Cessna 172 Skyhawk Supplemental Type Certificates (STCs)

312 STCs approved for the Cessna 172 Skyhawk (172S Skyhawk SP) 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 This list is for research convenience and may be incomplete or out of date.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 172 Skyhawk 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
SA02511SE	Installation of replacement fuel quantity indicator sending unit(s) — CiES Inc.	2026-03-16
SA5581SW	Installation of ALCOR true-flow/ totalizer system — Alcor LLC	2025-05-27
SA00081NY	Installation of Iceman Aviation Supplies, Inc. Carburetor Ice Detector. — Alcor LLC	2025-05-27

+ 309 more STCs for the Cessna 172 Skyhawk family.

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