UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549





Form 10-Q/A

Amendment No. 1





(Mark one)

|x | Quarterly Report pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934
|- | ---------------------------------------------------------------------------------------

For the quarterly period ended March 27, 2011

OR



| ̈ | Transition Report pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934
|- | ----------------------------------------------------------------------------------------

For the transition period from              to

Commission File Number 001-32627





HORIZON LINES, INC.

(Exact name of registrant as specified in its charter)







|                                                               |  |                                     
|-------------------------------------------------------------- |  | ------------------------------------
|Delaware                                                       |  | 74-3123672                          
|(State or other jurisdiction of
incorporation or organization) |  | (I.R.S. Employer Identification No.)
|                                                               | 
|4064 Colony Road, Suite 200, Charlotte, North Carolina         |  | 28211                               
|(Address of principal executive offices)                       |  | (Zip Code)                          

(704) 973-7000

(Registrants telephone number, including area code)

NOT
APPLICABLE

(Former name, former address and former fiscal year, if changed since last report)





Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the
Securities Exchange Act of 1934 during the preceding 12 months (or for such a shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past
90 days.    Yes  x    No   ̈

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate website, if any, every Interactive
Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§ 232.405 of this chapter) during the preceding 12 months (or for shorter period that the registrant was required to submit and post such
files).    Yes   ̈    No   ̈

Indicate by check mark whether the Registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer or a smaller
reporting company. See definition of large accelerated filer, accelerated filer and smaller reporting company in Rule 12b-2 of the Exchange Act. (Check one):



|                        |  |                                                  |  |                           |  |  
|----------------------- |  | ------------------------------------------------ |  | ------------------------- |  | -
|Large accelerated filer |  |  ̈                                                |  | Accelerated filer         |  | x
|                        |  |                                                  | 
|Non-accelerated filer   |  |  ̈  (Do not check if a smaller reporting company) |  | Smaller reporting company |  |  ̈

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the
Exchange Act).    Yes   ̈    No  x

Indicate the number of shares outstanding of each of the issuers classes of common stock, as of the latest practicable date.

As of July 25, 2011, 30,906,540 shares of common stock, par value $.01 per share, were outstanding.









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EXPLANATORY NOTE

This Amendment No. 1 to the Quarterly Report on Form 10-Q for the fiscal quarter ended March 27, 2011 of Horizon Lines, Inc. (the Company), filed with the U.S. Securities and
Exchange Commission on April 29, 2011 (the Form 10-Q), is being filed to (1) state that the Companys Principal Executive Officer and Principal Financial Officer evaluated the Companys disclosure controls and
procedures, and (2) include the certifications required by Section 302 of the Sarbanes-Oxlely Act of 2002, amended to conform with the requirements of Rule 13a-15(f) and Rule 15d-15(f) of the Exchange Act.

Except as set forth above, no other changes have been made to the Form 10-Q, and this Amendment No. 1 does not amend, update or change any other
items or disclosure found in the Form 10-Q. Further, this Amendment No. 1 does not reflect events that may have occurred after the filing of the Form 10-Q.

Item 4.Controls and Procedures

Disclosure
Controls and Procedures

The Companys management, including the Companys Chief Executive
Officer and Chief Financial Officer, evaluated the effectiveness of the Companys disclosure controls and procedures as of the end of the fiscal quarter ending March 27, 2011. Based on such evaluation, each of the Companys Chief
Executive Officer and Chief Financial Officer has concluded that the Companys disclosure controls and procedures are effective.

Changes in Internal Control

There were no changes in the
Companys internal control over financial reporting during the Companys fiscal quarter ending March 27, 2011 that have materially affected, or are reasonably likely to materially affect, the Companys internal control over
financial reporting.

6.Exhibits



|     |  |                                                                                                    
|---- |  | ---------------------------------------------------------------------------------------------------
|31.1 |  | Certification of Chief Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
|     | 
|31.2 |  | Certification of Chief Financial Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.



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SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

Date: July 28, 2011



HORIZON LINES, INC.By:

/s/ MICHAEL T. AVARAMichael T. AvaraExecutive Vice President & Chief Financial Officer (Principal Financial Officer & Authorized Signatory)




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