Exhibit 21.1

SUBSIDIARIES

The subsidiaries of the Company as of October 29, 2010, are as follows:

Name of Subsidiary	Jurisdiction of Incorporation
Advanced Input Devices, Inc.	Delaware
Esterline Input Devices (Shanghai) Ltd.	China
LRE Medical GmbH	Germany
Memtron Technologies Co.	Delaware
Armtec Defense Products Co.	Delaware
Armtec Countermeasures Co.	Delaware
Armtec Countermeasures TNO Co.	Delaware
Wallop Defence Systems	England
Auxitrol S.A.	France
Esterline Sensors Services Americas, Inc.	Delaware
Norwich Aero Products Ltd.	New York
Weston Aerospace Ltd.	England
CMC Electronics Incorporated	Canada
CMC Electronics Aurora Incorporated	Delaware
Hytek Finishes Co.	Delaware
Kirkhill – TA Co.	California
Darchem Engineering Ltd.	Scotland
NMC Group, Inc.	California
Korry Electronics Co.	Delaware
AVISTA Incorporated	Wisconsin
BVR Technologies Co.	Delaware
Mason Electric Co.	Delaware
Leach International Corporation	Delaware
Leach International Europe S.A.	France
Palomar Products, Inc.	Delaware
Racal Acoustics Ltd.	England
Racal Acoustics Inc.	Delaware

The above list excludes certain subsidiaries that, considered in the aggregate as a single subsidiary, would not constitute a significant subsidiary as of October 29, 2010.