Exhibit 23.4 INDEPENDENT AUDITORS' CONSENT We consent to the use in this Amendment No. 3 to Registration Statement No. 333-71397 of TransDigm, Inc. of our report dated August 26, 1998 (except for Note 9 as to which the date is April 23, 1999) appearing in the Prospectus, which is a part of such Registration Statement, and to the reference to us under the headings "Summary Historical Consolidated Financial Data" and "Experts" in such Prospectus. /s/ DELOITTE & TOUCHE LLP Costa Mesa, California April 23, 1999