1. UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549


                                  SCHEDULE 13G


                    Under the Securities Exchange Act of 1934
                                (Amendment No. 1)


                                 MARITRANS, INC.
--------------------------------------------------------------------------------
                                (Name of Issuer)


                                  COMMON STOCK
--------------------------------------------------------------------------------
                         (Title of Class of Securities)


                                    570363101
--------------------------------------------------------------------------------
                                 (CUSIP Number)


                                December 31, 2006
--------------------------------------------------------------------------------
             (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).




                               Page 1 of 8 pages



-----------------------                                        -----------------
CUSIP No.     570363101               13G                      Page 2 of 8 Pages
-----------------------                                        -----------------

------------- ------------------------------------------------------------------
     1        NAME OF REPORTING PERSON
              S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

              THE BESSEMER GROUP, INCORPORATED*
              13-3093730
------------- ------------------------------------------------------------------
     2        CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                               (a) [ ]
                                                               (b) [X]
------------- ------------------------------------------------------------------
     3        SEC USE ONLY

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

              Delaware
---------------------------------- ---------- ----------------------------------
                                       5      SOLE VOTING POWER

                                              -0- shs.
            NUMBER OF
                                   ---------- ----------------------------------
             SHARES                    6      SHARED VOTING POWER
          BENEFICIALLY
            OWNED BY                          -0- shs.
                                   ---------- ----------------------------------
              EACH                     7      SOLE DISPOSITIVE POWER
            REPORTING
             PERSON                           -0- shs.
                                   ---------- ----------------------------------
              WITH                     8      SHARED DISPOSITIVE POWER

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

              -0- shs.
------------- ------------------------------------------------------------------
     10       CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN
              SHARES*
                                                                  [ ]
------------- ------------------------------------------------------------------
     11       PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

              0.0%
------------- ------------------------------------------------------------------
     12       TYPE OF REPORTING PERSON*

              HC
------------- ------------------------------------------------------------------
*The shares reported on this page are the same shares reported on page 3, as The
Bessemer Group, Incorporated is the parent of the other reporting person.

                      *SEE INSTRUCTIONS BEFORE FILLING OUT!




                               Page 2 of 8 pages



-----------------------                                        -----------------
CUSIP No.     570363101               13G                      Page 3 of 8 Pages
-----------------------                                        -----------------


------------- ------------------------------------------------------------------
     1        NAME OF REPORTING PERSON
              S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

              BESSEMER TRUST COMPANY, N.A.*
              13-2792165
------------- ------------------------------------------------------------------
     2        CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                               (a) [ ]
                                                               (b) [X]
------------- ------------------------------------------------------------------
     3        SEC USE ONLY

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

              U.S.A.
---------------------------------- ---------- ----------------------------------
                                       5      SOLE VOTING POWER

                                              -0- shs.
            NUMBER OF
                                   ---------- ----------------------------------
             SHARES                    6      SHARED VOTING POWER
          BENEFICIALLY
            OWNED BY                          -0- shs.
                                   ---------- ----------------------------------
              EACH                     7      SOLE DISPOSITIVE POWER
            REPORTING
             PERSON                           -0- shs.
                                   ---------- ----------------------------------
              WITH                     8      SHARED DISPOSITIVE POWER

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

              -0- shs.
------------- ------------------------------------------------------------------
     10       CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN
              SHARES*
                                                                   [ ]
------------- ------------------------------------------------------------------
     11       PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

              0.0%
------------- ------------------------------------------------------------------
     12       TYPE OF REPORTING PERSON*

              BK
------------- ------------------------------------------------------------------
*The shares reported on this page include the shares reported on page 4, as
Bessemer Trust Company, N.A. is the parent of the other reporting person.

                      *SEE INSTRUCTIONS BEFORE FILLING OUT!




                               Page 3 of 8 pages



-----------------------                                        -----------------
CUSIP No.     570363101               13G                      Page 4 of 8 Pages
-----------------------                                        -----------------


------------- ------------------------------------------------------------------
     1        NAME OF REPORTING PERSON
              S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

              BESSEMER INVESTMENT MANAGEMENT LLC*
              52-2303291
------------- ------------------------------------------------------------------
     2        CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                               (a) [ ]
                                                               (b) [X]
------------- ------------------------------------------------------------------
     3        SEC USE ONLY

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

              Delaware
---------------------------------- ---------- ----------------------------------
                                       5      SOLE VOTING POWER

                                              -0- shs.
            NUMBER OF
                                   ---------- ----------------------------------
             SHARES                    6      SHARED VOTING POWER
          BENEFICIALLY
            OWNED BY                          -0- shs.
                                   ---------- ----------------------------------
              EACH                     7      SOLE DISPOSITIVE POWER
            REPORTING
             PERSON                           -0- shs.
                                   ---------- ----------------------------------
              WITH                     8      SHARED DISPOSITIVE POWER

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

              -0- shs.
------------- ------------------------------------------------------------------
     10       CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN
              SHARES*
                                                                   [ ]
------------- ------------------------------------------------------------------
     11       PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

              0.0%
------------- ------------------------------------------------------------------
     12       TYPE OF REPORTING PERSON*

              IA
------------- ------------------------------------------------------------------
*The shares reported on this page are the same shares reported on page 5, as
Bessemer Investment Management LLC is the investment adviser of the other
reporting person.

                      *SEE INSTRUCTIONS BEFORE FILLING OUT!




