Bell 525 Relentless Supplemental Type Certificates (STCs)

13 STCs approved for the Bell 525 Relentless (525 Relentless) family · FAA quick reference

Quick reference only — not a compliance record. This list is for research convenience and may be incomplete or out of date. It is not an airworthiness compliance determination. Always verify against the official FAA record, and check directly with the FAA before relying on it. ADs are mandatory; STCs indicate approval for the type (not installation on a specific airframe); SAIBs are advisory.

Supplemental Type Certificates (STCs) approved for the Bell 525 Relentless type — FAA-approved modifications available for this aircraft family. Approval for the TYPE does not mean a given STC is installed on any individual airframe (that lives in the logbooks/337s).

Document	Title / Subject	Date
SA01229SE (1 OF 3)	Installation of CNX80 GPS WAAS Navigator with integrated VHF Navigation and Communication radios. — UPS Aviation Technologies	2003-06-27
SA01692SE (Page 1 OF 2)	Installation of a Garmin GMX 200 Multi-Function Display — Garmin International Inc	2012-10-03
SA00279LA	Installation of Ameri-King AK-950 Global Positioning System Navigation Switching/Annunciator Panel and Associated Equipment — Ameri-King Corporation	2001-03-19

+ 10 more STCs for the Bell 525 Relentless family.

The complete, searchable Supplemental Type Certificates list — with in-app PDF viewing and a combined download — is part of AeroTell.

See all 13 STCs in the AeroTell app →