Skip to content

Atlas/ TSOA/ TSO-C41d

FAA · TSO Authorization

TSO-C41d

AIRBORNE AUTOMATIC DIRECTION FINDING (ADF) EQUIPMENT

Current Issued 03/25/2026 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)

  • KTR 2280B MMDR Transceiver

    62005555-( ) (-0101 Initial Dash No. in Series)