                               Page 4 of 8 pages



-----------------------                                        -----------------
CUSIP No.     570363101               13G                      Page 5 of 8 Pages
-----------------------                                        -----------------


------------- ------------------------------------------------------------------
     1        NAME OF REPORTING PERSON
              S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

              OLD WESTBURY REAL RETURN FUND
              20-2413510
------------- ------------------------------------------------------------------
     2        CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                               (a) [ ]
                                                               (b) [X]
------------- ------------------------------------------------------------------
     3        SEC USE ONLY

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

              Maryland
---------------------------------- ---------- ----------------------------------
                                       5      SOLE VOTING POWER

                                              -0- shs.
            NUMBER OF
                                   ---------- ----------------------------------
             SHARES                    6      SHARED VOTING POWER
          BENEFICIALLY
            OWNED BY                          -0-shs.
                                   ---------- ----------------------------------
              EACH                     7      SOLE DISPOSITIVE POWER
            REPORTING
             PERSON                           -0- shs.
                                   ---------- ----------------------------------
              WITH                     8      SHARED DISPOSITIVE POWER

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

              -0- shs.
------------- ------------------------------------------------------------------
     10       CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN
              SHARES*
                                                                   [ ]
------------- ------------------------------------------------------------------
     11       PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

              0.0%
------------- ------------------------------------------------------------------
     12       TYPE OF REPORTING PERSON*

              IV
------------- ------------------------------------------------------------------
                      *SEE INSTRUCTIONS BEFORE FILLING OUT!




                                Page 5 of 8 pages



Item 1.

(a) Name of Issuer:

                           Maritrans, Inc.

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

                           Two Harbour Place
                           302 Knights Run Avenue, Suite 1200
                           Tampa, Florida  33602


Item 2.

         (a), (b) and (c) Name of Persons Filing, Address of Principal Business
Office and Citizenship:

         The Bessemer Group, Incorporated ("BGI") as a parent holding company
and Bessemer Trust Company, N.A. ("BTNA"), Bessemer Investment Management LLC
("BIM") and Old Westbury Real Return Fund ("OWRRF"). BTNA is wholly-owned by
BGI. BIM is a wholly owned subsidiary of BTNA and is the investment advisor to
OWRRF. BTNA may be deemed to control BIM and BIM may be deemed to control OWRRF.

         BTNA is a trust company that manages accounts for the benefit of
others. BIM is a registered investment advisor that furnishes investment
advisory services to OWRRF. The holder of the securities referred to in this
statement is OWRRF.

         BGI has its principal business office at 100 Woodbridge Center Drive,
Woodbridge, New Jersey 07095-0980. BTNA and BIM each has its principal office at
630 Fifth Avenue, New York, New York 10111. OWRRF has its principal business
office at 3435 Steltzer Road, Columbus, Ohio 43219.

         BGI is a corporation organized under the laws of Delaware. BTNA is a
national bank organized under the laws of the United States of America. BIM is a
corporation organized under the laws of Delaware. OWRRF is a series of Old
Westbury Funds, Inc., a Maryland corporation and an open-end, management
investment company registered under the Investment Company Act of 1940.

         (d) Title of Class of Securities:

         Common Stock

         (e) CUSIP Number:

         570363101


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), (c), (f), (h) through (j) not applicable.

         (b) [X] Bank as defined in Section 3(a)(6) of the Act, as to BTNA.




                               Page 6 of 8 pages


         (d) [X] Investment company registered under Section 8 of the Investment
                 Company Act of 1940, as to OWRRF.

         (e) [X] Investment adviser in accordance with Rule13d-1(b)(1)(ii)(E),
                 as to BIM.

         (g) [X] Parent holding company or control person, in accordance with
                 Rule 13d-1(b)(1)(ii)(G), as to BGI.


Item 4.  Ownership

         Items 5 through 9 and Item 11 of Pages 2 through 5 of this Statement
are incorporated herein by reference.


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
five percent of the class 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

         Items 1 and 12 of pages 3 through 5 of this Statement are incorporated
herein by reference.



Item 8.  Identification and Classification of Members of the Group

         Not applicable.



Item 9.  Notice of Dissolution of Group

         Not applicable.




                               Page 7 of 8 pages



Item 10.  Certification

         By signing below, the undersigned certify that, to the best of the
knowledge and belief of the undersigned, 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 such securities and were not acquired
and are not held in connection with or as a participant in any transaction
having that purpose or effect.


Item 11.  Signatures

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

Dated:  February 14, 2007


                                       THE BESSEMER GROUP, INCORPORATED


                                       By:  /s/ Steven L. Williamson
                                          --------------------------------------
                                          Name:      Steven L. Williamson
                                          Title:     Managing Director


                                       BESSEMER TRUST COMPANY, N.A.


                                       By:  /s/ Steven L. Williamson
                                          --------------------------------------
                                          Name:      Steven L. Williamson
                                          Title:     Managing Director


                                       BESSEMER INVESTMENT MANAGEMENT LLC


                                       By:  /s/ Steven L. Williamson
                                          --------------------------------------
                                          Name:      Steven L. Williamson
                                          Title:      Managing Director


                                       OLD WESTBURY REAL RETURN FUND
                                       By:  BESSEMER INVESTMENT MANAGEMENT LLC


                                       By:  /s/ Steven L. Williamson
                                          --------------------------------------
                                          Name:      Steven L. Williamson
                                          Title:      Managing Director




                               Page 8 of 8 pages