Exhibit 4.2
                                
                                
                         UAL CORPORATION
                      Officer's Certificate

     Pursuant to Sections 2.1 and 3.1 of the Indenture, dated as

of April 3, 1995 (the "Indenture"), between UAL Corporation, a

Delaware corporation (the "Company"), and The Bank of New York, a

New York banking corporation, as trustee (the "Trustee"), the

undersigned officer of the Company hereby certifies on behalf of

the Company as follows:



     1.   Authorization.  The establishment of a series of
Securities of the Company has been approved and authorized in
accordance with the provisions of the Indenture pursuant to
resolutions adopted by the Board of Directors of the Company on
December 15, 1994 and January 26, 1995.

     2.   Compliance with Covenants and Conditions Precedent.
All conditions precedent, if any, provided for in the Indenture
relating to the establishment of a series of Securities have been
complied with.

     3.   Terms.  The terms of the series of Securities
established pursuant to this Officer's Certificate will be as
follows:

           (i)     Title.  The title of the Securities
                   is "6 3/8% Convertible Subordinated Debentures
                   due 2025" (the "Debentures").

          (ii)     Aggregate Principal Amount.  The
                   aggregate principal amount of the Debentures
                   which may be authenticated and delivered under
                   the Indenture (except for Debentures
                   authenticated and delivered upon registration
                   of transfer of, or in exchange for, or in lieu
                   of, other Debentures pursuant to Sections 3.4,
                   3.5, 3.6, 8.6 or 10.7 of the Indenture and
                   except for any Debentures that, pursuant to
                   the last paragraph of Section 3.3 of the
                   Indenture, are deemed never to have been
                   authenticated and delivered under the
                   Indenture) will not exceed $600,000,000.

         (iii)     Stated Maturity.  The date on which 
                   the principal of the Debentures is payable is
                   February 1, 2025.

          (iv)     Rate of Interest; Interest Payment Dates;
                   Regular Record Dates.  The Debentures will
                   bear interest at the rate of 6 3/8% per annum,
                   except that holders of record of the
                   Debentures will be entitled to interest at a
                   rate of      6 1/4% per annum from February 1,
                   1995 through April 3, 1995 in lieu of
                   dividends accumulating after January 31, 1995
                   on the Series A Preferred Stock.  The date
                   from which such interest will accrue is
                   February 1, 1995.  The Interest Payment Dates
                   on which such interest will be payable are
                   February 1, May 1, August 1 and November 1 of
                   each year, commencing May 1, 1995, subject to
                   extension as provided in the form of Debenture
                   attached hereto as Exhibit A. The Regular
                   Record Date for the interest payable on any
                   Interest Payment Date will be the January 15,
                   April 15, July 15 or October 15 prior to such
                   Interest Payment Date.

           (v)      Place of Payment.  The principal of and
                   interest on the Debentures will be payable at
                   the office or agency of the Company maintained
                   for that purpose in the City of New York
                   (which, unless changed, will be a corporate
                   trust office or agency of the Trustee);
                   provided that, at the option of the Company,
                   payments may be made by checks mailed by the
                   Trustee to the Holders of the Debentures at
                   their registered addresses or by wire
                   transfers to accounts maintained by the
                   Holders as specified in the Register, and
                   further provided that the payment of principal
                   with respect to any Debenture will be made
                   only upon surrender of such Debenture to the
                   Trustee.

          (vi)     Optional Redemption.  The Debentures will be
                   redeemable at the option of the Company after
                   meeting certain conditions set forth in the
                   form of Debenture attached hereto as Exhibit
                   A, in whole or in part, on or after May 1,
                   1996 at the following percentages of the
                   principal amount thereof redeemed, plus
                   accrued and unpaid interest, if any, up to but
                   excluding the Redemption Date, if redeemed
                   during the twelve-month period commencing May
                   1 of the years indicated:
          
                   Year                           Redemption
                                                  Price

                   1996                           104.375%
                   1997                           103.750%
                   1998                           103.125%
                   1999                           102.500%
                   2000                           101.875%
                   2001                           101.250%
                   2002                           100.625%
                   2003 and thereafter            100.000%

                   Notice of redemption will be mailed at least
                   30 days but no more than 60 days before the
                   Redemption Date to each Holder at its
                   registered address.  If fewer than all the
                   outstanding Debentures are to be redeemed, the
                   provisions of Section 10.3 of the Indenture
                   will govern.

