Exhibit 23.1


                      CONSENT OF INDEPENDENT AUDITORS


We consent to the reference to our firm under the caption "Experts" and to
the use of our report dated March 1, 2001, except for Note 7, as to which the
date is May 31, 2001, with respect to the financial statements of
Federal-Mogul Aviation, Inc. included in Amendment No. 1 to the Registration
Statement (Form S-4 No. 333-91574) and related Prospectus of TransDigm Inc.
for the registration of $75,000,000 of TransDigm Inc.'s 10 3/8% Senior
Subordinated Notes due 2008.


                                       /s/ Ernst & Young LLP


Detroit, Michigan
July 19, 2002