UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549
                                  SCHEDULE l3D
                    Under the Securities Exchange Act of 1934
                               (Amendment No. 4)*



                       ATLAS AIR WORLDWIDE HOLDINGS, INC.
--------------------------------------------------------------------------------
                                (Name of Issuer)

                     Common Stock, par value $0.01 per share
--------------------------------------------------------------------------------
                         (Title of Class of Securities)

                                    049164205
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                                 (CUSIP Number)
                                                     with a copy to:
     Stephen Feinberg                                Robert G. Minion, Esq.
     299 Park Avenue                                 Lowenstein Sandler PC
     22nd Floor                                      65 Livingston Avenue
     New York, New York  10171                       Roseland, New Jersey  07068
     (212) 891-2100                                  (973) 597-2424
--------------------------------------------------------------------------------
                  (Name, Address and Telephone Number of Person
                Authorized to Receive Notices and Communications)

                                  June 29, 2006
--------------------------------------------------------------------------------
             (Date of Event which Requires Filing of this Statement)


If the filing person has previously  filed a statement on Schedule l3G to report
the  acquisition  that is the  subject of this  Schedule 13D, and is filing this
schedule because of Sections 240.13d-1(e),  240.13d-1(f) or 240.13d-1(g),  check
the following box. [ ]

Note:  Schedules  filed in paper format shall include a signed original and five
copies of the schedule, including all exhibits.  See Section 240.13d-7 for other
parties to whom copies are to be sent.

*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
disclosures provided in a prior cover page.

The information required on 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).




Cusip No.      049164205
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  1)   Names of Reporting Persons.  I.R.S. Identification Nos. of  above persons
       (entities only):

                                Stephen Feinberg
--------------------------------------------------------------------------------
  2)   Check the Appropriate Box if a Member of a Group (See Instructions):
             (a)                    Not
             (b)                 Applicable
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  3)   SEC Use Only

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  4)   Source of Funds (See Instructions):  WC, OO
--------------------------------------------------------------------------------
  5)   Check if  Disclosure of  Legal Proceedings Is  Required Pursuant to Items
       2(d) or 2(e):         Not Applicable
--------------------------------------------------------------------------------
  6)   Citizenship or Place of Organization:    United States
--------------------------------------------------------------------------------

        Number of                     7) Sole Voting Power:            *
                                         ---------------------------------------
        Shares Beneficially           8) Shared Voting Power:          *
                                         ---------------------------------------
        Owned by
        Each Reporting                9) Sole Dispositive Power:       *
                                         ---------------------------------------
        Person With                  10) Shared Dispositive Power:     *
                                         ---------------------------------------
--------------------------------------------------------------------------------
  11)  Aggregate Amount Beneficially Owned by Each Reporting Person:  1,433,583*

--------------------------------------------------------------------------------
  12)  Check if the Aggregate Amount in Row (11) Excludes Certain Shares  (See
       Instructions):      Not Applicable
--------------------------------------------------------------------------------
  13)  Percent of Class Represented by Amount in Row (11):     7.2%*
--------------------------------------------------------------------------------
  14)  Type of Reporting Person (See Instructions):     IA, IN
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*  Cerberus Partners, L.P., a Delaware limited partnership ("Cerberus"),  is the
holder of 216,615  shares of the common  stock,  par value  $0.01 per share (the
"Shares"),  of Atlas Air Worldwide Holdings,  Inc., a Delaware  corporation (the
"Company"), Cerberus International, Ltd., a corporation organized under the laws
of the  Bahamas  ("International"),  is the holder of 697,620  Shares,  Cerberus
Series Two Holdings, LLC, a Delaware limited liability company ("Cerberus Series
Two"), is the holder of 160,052 Shares,  Cerberus Series Three Holdings,  LLC, a
Delaware limited liability company  ("Cerberus Series Three"),  is the holder of
287,423 Shares,  Cerberus  America Series One Holdings,  LLC, a Delaware limited
liability company  ("Cerberus America One"), is the holder of 26,663 Shares, and
Cerberus America Series Two Holdings,  LLC, a Delaware limited liability company
("Cerberus  America  Two"),  is the holder of 45,210  Shares.  Stephen  Feinberg
possesses  sole power to vote and direct the  disposition  of all Shares held by
Cerberus,  International,  Cerberus Series Two, Cerberus Series Three,  Cerberus
America  One and  Cerberus  America  Two.  Thus,  as of June 29,  2006,  for the
purposes of Reg. Section  240.13d-3,  Stephen Feinberg is deemed to beneficially
own 1,433,583  Shares, or 7.2% of the Shares deemed issued and outstanding as of
that date.





