Exhibit 5.1

                      [McKenna Long & Aldridge Letterhead]

                                 October 4, 2006

US Airways Group, Inc.
111 West Rio Salado Parkway
Tempe, Arizona 85281

America West Airlines, Inc.
4000 E. Sky Harbor Blvd.
Phoenix, Arizona 85034

US Airways, Inc.
111 West Rio Salado Parkway
Tempe, Arizona 85281

      RE:   REGISTRATION STATEMENT ON FORM S-3 OF US AIRWAYS GROUP, INC.,
            AMERICA WEST AIRLINES, INC. AND US AIRWAYS, INC.

Ladies and Gentlemen:

      We have acted as counsel to US Airways Group, Inc., a Delaware corporation
("US Airways Group"), America West Airlines, Inc., a Delaware corporation
("AWA") and US Airways, Inc., a Delaware corporation ("US Airways"), in
connection with a Registration Statement on Form S-3 (the "Registration
Statement") and the prospectuses included therein (the "Prospectuses") that are
being filed with the Securities and Exchange Commission by US Airways Group, AWA
and US Airways. The Prospectuses provide that they will be supplemented in the
future by one or more supplements thereto (each, a "Prospectus Supplement").
Pursuant to the Registration Statement, which includes the Prospectuses that
will be supplemented from time to time by various Prospectus Supplements, US
Airways Group, AWA and US Airways intend to register under the Securities Act of
1933, as amended (the "Securities Act") the following securities:

(1)   shares of common stock, par value $0.01 per share, of US Airways Group
      (the "Common Stock");

(2)   stock purchase contracts of US Airways Group for the purchase from US
      Airways Group or the sale to US Airways Group of Common Stock (the "Stock
      Purchase Contracts");

(3)   stock purchase units of US Airways Group consisting of a Stock Purchase
      Contract and any combination of US Airways Group Debt Securities (as
      defined below), Common Stock, other Stock Purchase Contracts and debt
      obligations of third parties, including



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      U.S. Treasury securities, securing the holders' obligations to purchase
      Common Stock under the Stock Purchase Contracts (the "Stock Purchase
      Units");

(4)   warrants to purchase Common Stock and/or US Airways Group Debt Securities
      (as defined below) of one or more series (the "Warrants"), which may be
      issued pursuant to a warrant agreement to be dated on or about the date of
      the first issuance of the Warrants thereunder (the "Warrant Agreement"),
      between US Airways Group and a warrant agent to be selected by US Airways
      Group;

(5)   debt securities of US Airways Group, in one or more series (the "US
      Airways Group Debt Securities"), which may be, as to US Airways Group's
      obligations thereunder, fully and unconditionally guaranteed by AWA (the
      "AWA Debt Guarantees") and US Airways (the "US Airways Debt Guarantees"),
      issued by US Airways Group pursuant to an Indenture to be dated on or
      about the date of the first issuance of US Airways Group Debt Securities
      thereunder, by and among US Airways Group, AWA and US Airways, as
      guarantors, and The Bank of New York Trust Company, N.A., as trustee (the
      "Trustee"), in the form attached as Exhibit 4.7 to the Registration
      Statement, as such Indenture may be supplemented from time to time (the
      "US Airways Group Debt Securities Indenture");

(6)   debt securities of AWA, in one or more series (the "AWA Debt Securities"),
      which may be, as to AWA's obligations thereunder, fully and
      unconditionally guaranteed by US Airways Group (the "US Airways Group Debt
      Guarantees") and US Airways, issued by AWA pursuant to an Indenture to be
      dated on or about the date of the first issuance of AWA Debt Securities
      thereunder, by and among AWA, US Airways Group and US Airways, as
      guarantors, and The Bank of New York Trust Company, N.A., as Trustee, in
      the form attached as Exhibit 4.8 to the Registration Statement, as such
      Indenture may be supplemented from time to time (the "AWA Debt Securities
      Indenture");

