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 *
  ALLEN PATRICK E
2. Date of Event Requiring Statement (Month/Day/Year)
01/03/2005
3. Issuer Name and Ticker or Trading Symbol
ROCKWELL COLLINS INC [COL]
(Last)
(First)
(Middle)
M/S 124-318, 400 COLLINS ROAD NE
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Sr. VP and CFO
5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

CEDAR RAPIDS, IA 52498-0001
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 3,179.4131 (1)
I
By Savings Plan
Common Stock 3,469.0048 (2)
D
 

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
Common Stock Share Equivalents (3)   (4)   (4) Common Stock 13.9354 (5) $ 0 (4) I By Supplemental Savings Plan
Employee Stock Option (Right to Buy) (6)   (7) 12/06/2005 Common Stock 718 $ 22.0764 D  
Employee Stock Option (Right to Buy) (6)   (7) 12/09/2006 Common Stock 673 $ 27.8729 D  
Employee Stock Option (Right to Buy) (6)   (7) 12/03/2007 Common Stock 4,721 $ 24.8849 D  
Employee Stock Option (Right to Buy) (6)   (7) 10/05/2008 Common Stock 9,241 $ 16.9669 D  
Employee Stock Option (Right to Buy) (6)   (7) 10/04/2009 Common Stock 6,897 $ 32.613 D  
Employee Stock Option (Right to Buy) (6)   (8) 10/04/2009 Common Stock 3,449 $ 32.613 D  
Employee Stock Option (Right to Buy) (6)   (7) 10/02/2010 Common Stock 14,796 $ 18.5972 D  
Employee Stock Option (Right to Buy) (6)   (7) 07/05/2011 Common Stock 38,000 $ 22.35 D  
Employee Stock Option (Right to Buy) (6)   (9) 09/11/2012 Common Stock 19,000 $ 20.97 D  
Employee Stock Option (Right to Buy) (6)   (10) 11/06/2013 Common Stock 19,000 $ 27.97 D  
Employee Stock Option (Right to Buy) (6)   (11) 11/02/2014 Common Stock 49,000 $ 36.55 D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
ALLEN PATRICK E
M/S 124-318
400 COLLINS ROAD NE
CEDAR RAPIDS, IA 52498-0001
      Sr. VP and CFO  

Signatures

Patrick E. Allen 01/04/2005
**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 Rockwell Collins, Inc. 2001 qualified savings plan, including shares acquired on a periodic basis pursuant to the Plan, based on information furnished by the Plan Administrator as of December 15, 2004.
(2) Includes shares acquired under the Company's employee stock purchase plan and based on information furnished by the Plan Administrator as of December 15, 2004.
(3) Share equivalents represented by Company stock fund units credited under the COL 2001 nonqualified savings plan based on information furnished by the Plan Administrator as of December 15, 2004.
(4) Payable in cash upon termination of employment.
(5) The number of share equivalents represented by the balance of a participant's Company stock fund may vary from day to day due to variances in the proportion of uninvested cash held in the reference fund used to determine unit values of the Company stock fund under the supplemental plan.
(6) Employee stock options granted pursuant to the Rockwell Collins, Inc. 2001 Stock Option Plan or its 2001 Long-Term Incentives Plan.
(7) The options vested in three substantially equal annual installments and are currently exercisable.
(8) Options become exercisable as to the total number of of option shares on the date on which the closing price of shares are reported on the New York Stock Exchange--Composite Transactions shall have exceeded 150% of the Fair Market Value on October 4, 1999 for at least 20 consecutive trading days or if earlier on October 4, 2006.
(9) 12,666 shares are currently exercisable; 6,334 shares become exercisable on September 11, 2005.
(10) 6,332 shares are currently exercisable; 6,334 shares become exercisable on November 6, 2005; 6,334 shares become exercisable on November 6, 2006.
(11) The options vest in three substantially equal annual installments beginning November 2, 2005.

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