Item 3.   Source and Amount of Funds or Other Consideration.
          -------------------------------------------------

          Item 3 is  hereby  amended  by  adding  the  following  after the last
paragraph thereof:

          Pursuant  to the  Plan of  Reorganization,  on May 3,  2006,  Cerberus
received,  for itself and on behalf of the other Cerberus  Entities,  an interim
distribution of 783 Shares. In addition to the Shares distributed to Cerberus on
behalf of itself and the other Cerberus  Entities on May 3, 2006 pursuant to the
Plan of  Reorganization,  each of the Cerberus  Entities  purchased  and/or sold
Shares  in  ordinary  brokerage  transactions  from  April 3, 2006  through  and
including  June 29, 2006.  Such ordinary  brokerage  transactions  that occurred
during the sixty days on or prior to June 29, 2006 are  described in more detail
in Item 5 below.  All funds  used to  purchase  Shares  on  behalf of  Cerberus,
International,  Cerberus Series Two, Cerberus Series Three, Cerberus America One
and  Cerberus   America  Two  came   directly   from  the  assets  of  Cerberus,
International,  Cerberus Series Two, Cerberus Series Three, Cerberus America One
and Cerberus America Two, respectively.


Item 5.   Interest in Securities of the Issuer.
          ------------------------------------

          Item 5 is hereby  amended by deleting  Item 5 in its  entirety  and by
substituting the following in lieu thereof:

          Based upon  information  set forth in the Company's  Definitive  Proxy
Statement on Schedule 14A as filed with the Securities  and Exchange  Commission
on May 25, 2006,  there were 19,966,134  Shares issued and outstanding as of May
4,  2006.  As of June 29,  2006,  Cerberus  was the  holder of  216,615  Shares,
International  was the holder of  697,620  Shares,  Cerberus  Series Two was the
holder of  160,052  Shares,  Cerberus  Series  Three was the  holder of  287,423
Shares,  Cerberus  America  One was the  holder of 26,663  Shares  and  Cerberus
America Two was the holder of 45,210  Shares.  Stephen  Feinberg  possesses sole
power to vote  and  direct  the  disposition  of all  Shares  held by  Cerberus,
International,  Cerberus Series Two, Cerberus Series Three, Cerberus America One
and Cerberus  America Two.  Thus, as of June 29, 2006,  for the purposes of Reg.
Section 240.13d-3,  Mr. Feinberg is deemed to beneficially own 1,433,583 Shares,
or 7.2% of the Shares deemed issued and outstanding as of that date.

          The following tables detail the transactions  during the sixty days on
or prior to June 29, 2006 in Shares, or securities convertible into, exercisable
for or  exchangeable  for Shares,  by Mr. Feinberg or any other person or entity
controlled  by him or any  person or entity  for  which he  possesses  voting or
investment  control over the securities  thereof (each of which were effected in
an ordinary brokerage transaction):






                                   I. Cerberus
                                   -----------

                                   (Purchases)

                                      NONE


                                     (Sales)

        Date                         Quantity                        Price
        ----                         --------                        -----

    June 19, 2006                      8,200                       $50.0278
    June 20, 2006                     12,700                       $50.0000
    June 21, 2006                      1,409                       $50.0000
    June 23, 2006                      2,630                       $50.0000
    June 26, 2006                      7,000                       $50.0000
    June 27, 2006                      1,293                       $50.0000
    June 28, 2006                     10,380                       $49.9603
    June 29, 2006                     12,640                       $50.2482