(7)   debt securities of US Airways, in one or more series (the "US Airways Debt
      Securities"), which may be, as to US Airways' obligations thereunder,
      fully and unconditionally guaranteed by AWA and US Airways Group, issued
      by US Airways pursuant to an Indenture to be dated on or about the date of
      the first issuance of US Airways Debt Securities thereunder, by and among
      US Airways, US Airways Group and AWA, as guarantors, and The Bank of New
      York Trust Company, N.A., as Trustee, in the form attached as Exhibit 4.9
      to the Registration Statement, as such Indenture may be supplemented from
      time to time (the "US Airways Debt Securities Indenture");

(8)   pass through certificates of AWA that may be issued by one or more trusts
      formed by AWA on a delayed basis from time to time in one or more series
      (the "AWA Pass Through Certificates") issued by AWA pursuant to a Pass
      Through Trust Agreement to be dated on or about the date of the first
      issuance of AWA Pass Through Certificates thereunder, by and among AWA and
      U.S. Bank National Association, a national banking association, as pass
      through trustee (the "Pass Through Trustee"), in the form attached as



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      Exhibit 4.18 to the Registration Statement, as such Pass Through Trust
      Agreement may be supplemented from time to time (the "AWA Pass Through
      Trust Agreement"). The obligations of AWA under the Leases and/or the
      Equipment Notes (in each case as defined in the AWA Pass Through Trust
      Agreement) relating to the AWA Pass Through Certificates of a series may
      be guaranteed by US Airways Group (each, an "AWA Parent Guarantee"); and

(9)   pass through certificates of US Airways that may be issued by one or more
      trusts formed by US Airways on a delayed basis from time to time in one or
      more series (the "US Airways Pass Through Certificates") issued by US
      Airways pursuant to a Pass Through Trust Agreement to be dated on or about
      the date of the first issuance of US Airways Pass Through Certificates
      thereunder, by and among US Airways and U.S. Bank National Association, a
      national banking association, as Pass Through Trustee, in the form
      attached as Exhibit 4.20 to the Registration Statement, as such Pass
      Through Trust Agreement may be supplemented from time to time (the "US
      Airways Pass Through Trust Agreement"). The obligations of US Airways
      under the Leases and/or the Equipment Notes (in each case as defined in
      the US Airways Pass Through Trust Agreement) relating to the US Airways
      Pass Through Certificates of a series may be guaranteed by US Airways
      Group (each, a "US Airways Parent Guarantee").

      The Common Stock, Stock Purchase Contracts, Stock Purchase Units,
Warrants, US Airways Group Debt Securities, AWA Debt Securities, US Airways Debt
Securities, US Airways Group Debt Guarantees, AWA Debt Guarantees, US Airways
Debt Guarantees, AWA Pass Through Certificates, US Airways Pass Through
Certificates, AWA Parent Guarantees and US Airways Parent Guarantees are
collectively referred to herein as the "Securities". The Securities are being
offered for sale from time to time pursuant to Rule 415 under the Securities
Act.

      Our Opinions (as defined below) are furnished solely with regard to the
Registration Statement pursuant to Item 16 of Form S-3 and Item 601(b)(5) of
Regulation S-K, may be relied upon by the addressees hereto only in connection
with the Registration Statement and may not otherwise be used, quoted or
referred to by or filed with any other person or entity without our prior
written permission.

      The only opinions rendered consist of the matters set forth in numbered
paragraphs 1 through 14 below (individually, an "Opinion," and collectively, our
"Opinions"), and no opinion is implied or to be inferred beyond such matters.
Additionally, our Opinions are based on and subject to the qualifications,
limitations and exceptions set forth in this letter.

