ANTENNA, GLIDESCOP (P/N 17-21f6mod1) - As Removed

The 17-21f6mod1 is a glide slope antenna for ILS (Instrument Landing System) reception. This receive-only UHF antenna operates in the 329–335 MHz band and delivers vertical guidance signals to the aircraft's navigation receiver during precision approaches. Qualified under FAA TSO‑C34 standards, the antenna integrates with certified ILS systems on general and commercial aircraft.

Installation follows the aircraft or avionics manufacturer's specifications; verify compatibility with your aircraft's Illustrated Parts Catalog before mounting. The antenna connects directly to the nav receiver input.

What is the ANTENNA, GLIDESCOP (P/N 17-21f6mod1)?

The 17-21f6mod1 is a glide slope antenna for ILS (Instrument Landing System) reception. This receive-only UHF antenna operates in the 329–335 MHz band and delivers vertical guidance signals to the aircraft's navigation receiver during precision approaches.

Is the 17-21f6mod1 compatible with my aircraft's avionics suite?

Avionics compatibility depends on your aircraft model and existing installation. The ANTENNA, GLIDESCOP is available in: As Removed. We recommend checking your aircraft's wiring diagrams and STC documentation, or contact our avionics team for compatibility assistance.

Does the 17-21f6mod1 come with an 8130-3 airworthiness tag?

Availability of an FAA 8130-3 tag depends on the part condition. Overhauled and repaired units typically include 8130-3 documentation. As-removed units may include a removal tag with trace history. Contact us for specific documentation on the condition you need.

Do you offer bench testing for the 17-21f6mod1?

We can arrange bench testing through our network of FAA-certified repair stations. Call (904) 998-9101 for testing availability and turnaround times, or submit an RFQ with your specific requirements.