                                II. International
                                -----------------

                                   (Purchases)

                                      NONE


                                     (Sales)

        Date                         Quantity                        Price
        ----                         --------                        -----

    June 19, 2006                     26,500                       $50.0278
    June 20, 2006                     40,700                       $50.0000
    June 21, 2006                      4,539                       $50.0000
    June 23, 2006                      8,467                       $50.0000
    June 26, 2006                     22,400                       $50.0000
    June 27, 2006                      4,163                       $50.0000
    June 28, 2006                     33,430                       $49.9603
    June 29, 2006                     40,719                       $50.2482








                            III. Cerberus Series Two
                            ------------------------

                                   (Purchases)

                                      NONE


                                     (Sales)

        Date                         Quantity                        Price
        ----                         --------                        -----

    June 19, 2006                      6,100                       $50.0278
    June 20, 2006                      9,400                       $50.0000
    June 21, 2006                      1,042                       $50.0000
    June 23, 2006                      1,943                       $50.0000
    June 26, 2006                      5,200                       $50.0000
    June 27, 2006                        955                       $50.0000
    June 28, 2006                      7,670                       $49.9603
    June 29, 2006                      9,340                       $50.2482



                            IV. Cerberus Series Three
                            --------------------------

                                   (Purchases)

                                      NONE


                                     (Sales)

        Date                         Quantity                        Price
        ----                         --------                        -----

    June 19, 2006                     11,000                       $50.0278
    June 20, 2006                     16,800                       $50.0000
    June 21, 2006                      1,870                       $50.0000
    June 23, 2006                      3,489                       $50.0000
    June 26, 2006                      9,200                       $50.0000
    June 27, 2006                      1,715                       $50.0000
    June 28, 2006                     13,780                       $49.9603
    June 29, 2006                     16,780                       $50.2482





                             V. Cerberus America One
                             -----------------------

                                   (Purchases)

                                      NONE


                                     (Sales)

        Date                         Quantity                        Price
        ----                         --------                        -----

    June 19, 2006                      1,000                       $50.0278
    June 20, 2006                      1,500                       $50.0000
    June 21, 2006                        173                       $50.0000
    June 23, 2006                        324                       $50.0000
    June 26, 2006                        850                       $50.0000
    June 27, 2006                        159                       $50.0000
    June 28, 2006                      1,277                       $49.9603
    June 29, 2006                      1,550                       $50.2482



                            VI. Cerberus America Two
                            ------------------------

                                   (Purchases)

                                      NONE


                                     (Sales)

        Date                         Quantity                        Price
        ----                         --------                        -----

    June 19, 2006                      1,700                       $50.0278
    June 20, 2006                      2,600                       $50.0000
    June 21, 2006                        294                       $50.0000
    June 23, 2006                        549                       $50.0000
    June 26, 2006                      1,500                       $50.0000
    June 27, 2006                        270                       $50.0000
    June 28, 2006                      2,160                       $49.9603
    June 29, 2006                      2,640                       $50.2482



          In addition to the  transactions  detailed  in the  foregoing  tables,
pursuant to the Plan of Reorganization,  on May 3, 2006, Cerberus received,  for
itself and on behalf of the other Cerberus Entities, 783 Shares.





                                    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.


                                        August 10, 2006


                                        /s/ Stephen Feinberg
                                        ------------------------------------
                                        Stephen Feinberg, on behalf of  Cerberus
                                        Associates,  L.L.C., the general partner
                                        of Cerberus Partners, L.P., and Cerberus
                                        International, Ltd., Cerberus Series Two
                                        Holdings,   LLC,  Cerberus Series  Three
                                        Holdings,  LLC,  Cerberus America Series
                                        One Holdings,  LLC and Cerberus  America
                                        Series Two Holdings, LLC



      Attention: Intentional misstatements or omissions of fact constitute
               Federal criminal violations (See 18 U.S.C. 1001).