      In rendering our Opinions, we have examined such agreements, documents,
instruments and records as we deemed necessary or appropriate under the
circumstances for us to express our Opinions hereinafter set forth, including:
(i) the Registration Statement; (ii) the forms of US Airways Group Debt
Securities Indenture, AWA Debt Securities Indenture and US Airways Debt
Securities Indenture; (iii) the forms of AWA Pass Through Trust Agreement and



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US Airways Pass Through Trust Agreement; (iv) the Amended and Restated
Certificate of Incorporation and Amended and Restated Bylaws of US Airways
Group; (v) the Restated Certificate of Incorporation and Restated Bylaws of AWA;
(vi) the Amended and Restated Certificate of Incorporation and Amended and
Restated Bylaws of US Airways; (vii) the resolutions adopted by the Board of
Directors of US Airways Group, US Airways and AWA dated as of September 28, 2006
relating to the filing of the Registration Statement; (ix) the Statements of
Eligibility and Qualification under the Trust Indenture Act of 1939, as amended,
on Forms T-1 of the Trustee; and (x) the Statements of Eligibility and
Qualification under the Trust Indenture Act of 1939, as amended, on Forms T-1 of
the Pass Through Trustee. We also have examined originals and copies, certified
or otherwise identified to our satisfaction, of such records of US Airways
Group, AWA and US Airways and such agreements, certificates of public officials,
certificates of officers or other representatives of each of the companies and
others, and such documents, certificates and records as we have deemed necessary
or appropriate as a basis for the Opinions set forth herein.

      In making all of our examinations, we assumed the competency and legal
capacity of all natural persons, the genuineness of all signatures, the
authenticity and completeness of all documents submitted to us as originals, the
conformity to the original documents of all documents submitted to us as copies
and the authenticity of the originals of such latter documents, and the due
execution and delivery of all documents by any persons or entities where due
execution and delivery by such persons or entities is a prerequisite to the
effectiveness of such documents.

      As to various factual matters that are material to our Opinions, we have
relied upon the factual statements set forth in a certificate of an officer of
US Airways Group, AWA and US Airways. We have not independently verified or
investigated, nor do we assume any responsibility for, the factual accuracy or
completeness of such factual statements.

      Members of this firm are admitted to the bar of the State of Georgia and
the State of New York and are duly qualified to practice law in those states. We
do not herein express any opinion concerning any matter respecting or affected
by any laws other than the laws of the State of Georgia, the laws of the State
of New York, the Delaware General Corporation Law and applicable federal laws
that are now in effect and that, in the exercise of reasonable professional
judgment, are normally considered in transactions such as those contemplated by
the issuance of the Securities. The Opinions hereinafter set forth are based
upon pertinent laws and facts in existence as of the date hereof, and we
expressly disclaim any obligation to advise you of changes to such pertinent
laws or facts that hereafter may come to our attention.

      To the extent the obligations of US Airways Group, AWA or US Airways under
any agreement or Indenture may be dependent on such matters, we assume for the
purposes of the Opinions that: (i) each of the parties to such agreement or
Indenture is duly organized, validly existing and in good standing under the
laws of its jurisdiction of organization; (ii) each of the parties to such
agreement or Indenture is duly qualified to engage in the activities
contemplated by the agreement or Indenture, as applicable; (iii) the agreement
or Indenture has



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been duly authorized, executed and delivered by each of the parties to such
agreement or Indenture, as applicable, and constitutes the valid and binding
obligation of each of the parties to such agreement or Indenture, as applicable,
enforceable against each of the parties to such agreement or Indenture, as
applicable, in accordance with its terms; (iv) each of the parties to such
agreement or Indenture is in compliance, with respect to any actions it may take
under such agreement or Indenture, as applicable, with all applicable laws and
regulations; and (v) each of the parties to such agreement or Indenture has the
requisite organizational and legal power and authority to perform its
obligations under such agreement or Indenture, as applicable.

