Diamond DA20 Supplemental Type Certificates (STCs)

104 STCs approved for the Diamond DA20 (DA20-A1 Katana, DA20-C1 Eclipse) 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 This list is for research convenience and may be incomplete or out of date.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 Diamond DA20 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
SA12066IB	Installation of the MT-Propeller Entwicklung GmbH model MTV-21-A/170-05 propeller — MT-Propeller Entwicklung GmbH	2025-07-22
SA02738CH (PAGE 1)	Installation of L-3 Communications Avionics Systems — Acron Aviation Inc.	2025-04-01
SA04046CH Page 1	Installation of L-3 GENESIS (TM) Electronic Standby Instrument System (ESI-500/MAG-500) — Acron Aviation Inc.	2025-04-01

+ 101 more STCs for the Diamond DA20 family.

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

See all 104 STCs in the AeroTell app →