Cessna 180 Skywagon Supplemental Type Certificates (STCs)

474 STCs approved for the Cessna 180 Skywagon (180C) 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 This list is for research convenience and may be incomplete or out of date.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 Cessna 180 Skywagon 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
SA800EA	Installation of Whelen Anti-Collision, Position, or Anti-Collision/Position Light System, and applicable associated power supplies — Whelen Aerospace Technologies	2026-06-12
SA01345AT	Installation of Teledyne Continental IO-520-D and either Hartzell PHC-C3YF-1RF/F8468A( )-6R, Hartzell PHC-C3YF-1RF/F7691( ), or McCauley D3A34C401/90DFA-10, 3 bladed propellers. — Air Plains Services Corporation	2026-05-19
SA02511SE	Installation of replacement fuel quantity indicator sending unit(s) — CiES Inc.	2026-03-16

+ 471 more STCs for the Cessna 180 Skywagon family.

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