         (vii)     Mandatory Redemption.  The Debentures will
                   contain no provision for mandatory redemption,
                   a sinking fund or analogous provisions.

        (viii)     Denominations.  The Debentures will be
                   issuable in denominations of $1,000 and
                   integral multiples thereof.

          (ix)     Currency.  The Debentures will be denominated
                   in Dollars and the principal of, premium, if
                   any, and interest on the Debentures will be
                   payable in Dollars.  The Debentures will be
                   satisfied and discharged as provided in
                   Article 4 of the Indenture.

           (x)     Payment Currency.  The principal of, premium,
                   if any, and interest on the Debentures will
                   not be payable in a currency other than
                   Dollars.

          (xi)     Formula.  The amount of payments of principal
                   of and interest on the Debentures will not be
                   determined with reference to an index, formula
                   or other method.

         (xii)     Amount Payable Upon Acceleration.  The
                   principal amount of the Debentures will be
                   payable upon declaration of acceleration
                   pursuant to Section 5.2 of the Indenture.

        (xiii)     Payment of Interest.  The payment of interest
                   on the Debentures will be governed by Sections
                   2.3 and 3.7 of the Indenture.
         (xiv)     Special Rights.  There are no provisions
                   granting special rights to the Holders upon
                   the occurrence of specified events.

          (xv)     Covenants; Events of Default.  The covenants
                   set forth in Section 9.8 of the Indenture will
                   also apply if the Company exercises its right
                   to extend the interest payment period for an
                   Extension Period (as defined in the
                   Debenture). These restrictions will apply
                   until any such Extension Period has
                   terminated.  An additional Event of Default
                   occurs with respect to the Debentures if
                   (whatever the reason for such Event of Default
                   and whether it shall be occasioned by the
                   provisions of Article 12 of the Indenture or
                   be voluntary or involuntary or be effected by
                   operation of law or pursuant to any judgment,
                   decree or order of any court or any order,
                   rule or regulation of any administrative or
                   governmental body):

                   The Company defaults during an Extension
                   Period under the terms of any agreement or
                   instrument evidencing or under which the
                   Company has outstanding any indebtedness for
                   borrowed money and such indebtedness shall be
                   accelerated so that the same shall be or
                   become due and payable prior to the date on
                   which the same would otherwise become due and
                   payable and the aggregate principal amount
                   thereof so accelerated exceeds $150,000,000
                   and such acceleration is not rescinded or
                   annulled within ten days after there has been
                   given, by registered or certified mail, to the
                   Company by the Trustee or to the Company and
                   the Trustee by the Holders of at least 25% in
                   aggregate principal amount of the Outstanding
                   Securities of that series a written notice
                   specifying such default and stating that such
                   notice is a "Notice of Default" under the
                   Indenture (it being understood, however, that,
                   subject to the provisions of Section 6.1 of
                   the Indenture, the Trustee shall not be deemed
                   to have knowledge of such default under such
                   agreement or instrument unless either (A) a
                   Responsible Officer of the Trustee shall have
                   actual knowledge of such default or (B) a
                   Responsible Officer of the Trustee shall have
                   received written notice thereof from the
                   Company, from any Holder, from the holder of
                   any such indebtedness or from the trustee
                   under any such agreement or other instrument);
                   provided, however, that if such default under
                   such agreement or instrument is remedied or
                   cured by the Company or waived by the holders
                   of such indebtedness, then the Event of
                   Default hereunder by reason thereof shall be
                   deemed likewise to have been thereupon
                   remedied, cured or waived without further
                   action upon the part of either the Trustee or
                   any of such Holders.

         (xvi)     Additional Amounts.  The Company will not pay
                   additional amounts on the Debentures held by a
                   Person that is not a U.S. Person in respect of
                   taxes or similar charges withheld or deducted.

