Beechcraft Model 18 Twin Beech Supplemental Type Certificates (STCs)

64 STCs approved for the Beechcraft Model 18 Twin Beech (C18S) 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 This list is for research convenience and may be incomplete or out of date.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 Beechcraft Model 18 Twin Beech 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
SA2-213	Installation of modified wing tips. — Staggerwing Museum Foundation Inc.	2006-10-06
SA4503NM (Page 1)	Install Ceconite covering material. — Ceconite Division of Poly-Fiber Inc	2011-02-25
SA2190NM Page 1	Installation of electronics International Digital Volt/Amp Gauges and Accessories. — Electronics International	1984-02-16

+ 61 more STCs for the Beechcraft Model 18 Twin Beech family.

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