Exhibit 21

List of Subsidiaries of Rockwell Collins, Inc.

Name	State/Country of Incorporation
Intertrade Limited	Iowa
K Systems, Inc.	California
Kaiser Optical Systems, Inc.	Michigan
NLX Holding Corporation	Delaware
Rockwell Collins Aerospace & Electronics, Inc.	Delaware
Rockwell Collins ElectroMechanical Systems, Inc.	Nevada
Rockwell Collins Optronics, Inc.	California
Rockwell Collins Simulation & Training Solutions LLC	Delaware
Rockwell Collins Technologies LLC	Delaware
Rockwell Collins Danmark ApS	Denmark
Rockwell Collins Deutschland Holdings GmbH	Germany
Rockwell Collins European Holdings S.à r.l.	Luxembourg
Rockwell-Collins France S.A.S.	France
Rockwell Collins International Financing LIMITED	Bermuda
Rockwell Collins International Holdings LIMITED	Bermuda
Rockwell-Collins (U.K.) Limited	United Kingdom
TELDIX GmbH	Germany

Listed above are certain consolidated subsidiaries included in the consolidated financial statements of the Company. Unlisted subsidiaries, considered in the aggregate, do not constitute a significant subsidiary.