Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN 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
OMB APPROVAL
OMB Number: 3235-0287
Expires: January 31, 2005
Estimated average burden hours per response... 0.5

(Print or Type Responses)
1. Name and Address of Reporting Person *
GREGORY HARRY L
  2. Issuer Name and Ticker or Trading Symbol
ROCKWELL COLLINS INC [COL]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Sr. VP and General Manager-CAS
(Last)
(First)
(Middle)
400 COLLINS ROAD NE
3. Date of Earliest Transaction (Month/Day/Year)
11/23/2004
(Street)

CEDAR RAPIDS, IA 52498-0001
4. If Amendment, Date Original Filed(Month/Day/Year)
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 Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)
4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)
5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)
6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)
7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price
Common Stock 11/23/2004   M   5,802 A $ 16.967 11,863.7426 (1) D  
Common Stock 11/23/2004   M   17,407 A $ 16.9669 29,270.7426 (1) D  
Common Stock 11/23/2004   M   11,604 A $ 16.9669 40,874.7426 (1) D  
Common Stock 11/23/2004   S   34,813 D $ 39.5 6,061.7426 (1) D  
Common Stock               1,897.0979 (2) I By Savings Plan
Common Stock               749.6924 (3) I By Savings Plan

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number. SEC 1474 (9-02)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)
5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)
6. Date Exercisable and Expiration Date
(Month/Day/Year)
7. Title and Amount of Underlying Securities
(Instr. 3 and 4)
8. Price of Derivative Security
(Instr. 5)
9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)
10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)
11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Employee Stock Option (Right to Buy) $ 16.967 11/23/2004   M     5,802 10/05/2001 10/05/2008 Common Stock 5,802 (4) 0 D  
Employee Stock Option (Right to Buy) $ 16.9669 11/23/2004   M     17,407 10/05/2001 10/05/2008 Common Stock 17,407 (4) 0 D  
Common Stock $ 16.9669 11/23/2004   M     11,604 10/05/2001 10/05/2008 Common Stock 11,604 (4) 0 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
GREGORY HARRY L
400 COLLINS ROAD NE
CEDAR RAPIDS, IA 52498-0001
      Sr. VP and General Manager-CAS  

Signatures

 Vaughn M. Klopfenstein, Attorney-in-Fact   11/23/2004
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(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 October 1, 2004.
(2) 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 October 1, 2004.
(3) Shares represented by Company stock fund units under the Rockwell Automation, Inc. qualified savings plan, including shares acquired on a periodic basis pursuant to the Plan, based on information provided by the Plan Administrator as of October 1, 2004.
(4) Employee stock options granted pursuant to the Rockwell Collins, Inc. 2001 Stock Option Plan or its 2001 Long-Term Incentives Plan.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.