Exhibit 21.1

SUBSIDIARIES

The subsidiaries of the Company as of September 29, 2017, are as follows:

Name of Subsidiary	Jurisdiction of Incorporation
Advanced Input Devices, Inc.	Delaware
Esterline Input Devices (Shanghai) Ltd.	China
Gamesman Ltd.	England
LRE Medical GmbH	Germany
Memtron Technologies Co.	Delaware
Armtec Defense Products Co.	Delaware
Armtec Countermeasures Co.	Delaware
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 LLC	Delaware
Esterline Belgium BVBA	Belgium
Esterline Georgia U.S., LLC	Delaware
Esterline Federal LLC	Delaware
Kirkhill - TA Co.	California
Darchem Engineering Ltd.	Scotland
NMC Group, Inc.	California
Hytek Finishes Co.	Delaware
TA Mfg. Ltd.	England
Korry Electronics Co.	Delaware
AVISTA Incorporated	Wisconsin
Mason Electric Co.	Delaware
Palomar Products, Inc.	Delaware
Racal Acoustics Ltd.	England
Leach International Corporation	Delaware
Leach International Europe S.A.	France
Leach International Asia Pacific Ltd.	Hong Kong
Souriau S.A.S.	France
Joslyn Sunbank Company, LLC	California
Souriau Japan K.K.	Japan
Souriau USA Inc.	Delaware
Technocontact S.A.	France

The above list excludes certain subsidiaries that, considered in the aggregate as a single subsidiary, would not constitute a significant subsidiary as of September 29, 2017.