Ownership Submission
FORM 3
 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
  MACLAUCHLAN JEFFREY D
 2. Date of Event Requiring Statement (Month/Day/Year)
02/05/2015		 3. Issuer Name and Ticker or Trading Symbol
ROCKWELL COLLINS INC [COL]
(Last)
(First)
(Middle)
MS: 124-303, 400 COLLINS ROAD N.E.		 4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
SR. VP, CORPORATE DEVELOPMENT
 5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

CEDAR RAPIDS, IA 52498		 6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Beneficially Owned
1.Title of Security
(Instr. 4)		 2. Amount of Securities Beneficially Owned
(Instr. 4)		 3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)		 4. Nature of Indirect Beneficial Ownership
(Instr. 5)
Common Stock 0
D
 
Common Stock 117.1495 (1)
I
By Savings Plan

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 4)		 2. Date Exercisable and Expiration Date
(Month/Day/Year)		 3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)		 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)		 6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Stock Option (Right to Buy) (2)   (3) 09/17/2024 Common Stock 10,600 $ 77.31 D  
Stock Option (Right to Buy) (2)   (4) 11/17/2024 Common Stock 10,900 $ 83.69 D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
MACLAUCHLAN JEFFREY D
MS: 124-303
400 COLLINS ROAD N.E.
CEDAR RAPIDS, IA 52498		       SR. VP, CORPORATE DEVELOPMENT  

Signatures

Vaughn M. Klopfenstein 02/12/2015
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 5(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) Shares represented by Company stock fund units under the Company's tax-qualified savings plan, including shares acquired on a periodic basis pursuant to the Plan, based on information furnished by the Plan Administrator as of February 5, 2015.
(2) Employee stock options granted pursuant to the Company's stock based plans.
(3) The options vest in three substantially equal installments beginning September 17, 2015, September 17, 2016 and September 17, 2017.
(4) The options vest in three substantially equal installments beginning November 17, 2015, November 17, 2016 and November 17, 2017.

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