      In rendering the following opinions, we have further assumed that: (i) the
Registration Statement and any required post-effective amendment thereto are
effective under the Securities Act and the Prospectus and any and all Prospectus
Supplement(s) required by applicable laws have been filed and delivered as
required by such laws; (ii) the issuance and sale of all Securities will be in
compliance with applicable law, will be in conformity with the then operative
certificate of incorporation and bylaws of US Airways Group, AWA or US Airways,
as applicable, will not result in a default under or breach of any agreement or
instrument binding upon the respective entity and will comply with any
applicable requirement or restriction imposed by any court or governmental body
having jurisdiction over the respective entity; (iii) the Securities will be
sold and delivered to, and paid for by, the purchasers at the price and in
accordance with the terms of an agreement or agreements duly authorized and
validly executed and delivered by the parties thereto; (iv) US Airways Group,
AWA and US Airways, as applicable, will duly authorize the offering and issuance
of the Securities by all necessary corporate action and will authorize, approve
and establish the final terms and conditions thereof and of any applicable
agreement and will take any other appropriate additional corporate action; and
(v) certificates or other instruments or documents, if any, representing the
Securities will be duly executed and delivered and, to the extent required by
the applicable Indenture or agreement, duly authenticated and countersigned.

      On the basis of the foregoing and in reliance thereon, and subject to the
qualifications and assumptions herein stated, we are of the opinion that:

            1. With respect to the Common Stock offered under the Registration
      Statement (the "Offered Common Stock"), provided that at the time of
      issuance and sale, a sufficient number of shares of Common Stock is
      authorized and reserved for issuance and the consideration for the
      issuance and sale of the shares of the Offered Common Stock is cash in an
      amount that is not less than the par value of the Common Stock, then the
      Offered Common Stock, when issued and sold as contemplated in the
      Registration Statement, the applicable Prospectus and any related
      Prospectus Supplement(s) and in accordance with any applicable duly
      authorized, executed and delivered purchase, underwriting or similar
      agreement, or upon conversion or exchange of any convertible or
      exchangeable Offered US Airways Group Debt Securities (as defined below)
      in accordance with their terms, or upon exercise of any Offered Warrants
      (as defined below)



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      in accordance with their terms, or upon settlement of any Offered Stock
      Purchase Contract (as defined below) or Offered Stock Purchase Units (as
      defined below) in accordance with their terms, will be validly issued,
      fully paid and nonassessable.

            2. The Stock Purchase Contracts offered under the Registration
      Statement (the "Offered Stock Purchase Contracts"), when issued and sold
      as contemplated in the Registration Statement, the applicable Prospectus
      and any related Prospectus Supplement(s) and in accordance with any
      applicable duly authorized, executed and delivered purchase, underwriting
      or similar agreement, will be valid and binding obligations of US Airways
      Group, except as enforcement thereof may be limited by bankruptcy,
      insolvency, reorganization, moratorium or other similar laws relating to
      or affecting creditors' rights and remedies generally and by general
      equitable principles (regardless of whether such enforceability is
      considered in a proceeding at law or in equity).

            3. The Stock Purchase Units offered under the Registration Statement
      (the "Offered Stock Purchase Units"), when issued and sold as contemplated
      in the Registration Statement, the applicable Prospectus and any related
      Prospectus Supplement(s) and in accordance with any applicable duly
      authorized, executed and delivered purchase, underwriting or similar
      agreement, will be valid and binding obligations of US Airways Group,
      except as enforcement thereof may be limited by bankruptcy, insolvency,
      reorganization, moratorium or other similar laws relating to or affecting
      creditors' rights and remedies generally and by general equitable
      principles (regardless of whether such enforceability is considered in a
      proceeding at law or in equity).

            4. The Warrants offered under the Registration Statement (the
      "Offered Warrants"), when issued and sold as contemplated in the
      Registration Statement, the Prospectus and the related Prospectus
      Supplement(s) in accordance with the Warrant Agreement and any applicable
      duly authorized, executed and delivered purchase, underwriting or similar
      agreement, or upon conversion or exchange of any convertible or
      exchangeable Offered US Airways Group Debt Securities (as defined below)
      in accordance with their terms, will be valid and binding obligations of
      US Airways Group, except as enforcement thereof may be limited by
      bankruptcy, insolvency, reorganization, moratorium or other similar laws
      relating to or affecting creditors' rights and remedies generally and by
      general equitable principles (regardless of whether such enforceability is
      considered in a proceeding at law or in equity).

