TransDigm to Host Analyst Day at its Champion Aerospace Facility

CLEVELAND, May 18 /PRNewswire-FirstCall/ -- TransDigm Group Incorporated
(NYSE: TDG), a leading global designer, producer and supplier of highly
engineered aircraft components, announced today that it will host an Analyst
Day meeting on Tuesday, June 30, 2009, at its Champion Aerospace Facility
located in Liberty, South Carolina.

The event is scheduled to begin at 9:00 a.m. at the Champion facility and
conclude by 2:00 p.m., including a plant tour. Presenters will include:
-- W. Nicholas Howley, Chairman and CEO
-- Raymond F. Laubenthal, President and COO
-- Gregory Rufus, EVP and CFO
-- Robert S. Henderson, EVP
-- Albert J. Rodriguez, EVP, Mergers and Acquisitions

-- Bernt G. Iversen II, President, Champion Aerospace LLC

Space for the event will be limited. Security analysts and portfolio managers
interested in attending should respond by emailing analystday@transdigm.com.
Additional information is available at the Company's website at
www.transdigm.com.

About TransDigm Group
TransDigm Group, through its wholly-owned subsidiaries, is a leading global
designer, producer and supplier of highly engineered aircraft components for
use on nearly all commercial and military aircraft in service today. Major
product offerings, substantially all of which are ultimately provided to
end-users in the aerospace industry, include mechanical/ electromechanical
actuators and controls, ignition systems and components, gear pumps,
specialized valves, engineered connectors, power conditioning devices,
specialized fluorescent lighting and AC/DC electric motors, aircraft audio
systems, engineered latches and cockpit security devices, lavatory hardware
and components, hold open rods and locking devices, specialized cockpit
displays, elastomers, NiCad batteries/chargers, and starter generators and
related components.

About Champion Aerospace
Champion Aerospace designs and manufactures a broad range of
Champion-brand-name igniters, exciters, and leads for turbine engines, as well
as spark plugs, magnetos, oil filters, and ignition harnesses for
reciprocating engines. In addition, Champion Aerospace provides power supplies
to the aviation industry in standard and custom configurations.

SOURCE TransDigm Inc.

Sean Maroney, Investor Relations of TransDigm Group, +1-216-706-2945,
ir@transdigm.com