed February 29, 2012 by BART Partners, LLC,
the Amendment No. 2 to Schedule 13G, filed May 10, 2012 by FPR Partners, LLC,
and the Amendment No. 3 to Schedule 13G, filed November 13,2012 by FPR Partners,
LLC, relating to the Common Stock (collectively, the "Schedule 13G").


Item 1.  Issuer
         ------

        (a) Name of Issuer:
            --------------

            ViaSat, Inc.

        (b) Address of Issuer's Principal Executive Offices:
            -----------------------------------------------

            6155 El Camino Real
	    Carlsbad, CA 92009


Item 2.	 Identity And Background
         -----------------------

	(a) Name of Person Filing:
            ---------------------

            This Amendment No. 4 is jointly filed by and on behalf of FPR
	    Partners, LLC ("FPR"), Andrew Raab, and Bob Peck (collectively, the
	    "Reporting Persons").  The reported shares of Common Stock are held
	    directly by a limited liability company, FPR Partners, LP and certain
	    limited partnerships, collectively, the "Funds".  FPR is the general
	    partner of the limited liability company and acts as investment
	    manager to the remaining Funds and may be deemed to indirectly
	    beneficially own securities owned by the Funds.  Andrew Raab and Bob
	    Peck are the managing directors and managing members of FPR and may
	    be deemed indirectly beneficially own securities owned by FPR and
	    the Funds.  Each of the Reporting Persons declares that neither the
	    filing of this statement nor anything herein shall be construed as an
	    admission that such person is, for the purposes of Sections 13(d)
	    or 13(g) of the Securities and Exchange Act of 1934, the beneficial
	    owner of any of the securities covered by this statement.  The
	    agreement among the Reporting Persons relating to the joint filing
	    of this Schedule 13G is attached as Exhibit 99.1 hereto.


        (b) Address of Principal Business Office or, if none, Residence:
            -----------------------------------------------------------

	    The address of the principal office of each Reporting Person is
	    199 Fremont Street, Suite 2500, San Francisco, CA 94105-2261.



                                SCHEDULE 13G
-------------------------                              -------------------------
CUSIP NO. 92552V100                                             Page 6 of 9
--------------------------------------------------------------------------------

	(c) Citizenship:
            -----------

            FPR Partners, LLC is a limited liability company organized under
	    the laws of the State of Delaware.  Mr. Raab and Mr. Peck are
	    US citizens.

	(d) Title of Class of Securities:
            ----------------------------

	    Common Stock

	(e) CUSIP Number:
            ------------

	    92552V100


Item 3.  If this statement is filed pursuant to 240.13d-1(b) or
	 240.13d-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) [x] An investment adviser in accordance with
		240.13d-1(b)(1)(ii)(E);

	(f) [ ] An employee benefit plan or endowment fund in accordance
		with 240.13d-1(b)(1)(ii)(F);

	(g) [x] A parent holding company or control person in accordance
		with 240.13d-1(b)(1)(ii)(G);

	(h) [ ] A savings associations 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) [ ] A non-U.S. institution in accordance with
		240.13d-1(b)(1)(ii)(J);

	(k) [ ] Group, in accordance with 240.13d-1(b)(1)(ii)(K).
 (1) FPR is An investment advisor in accordance with 240.13d-1(b)(1)(ii)(E)
 (2) Mr. Raab and Mr. Peck are control persons of FPR in accordance with
     with 240.13d-1(b)(1)(ii)(G)

                                SCHEDULE 13G
-------------------------                              -------------------------
CUSIP NO. 92552V100                                             Page 7 of 9
--------------------------------------------------------------------------------

Item 4.  Ownership
         ---------

        Reporting Persons:

	(a) Amount beneficially owned: See Item 9 on the cover pages hereto.

	(b) Percent of class: See Item 11 on the cover pages hereto.

	(c) Number of shares as to which the person has:

		(i) Sole power to vote or to direct the vote:
			See Item 5 on the cover pages hereto.

		(ii) Shared power to vote or to direct the vote:
			See Item 6 on the cover pages hereto.

		(iii) Sole power to dispose or to direct the disposition of:
			See Item 7 on the cover pages hereto.

		(iv) Shared power to dispose or to direct the disposition of:
			See Item 8 on the cover pages hereto.



Item 5.  Ownership Of Five Percent Or Less Of a Class
         --------------------------------------------

         If this statement 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
5.0% of the class of securities, check the following [ ].


Item 6.  Ownership Of More Than Five Percent On Behalf Of Another Person
         ---------------------------------------------------------------

            Other persons are known to have the right to receive or the power to
	    direct the receipt of dividends from, or the proceeds from the sale
	    of, the securities covered by this statement.


Item 7.  Identification  And Classification Of The Subsidiary Which Acquired The
         -----------------------------------------------------------------------
         Security Being Reported On By The Parent Holding Company
         --------------------------------------------------------

         Not Applicable.


Item 8.  Identification And Classification Of Members Of The Group
         ---------------------------------------------------------

         Not Applicable.





                                SCHEDULE 13G
-------------------------                              -------------------------
CUSIP NO. 92552V100                                             Page 8 of 9
--------------------------------------------------------------------------------

Item 9.  Notice Of Dissolution Of Group
         ------------------------------

         Not Applicable.


Item 10. Certification
         -------------

         By signing below we certify that, to the best of our knowledge and
belief, the securities referred to above were acquired and are held in the
ordinary course of business and 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. 92552V100                                             Page 9 of 9
--------------------------------------------------------------------------------

                                   SIGNATURES
                                   ----------

         After  reasonable  inquiry and to the best of our knowledge and belief,
the  undersigned  certify that the  information  set forth in this  statement is
true, complete and correct.


Dated:  February 14, 2013


				        FPR Partners, LLC

					/s/ Siu Chiang
					-------------------------------------
               				Name: Siu Chiang
	       				Title: Chief Financial Officer


        				Andrew Raab

        				/s/ Siu Chiang for Andrew Raab
					-------------------------------------
					Name: Andrew Raab



        				Bob Peck

        				/s/ Siu Chiang for Bob Peck
					-------------------------------------
					Name: Bob Peck





Exhibit 99.1	Joint Filing Agreement, dated November 13, 2012, by and among
		FPR Partners, LLC, Andrew Raab and Bob Peck (furnished
		herewith).



Exhibit 99.2	Confirming Statement for Andrew Raab (furnished herewith).



Exhibit 99.3	Confirming Statement for Bob Peck (furnished herewith).