            5. With respect to any series of US Airways Group Debt Securities
      issued under the US Airways Group Debt Securities Indenture and offered
      under the Registration Statement (the "Offered US Airways Group Debt
      Securities"), provided that (i) the US Airways Group Debt Securities
      Indenture has been qualified under the Trust Indenture Act of 1939, as
      amended; and (ii) the terms of the Offered US Airways Group Debt
      Securities and their issuance and sale have been duly established in
      accordance with the terms and provisions of the US Airways Group Debt
      Securities Indenture and are as



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      described in the Registration Statement, the applicable Prospectus and any
      related Prospectus Supplement(s), when issued and sold as contemplated in
      the Registration Statement, the applicable Prospectus and any related
      Prospectus Supplement(s) in accordance with the terms and provisions of
      the US Airways Group Debt Securities Indenture, and any applicable duly
      authorized, executed and delivered purchase, underwriting or similar
      agreement, or upon exercise of any Offered Warrants in accordance with
      their terms, will be valid and binding obligations of US Airways Group,
      except as enforcement thereof may be limited by bankruptcy, insolvency,
      reorganization, moratorium or other similar laws relating to or affecting
      creditors' rights and remedies generally and by general equitable
      principles (regardless of whether such enforceability is considered in a
      proceeding at law or in equity).

      6. With respect to any series of AWA Debt Securities issued under the AWA
      Debt Securities Indenture and offered under the Registration Statement
      (the "Offered AWA Debt Securities"), provided that (i) the AWA Debt
      Securities Indenture has been qualified under the Trust Indenture Act of
      1939, as amended; and (ii) the terms of the Offered AWA Debt Securities
      and their issuance and sale have been duly established in accordance with
      the terms and provisions of the AWA Debt Securities Indenture and are as
      described in the Registration Statement, the applicable Prospectus and any
      related Prospectus Supplement(s), then the Offered AWA Debt Securities,
      when issued and sold as contemplated in the Registration Statement, the
      applicable Prospectus and any related Prospectus Supplement(s) in
      accordance with the terms and provisions of the AWA Debt Securities
      Indenture and any applicable duly authorized, executed and delivered
      purchase, underwriting or similar agreement, will be valid and binding
      obligations of AWA, except as enforcement thereof may be limited by
      bankruptcy, insolvency, reorganization, moratorium or other similar laws
      relating to or affecting creditors' rights and remedies generally and by
      general equitable principles (regardless of whether such enforceability is
      considered in a proceeding at law or in equity).

            7. With respect to any series of US Airways Debt Securities issued
      under the US Airways Debt Securities Indenture and offered under the
      Registration Statement (the "Offered US Airways Debt Securities"),
      provided that (i) the US Airways Debt Securities Indenture has been
      qualified under the Trust Indenture Act of 1939, as amended; and (ii) the
      terms of the Offered US Airways Debt Securities and their issuance and
      sale have been duly established in accordance with the terms and
      provisions of the US Airways Debt Securities Indenture and are as
      described in the Registration Statement, the applicable Prospectus and any
      related Prospectus Supplement(s), when issued and sold as contemplated in
      the Registration Statement, the applicable Prospectus and any related
      Prospectus Supplement(s) in accordance with the terms and provisions of
      the US Airways Debt Securities Indenture, and any applicable duly
      authorized, executed and delivered purchase, underwriting or similar
      agreement, will be valid and binding obligations of US Airways, except as
      enforcement thereof may be limited by bankruptcy, insolvency,



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      reorganization, moratorium or other similar laws relating to or affecting
      creditors' rights and remedies generally and by general equitable
      principles (regardless of whether such enforceability is considered in a
      proceeding at law or in equity).

