Aircraft Certification Service (AIR) Draft Technical Standard Orders (TSOs) Open for Comment

Document Title:TSO-C215, GNSS Airborne Active Antenna Equipment for the L1/E1 and L5/E5a Frequency Bands
Summary:This technical standard order (TSO) is for manufacturers applying for a TSO authorization (TSOA) or letter of TSO design approval (LODA). In it, we (the Federal Aviation Administration, (FAA)) tell you what Minimum Performance Standards (MPS) your Global Navigation Satellite System (GNSS) airborne active antenna equipment for the L1/E1 and L5/E5a frequency bands must meet for approval and identification with the applicable TSO marking.
Documents for Download:                         Draft Document
Comment Matrix
Comments Due:November 6, 2026
How to Comment:Email Comments to: 9-AVS-TechWriters@faa.gov

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Last updated: Thursday, September 24, 2026