        (xvii)     Registered Securities.  The Debentures will be
                   issuable as Registered Securities, without
                   interest coupons.  Section 3.5 of the
                   Indenture will govern the Debentures.

       (xviii)     Bearer Securities; Temporary Global Security.
                   The Debentures will not be Bearer Securities
                   or represented by a temporary global Security.

         (xix)     Defeasance and Covenant Defeasance.  Sections
                   4.4 and 4.5 of the Indenture will not apply to
                   the Debentures.

          (xx)     Registrar; Paying Agent.  The Trustee will be
                   the Registrar and the Paying Agent for the
                   Debentures.

         (xxi)     Warrants.  No warrants will be issued in
                   connection with the Debentures.

        (xxii)     Exchange Rate Agent.  There will be no
                   Exchange Rate Agent with respect to the
                   Debentures.

       (xxiii)     Permanent Global Form.  The Debentures will be
                   represented by four permanent global
                   debentures (the "Global Debentures"), with
                   respect to which The Depository Trust Company
                   will be the Depositary.  Section 3.5 of the
                   Indenture will govern the Global Debentures.

        (xxiv)     Conversion.  The Debentures will be
                   convertible at the option of the Holders
                   thereof at any time after the date of original
                   issuance thereof, unless previously redeemed,
                   into a combination of cash in the amount of
                   $541.90 for each $1,000 principal amount
                   thereof and the number of fully-paid and
                   nonassessable shares of common stock of the
                   Company obtained by dividing (i) the
                   difference between Principal Amount (as
                   defined in the Debenture) of the Debenture and
                   $541.90 for each $1,000 principal amount
                   thereof by (ii) the Conversion Price (as
                   defined in the Debenture) and surrendering
                   such Debentures to be converted as provided in
                   the form of Debenture attached hereto as
                   Exhibit A, provided, however, that the right
                   to convert Debentures called for redemption
                   shall terminate at the close of business on
                   the day preceding the Redemption Date, unless
                   the Company shall default in making payment of
                   the cash payable upon such redemption.  The
                   form of Debenture will govern the other terms
                   and conditions with respect to conversion of
                   the Debentures.

         (xxv)     Subordination.  Article 12 of the Indenture
                   will govern the terms and conditions under
                   which the Debentures are subordinate to the
                   Senior Indebtedness of the Company.

        (xxvi)     Other Terms.  The Debentures will have the
                   other terms and will be substantially in the
                   form set forth in the form of Debenture
                   attached hereto as Exhibit A.  In case of any
                   conflict between this certificate and the
                   Debentures in the form attached hereto as
                   Exhibit A, or between the Resolutions and the
                   Debentures in such form, the Debentures will
                   control.

     Capitalized terms used herein and not otherwise defined
herein have the meanings specified in the Indenture.

     The undersigned, for himself, states that he has read and is
familiar with the provisions of Article 2 of the Indenture
relating to the establishment of the form of Security
representing a series of Securities thereunder and Article 3 of
the Indenture relating to the establishment of a series of
Securities thereunder, and in each case, the definitions therein
relating thereto; that he is generally familiar with the other
provisions of the Indenture and with the affairs of the Company
and its acts and proceedings and that the statements and opinions
made by him in this Certificate are based upon such familiarity;
that, in his opinion, he has made such examination or
investigation as is necessary to enable him to express an
informed opinion as to whether or not the covenants and
conditions referred to above have been complied with; and, that
in his opinion, the covenants and conditions referred to above
have been complied with.



     Insofar as this Certificate relates to legal matters, it is
based, as provided for in Section 1.3 of the Indenture, upon the
opinion of Counsel delivered to the Trustee contemporaneously
herewith pursuant to Section 3.3 of the Indenture and relating to
the Debentures.

     IN WITNESS WHEREOF, the undersigned has hereunto signed this
Certificate on behalf of the Company this 11th day of April 1995.

                                   UAL CORPORATION


                                   By:  /s/ Douglas A. Hacker

                                       Name: Douglas A. Hacker
                                       Title: Senior Vice President - Finance