            8. With respect to any US Airways Group Debt Guarantees issued under
      the AWA Debt Securities Indenture or the US Airways Debt Securities
      Indenture, and offered under the Registration Statement, provided that the
      terms of the Offered AWA Debt Securities, the Offered US Airways Debt
      Securities and the US Airways Group Debt Guarantees, and of their issuance
      and sale, have been duly established in accordance with the terms and
      provisions of the AWA Debt Securities Indenture or the US Airways Debt
      Securities Indenture, as applicable, and are as described in the
      Registration Statement, the applicable Prospectus and any related
      Prospectus Supplement(s), then the US Airways Group Debt Guarantees, when
      issued and sold as contemplated in the Registration Statement, the
      applicable Prospectus and any related Prospectus Supplement(s) in
      accordance with terms and provisions of the AWA Debt Securities Indenture
      or the US Airways Debt Securities Indenture, as applicable, and any duly
      authorized, executed and delivered purchase, underwriting or similar
      agreement, will be valid and binding obligations of US Airways Group,
      except as enforcement thereof may be limited by bankruptcy, insolvency,
      reorganization, moratorium or other similar laws relating to or affecting
      creditors' rights and remedies generally and by general equitable
      principles (regardless of whether such enforceability is considered in a
      proceeding at law or in equity).

            9. With respect to any AWA Debt Guarantees issued under the US
      Airways Group Debt Securities Indenture or the US Airways Debt Securities
      Indenture, as applicable, and offered under the Registration Statement,
      provided that the terms of the Offered US Airways Group Debt Securities,
      the Offered US Airways Debt Securities and the AWA Debt Guarantees and of
      their issuance and sale have been duly established in accordance with the
      terms and provisions of the US Airways Group Debt Securities Indenture or
      the US Airways Debt Securities Indenture, as applicable, and are as
      described in the Registration Statement, the applicable Prospectus and any
      related Prospectus Supplement(s), then the AWA Debt Guarantees, when
      issued and sold as contemplated in the Registration Statement, the
      applicable Prospectus and any related Prospectus Supplement(s) in
      accordance with the terms and provisions of the US Airways Group Debt
      Securities Indenture or the US Airways Debt Securities Indenture, as
      applicable, and any applicable duly authorized, executed and delivered
      purchase, underwriting or similar agreement, will be valid and binding
      obligations of AWA, except as enforcement thereof may be limited by
      bankruptcy, insolvency, reorganization, moratorium or other similar laws
      relating to or affecting creditors' rights and remedies generally and by
      general equitable principles (regardless of whether such enforceability is
      considered in a proceeding at law or in equity).



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            10. With respect to any US Airways Debt Guarantees issued under the
      US Airways Group Debt Securities Indenture or the AWA Debt Securities
      Indenture, as applicable, and offered under the Registration Statement,
      provided that the terms of the Offered US Airways Group Debt Securities,
      the Offered AWA Debt Securities and the US Airways Debt Guarantees and of
      their issuance and sale have been duly established in accordance with the
      terms and provisions of the US Airways Group Debt Securities Indenture or
      the AWA Debt Securities Indenture, as applicable, and are as described in
      the Registration Statement, the applicable Prospectus and any related
      Prospectus Supplement(s), then the US Airways Debt Guarantees, when issued
      and sold as contemplated in the Registration Statement, the applicable
      Prospectus and any related Prospectus Supplement(s) in accordance with the
      terms and provisions of the US Airways Group Debt Securities Indenture or
      the AWA Debt Securities Indenture, as applicable, and any applicable duly
      authorized, executed and delivered purchase, underwriting or similar
      agreement, will be valid and binding obligations of US Airways, except as
      enforcement thereof may be limited by bankruptcy, insolvency,
      reorganization, moratorium or other similar laws relating to or affecting
      creditors' rights and remedies generally and by general equitable
      principles (regardless of whether such enforceability is considered in a
      proceeding at law or in equity).

