Exhibit 21.1

SUBSIDIARIES

The subsidiaries of the Company as of October 26, 2007 are as follows:

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

The above list excludes certain subsidiaries that, considered in the aggregate as a single subsidiary, would not constitute a significant subsidiary as of October 26, 2007.