Exhibit 21

List of Subsidiaries of Rockwell Collins, Inc.

	State/Country of
Name	Incorporation
ARINC Incorporated	Delaware
Radio Holdings, Inc.	Delaware
Rockwell Collins EUMEA Holdings SAS	France
Rockwell Collins European Holdings S.à r.l.	Luxembourg
Rockwell Collins International Financing S.à r.l.	Luxembourg
Rockwell Collins International Holdings S.à r.l.	Luxembourg

In accordance with Item 601(b)(21) of Regulation S-K, the company has omitted from this Exhibit the names of its subsidiaries which, considered in the aggregate or as a single subsidiary, do not constitute a significant subsidiary as defined in Rule 1-02(w) of Regulation S-X.