Mitsubishi MU-300 Diamond / Diamond I / II Supplemental Type Certificates (STCs)

4 STCs approved for the Mitsubishi MU-300 Diamond / Diamond I / II (MU-300 Diamond / Diamond I / II) 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 This list is for research convenience and may be incomplete or out of date.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 Mitsubishi MU-300 Diamond / Diamond I / II 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
SA2622NM	Installation of Precise Flight Pulselite Control Unit in landing/taxi system. (767-200 B17) (DHC-8 101) — Precise Flight Inc.	2026-03-06
ST01930LA	Installation of Sandel Avionics SN4500 Electronic Horizontal Situation Indicator (EHSI) — Sandel Avionics LLC	2021-06-23
SA01452CH	Installation of an air ambulance conversion kit. — Med-Pac Inc.	2018-03-21

+ 1 more STCs for the Mitsubishi MU-300 Diamond / Diamond I / II family.

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