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 *
  NIEUWSMA DAVID J
2. Date of Event Requiring Statement (Month/Day/Year)
04/20/2016
3. Issuer Name and Ticker or Trading Symbol
ROCKWELL COLLINS INC [COL]
(Last)
(First)
(Middle)
400 COLLINS ROAD N.E., MS: 124-323
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
SENIOR VICE PRESIDENT
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 1,120.93 (1)
D
 
Common Stock 82.7061 (2)
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) (3)   (4) 11/13/2017 Common Stock 770 $ 74.05 D  
Stock Option (Right-to-Buy) (3)   (5) 11/11/2023 Common Stock 6,250 $ 70.97 D  
Stock Option (Right-to-Buy) (3)   (6) 11/17/2024 Common Stock 5,900 $ 83.69 D  
Stock Option (Right-to-Buy) (3)   (7) 11/09/2025 Common Stock 6,500 $ 86.75 D  
Common Stock Share Equivalents (8)   (9)   (9) Common Stock 24.6131 $ 0 I By Supplemental Savings Plan

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
NIEUWSMA DAVID J
400 COLLINS ROAD N.E.
MS: 124-323
CEDAR RAPIDS, IA 52498
      SENIOR VICE PRESIDENT  

Signatures

Vaughn M. Klopfenstein, Attorney-in-Fact 04/22/2016
**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) Includes shares acquired under the Company's employee stock purchase plan and based on information furnished by the Plan Administrator as of March 31, 2016.
(2) 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 April 15, 2016.
(3) Employee stock options granted pursuant to the Company's stock based plans.
(4) The options vested in three substantially equal annual installments and are currently exercisable.
(5) The options vest in three substantially equal annual installments beginning November 11, 2014.
(6) The options vest in three substantially equal annual installments beginning November 17, 2015.
(7) The options vest in three substantially equal annual installments beginning November 9, 2016.
(8) Share equivalents represented by Company stock fund units credited under the Company's non-qualified savings plan based on information furnished by the Administrator of the Plan as of April 15, 2016.
(9) Payable in cash upon termination of employment.

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