Bell 412EP Supplemental Type Certificates (STCs)

268 STCs approved for the Bell 412EP (412EP) 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 This list is for research convenience and may be incomplete or out of date.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 412EP 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
SR02736NY	Installation of Utility Basket on the right hand side — Alpine Aerotech Ltd	2026-05-21
SH3261SO	Installation of replacement skid tubes. — Bell Helicopter Textron Inc.	2026-02-05
SR12148LA	Installation of modified configurations of the Bell Helicopter Textron (BHT) Model 412 “Arm and Bearing Assembly” — Extex Engineered Products	2025-11-21

+ 265 more STCs for the Bell 412EP family.

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