            11. With respect to the AWA Pass Through Certificates of each
      series, when the AWA Pass Through Certificates of such series shall have
      been duly executed, authenticated, issued, and delivered by the Trustee
      and issued, sold, and paid for as contemplated by each of the Registration
      Statement, the applicable Prospectus, any supplement or supplements to the
      Prospectus relating to the AWA Pass Through Certificates of such series,
      the AWA Pass Through Trust Agreement and the related Trust Supplement, (i)
      the AWA Pass Through Trust Agreement, as supplemented by such Trust
      Supplement, will constitute a valid and binding obligation of AWA, except
      as enforcement thereof may be limited by bankruptcy, insolvency,
      reorganization, moratorium or other similar laws relating to or affecting
      creditors' rights and remedies generally and by general equitable
      principles (regardless of whether such enforceability is considered in a
      proceeding at law or in equity), and (ii) the AWA Pass Through
      Certificates of such series will be validly issued and will be entitled to
      the benefits of the AWA Pass Through Trust Agreement and the related Trust
      Supplement.

            12. With respect to the US Airways Pass Through Certificates of each
      series, when the US Airways Pass Through Certificates of such series shall
      have been duly executed, authenticated, issued, and delivered by the
      Trustee and issued, sold, and paid for as contemplated by each of the
      Registration Statement, the applicable Prospectus, any supplement or
      supplements to the Prospectus relating to the US Airways Pass Through
      Certificates of such series, the US Airways Pass Through Trust Agreement
      and the related Trust Supplement, (i) the US Airways Pass Through Trust
      Agreement, as supplemented by such Trust Supplement, will constitute a
      valid and binding obligation of



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      US Airways, except as enforcement thereof may be limited by bankruptcy,
      insolvency, reorganization, moratorium or other similar laws relating to
      or affecting creditors' rights and remedies generally and by general
      equitable principles (regardless of whether such enforceability is
      considered in a proceeding at law or in equity), and (ii) the US Airways
      Pass Through Certificates of such series will be validly issued and will
      be entitled to the benefits of the US Airways Pass Through Trust Agreement
      and the related Trust Supplement.

            13. With respect to each AWA Guarantee, when such AWA Guarantee
      shall have been duly executed and delivered by US Airways Group and issued
      by US Airways Group as contemplated by each of the Registration Statement,
      the applicable Prospectus, any supplement or the supplements to the
      Prospectus relating to the AWA Pass Through Certificates of the series to
      which such AWA Guarantee relates, the AWA Pass Through Trust Agreement and
      the related Trust Supplement, such AWA Guarantee will constitute a valid
      and binding obligation of US Airways Group, except as enforcement thereof
      may be limited by bankruptcy, insolvency, reorganization, moratorium or
      other similar laws relating to or affecting creditors' rights and remedies
      generally and by general equitable principles (regardless of whether such
      enforceability is considered in a proceeding at law or in equity).

            14. With respect to each US Airways Guarantee, when US Airways
      Guarantee shall have been duly executed and delivered by US Airways Group
      and issued by US Airways Group as contemplated by each of the Registration
      Statement, the applicable Prospectus, any supplement or the supplements to
      the Prospectus relating to the US Airways Pass Through Certificates of the
      series to which such US Airways Guarantee relates, the US Airways Pass
      Through Trust Agreement and the related Trust Supplement, such US Airways
      Guarantee will constitute a valid and binding obligation of US Airways
      Group, except as enforcement thereof may be limited by bankruptcy,
      insolvency, reorganization, moratorium or other similar laws relating to
      or affecting creditors' rights and remedies generally and by general
      equitable principles (regardless of whether such enforceability is
      considered in a proceeding at law or in equity).

      We hereby consent to the filing of this letter as an exhibit to the
Registration Statement and to the reference to our firm under the heading "Legal
Matters" set forth in the Prospectus forming a part of the Registration
Statement.

                                Very truly yours,

                                /s/ McKenna Long & Aldridge LLP
                                --------------------------------
                                McKenna Long & Aldridge LLP