-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 J75f23EEU4Kp69pTTkn37W/KZ2zb3EUP5PFGZCI6J54xZ3XaJ+ACoUo1z//mChyo
 bcb9mOnExVs3JEOHK7Nx/g==

<SEC-DOCUMENT>0000769993-09-000451.txt : 20090217
<SEC-HEADER>0000769993-09-000451.hdr.sgml : 20090216
<ACCEPTANCE-DATETIME>20090217190458
ACCESSION NUMBER:		0000769993-09-000451
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20090212
FILED AS OF DATE:		20090217
DATE AS OF CHANGE:		20090217

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MESA AIR GROUP INC
		CENTRAL INDEX KEY:			0000810332
		STANDARD INDUSTRIAL CLASSIFICATION:	AIR TRANSPORTATION, SCHEDULED [4512]
		IRS NUMBER:				850302351
		STATE OF INCORPORATION:			NV
		FISCAL YEAR END:			0930

	BUSINESS ADDRESS:	
		STREET 1:		410 NORTH 44TH STREET
		STREET 2:		SUITE 700
		CITY:			PHOENIX
		STATE:			AZ
		ZIP:			85008
		BUSINESS PHONE:		6026854000

	MAIL ADDRESS:	
		STREET 1:		410 NORTH 44TH STREET
		STREET 2:		SUITE 700
		CITY:			PHOENIX
		STATE:			AZ
		ZIP:			85008

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MESA AIRLINES INC
		DATE OF NAME CHANGE:	19950426

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			GOLDMAN SACHS & CO
		CENTRAL INDEX KEY:			0000769993
		STATE OF INCORPORATION:			NY
		FISCAL YEAR END:			1127

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-15495
		FILM NUMBER:		09616667

	BUSINESS ADDRESS:	
		STREET 1:		85 BROAD ST
		STREET 2:		C/O GOLDMAN SACHS & CO
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10004
		BUSINESS PHONE:		2129021000

	MAIL ADDRESS:	
		STREET 1:		85 BROAD STREET
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10004

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			GOLDMAN SACHS GROUP INC
		CENTRAL INDEX KEY:			0000886982
		STANDARD INDUSTRIAL CLASSIFICATION:	SECURITY BROKERS, DEALERS & FLOTATION COMPANIES [6211]
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1225

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-15495
		FILM NUMBER:		09616668

	BUSINESS ADDRESS:	
		STREET 1:		85 BROAD ST
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10004
		BUSINESS PHONE:		2129021000

	MAIL ADDRESS:	
		STREET 1:		85 BROAD ST
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10004

	FORMER NAME:	
		FORMER CONFORMED NAME:	GOLDMAN SACHS GROUP INC/
		DATE OF NAME CHANGE:	20010104
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>mesa420090212gsg_ex.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2009-02-12</periodOfReport>

    <notSubjectToSection16>1</notSubjectToSection16>

    <issuer>
        <issuerCik>0000810332</issuerCik>
        <issuerName>MESA AIR GROUP INC</issuerName>
        <issuerTradingSymbol>MESA</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000886982</rptOwnerCik>
            <rptOwnerName>GOLDMAN SACHS GROUP INC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>85 BROAD ST</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10004</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000769993</rptOwnerCik>
            <rptOwnerName>GOLDMAN SACHS &amp; CO</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>85 BROAD STREET</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10004</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock, No Par Value</value>
            </securityTitle>
            <transactionDate>
                <value>2009-02-12</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>528900</value>
                    <footnoteId id="F2"/>
                    <footnoteId id="F6"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.0486</value>
                    <footnoteId id="F2"/>
                    <footnoteId id="F6"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>14751556</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See footnote</value>
                    <footnoteId id="F1"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock, No Par Value</value>
            </securityTitle>
            <transactionDate>
                <value>2009-02-12</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>3141000</value>
                    <footnoteId id="F3"/>
                    <footnoteId id="F6"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.0461</value>
                    <footnoteId id="F3"/>
                    <footnoteId id="F6"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>11610556</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See footnote</value>
                    <footnoteId id="F1"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock, No Par Value</value>
            </securityTitle>
            <transactionDate>
                <value>2009-02-13</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>7000</value>
                    <footnoteId id="F4"/>
                    <footnoteId id="F6"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.0415</value>
                    <footnoteId id="F4"/>
                    <footnoteId id="F6"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>11617556</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See footnote</value>
                    <footnoteId id="F1"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock, No Par Value</value>
            </securityTitle>
            <transactionDate>
                <value>2009-02-13</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>1508200</value>
                    <footnoteId id="F5"/>
                    <footnoteId id="F6"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.0403</value>
                    <footnoteId id="F5"/>
                    <footnoteId id="F6"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>10109356</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See footnotes</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F7"/>
                    <footnoteId id="F8"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">This statement is being filed by The Goldman Sachs Group, Inc. (&quot;GS Group&quot;) and Goldman, Sachs &amp; Co. (&quot;Goldman Sachs&quot;, and
 together with GS Group, the &quot;Reporting Persons&quot;).  The securities reported herein as indirectly purchased or sold were
 beneficially owned directly by Goldman Sachs.  Without admitting any legal obligation, Goldman Sachs will remit appropriate
 profits, if any, to Mesa Air Group, Inc. (the &quot;Company&quot;).  Goldman Sachs is a wholly-owned subsidiary of GS Group.</footnote>
        <footnote id="F2">Reflects the purchase of 528,900 shares of the Comany's common stock, no par value per share (the &quot;Common Stock&quot;) by Goldman
 Sachs at a weighted average purchase price of $0.0486 per share, at prices ranging from $0.0400 to $0.0605 per share.</footnote>
        <footnote id="F3">Reflects the sale of 3,141,000 shares of Common Stock by Goldman Sachs at a weighted average sale price of $0.0461 per share,
 at prices ranging from $0.0400 to $0.0605 per share.</footnote>
        <footnote id="F4">Reflects the purchase of 7,000 shares of Common Stock by Goldman Sachs at a weighted average purchase price of $0.0415 per
 share, at prices ranging from $0.0401 to $0.0499 per share.</footnote>
        <footnote id="F5">Reflects the sale of 1,508,200 shares of Common Stock by Goldman Sachs at a weighted average sale price of $0.0403 per share,
 at prices ranging from $0.0400 to $0.0499 per share.</footnote>
        <footnote id="F6">The Reporting Persons will provide, upon request by the staff of the Securities and Exchange Commission (the &quot;Commission&quot;),
 the Company, or a security holder of the Company, full information regarding the number of shares purchased or sold at each
 separate price.</footnote>
        <footnote id="F7">Goldman Sachs beneficially owns directly and GS Group may be deemed to beneficially own indirectly 10,109,356 shares of
 Common Stock.  Each of Goldman Sachs and GS Group disclaims beneficial ownership of the securities reported herein except to
 the extent of its pecuniary interest therein.</footnote>
        <footnote id="F8">As of February 13, 2009, the Reporting Persons ceased to beneficially own more than 10% of the shares of Common Stock
 outstanding per the information reported in the Company's Current Report on Form 8-K filed with the Commission on February
 12, 2009, and are therefore no longer subject to Section 16 of the Securities Exchange Act of 1934, as amended.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Kevin P. Treanor, Attorney-in-fact</signatureName>
        <signatureDate>2009-02-17</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Kevin P. Treanor, Attorney-in-fact</signatureName>
        <signatureDate>2009-02-17</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----
