TSO-C139

Aircraft Audio Systems and Equipment

Current Issued 09/26/2014 PDF ↗

What is a TSOA?

A Technical Standard Order Authorization is the FAA's permit for a manufacturer to produce equipment that meets a specific TSO standard (avionics, seats, parachutes, GPS receivers, etc.). The TSO sets the performance requirement; the TSOA is the holder's authorization to deliver compliant parts.

Authorized parts (1)

Loud Speaker, 4 inch, high impedance

P/N 4486010-000