UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No. 1)* ASTRONICS CORPORATION (Name of Issuer) $.01 par value Common Stock, $.01 par value Class B Stock (Title of Class of Securities) 046433108 (CUSIP Number) 12/31/2010 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedule is filed: [X] Rule 13d-1(b) [ ] Rule 13d-1(c) [ ] Rule 13d-1(d) Check the following box if a fee is being paid with this statement [ ]. A fee is not required only if the filing person: (1) has a previous statement on file reporting beneficial ownership of more than five percent of the class of securities described in Item 1; and (2) has filed no amendment subsequent there to reporting beneficial ownership of five percent or less of such class. (See Rule 13d-7). * 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 the disclosures provided in a prior cover page. EXPLANATORY NOTE This Amendment No. 1 on Schedule 13G/A amends the Statement on Schedule 13G of NSB Advisors January 10, 2011. This Amendment is made soley to correct the Title of Class of Securities. No other changes have been made to the original filing and the Company has not updated disclosure contained herein to reflect events that have occurred since the Original Filing. Accordingly, this Amendment No. 1 should be read in conjunction with the Original Filing. The information required in 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). 1. Names of Reporting Persons. I.R.S. Identification Nos. of above persons (entities only) NSB Advisors LLC 2. Check the Appropriate Box if a Member of a Group (See Instructions) (a) [ ] (b) [ ] 3. SEC Use Only 4. Citizenship or Place of Organization State of Maryland Number of 5. Sole Voting Power: 0 shares Shares Beneficially by 6. Shared Voting Power: 0 shares Owned by Each Reporting 7. Sole Dispositive Power: 2416001 shares Person With: 8. Shared Dispositive Power: 0 shares 9. Aggregate Amount Beneficially Owned by Each Reporting Person 2,416,001 10. Check if the Aggregate Amount in Row (9) Excludes Certain Shares[] not applicable 11. Percent of Class Represented by Amount in Row (9) 27.6% 12. Type of Reporting Person IA Item 1. (a) Name of Issuer ASTRONICS CORPORATION Item 1. (b) Address of Issuers Principal Executive Offices 130 Commerce Way, East Aurora New York 14052 Item 2. (a) Name of Person Filing: NSB Advisors LLC Item 2. (b) Address of Principal Business Office: 200 Westage Business Center Drive, Suite 228 Fishkill, NY 12524 Item 2. (c) Citizenship: USA, Maryland Item 2. (d) Title of Class of Securities: $.01 par value Common Stock Item 2. (e) CUSIP Number: 046433108 Item 3. (e) [x] an Investment Advisor registered under section 203 of the Investment AdvisersAct of 1940 Item 4. Ownership. (a) Amount beneficially owned: 2,416,001 (b) Percent of class: 27.6% (c) Number of shares as to which the person has: (i) Sole power to vote or to direct the vote: 0 shares (ii) Shared power to vote or to direct the vote: 0 shares (iii) Sole power to dispose or to direct the disposition of: 2416001 shares (iv) Shared power to dispose or to direct the disposition of: 0 shares Item 5. Ownership of Five Percent or Less of a Class not applicable Item 6. Ownership of More than Five Percent on Behalf of Another Person. not applicable Item 7. not applicable Item 8. Identification and Classification of Members of the Group not applicable Item 9. Notice of Dissolution of Group not applicable Item 10. Certification By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect. 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. Date: 2/7/2011 Signature: WILLIAM F. NICKLIN Name/Title: William F. Nicklin / Manager