SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13G

Under the Securities Exchange Act of 1934

ASTRONICS CORPORATION

(Name of Issuer)

Common Stock

046433 10 8

December 31, 2009

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

	þ		Rule 13d-1(b)
	o		Rule 13d-1(c)
	o		Rule 13d-1(d)

*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.

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).

 

 

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Item 1

	(a)		Name of Issuer: Astronics Corporation
	(b)		Address of Issuer’s Principal Executive Offices: 130 Commerce Way, East Aurora, NY 14052

Item 2

	(a)		Name of Person Filing: The Northwestern Mutual Life Insurance Company
	(b)		Address of Principal Business Office: 720 East Wisconsin Avenue, Milwaukee, Wisconsin 53202
	(c)		Citizenship or Place of Organization: Wisconsin
	(d)		Title of Class of Securities: Common Stock
	(e)		CUSIP Number: 046433 10 8

Item 3 If this statement is filed pursuant to Sections 240.13d-1(b), or 240.13d-2(b) or (c), check whether the person filing is a:

	(a)		o Broker or Dealer registered under Section 15 of the Act
	(b)		o Bank as defined in section 3(a)(6) of the Act
	(c)		þ Insurance company as defined in section 3(a)(19) of the Act
	(d)		o Investment company registered under section 8 of the Investment Company Act of 1940
	(e)		o An investment adviser in accordance with section 240.13d-1(b)(1)(ii)(E)
	(f)		o An employee benefit plan or endowment fund in accordance with section 240.13d-1(b)(1)(ii)(F)
	(g)		o A parent holding company or control person in accordance with section 240.13d-1(b)(1)(ii)(G)

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	(h)		o A savings association as defined in Section 3(b) of the Federal Deposit Insurance Act
	(i)		o A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940
	(j)		o A non-U.S. institution in accordance with Section 240.13d-1(b)(1)(ii)(J)
	(k)		o Group, in accordance with section 240.13d-1(b)(1)(ii)(K)

          If filing as a non-U.S. institution in accordance with Section 240.13d-1(b)(1)(ii)(J), please specify the type of institution:

Item 4 Ownership

          (a) Amount Beneficially Owned: 33,040 shares owned directly by The Northwestern Mutual Life Insurance Company (“Northwestern Mutual”).

          Mason Street Advisors, LLC, a wholly owned company of Northwestern Mutual and a registered investment advisor, serves as an investment advisor to Northwestern Mutual and it shares voting and investment power with respect to the aforementioned holdings. Mason Street Advisors, LLC’s principal place of business is 720 East Wisconsin Avenue, Milwaukee, Wisconsin, 53202. It is organized under Delaware law.

	(b)		Percent of Class: 0.4%
	(c)		Number of shares as to which such person has:

	(i)		Sole power to vote or to direct the vote: 0
	(ii)		Shared power to vote or to direct the vote: 33,040

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	(iii)		Sole power to dispose or to direct the disposition of: 0
	(iv)		Shared power to dispose or to direct the disposition of: 33,040

Item 5 Ownership of Five Percent or Less of a Class

     If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following þ.

Item 6		Ownership of More than Five Percent on Behalf of Another Person: N/A

Item 7		Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on By the Parent Holding Company or Control Person: N/A

Item 8		Identification and Classification of Members of the Group: N/A

Item 9		Notice of Dissolution of Group: N/A

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.

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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.

January 27, 2010

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