Piper PA-31 Navajo / Chieftain Supplemental Type Certificates (STCs)

246 STCs approved for the Piper PA-31 Navajo / Chieftain (PA-31-300 Navajo) 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 This list is for research convenience and may be incomplete or out of date.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 Piper PA-31 Navajo / Chieftain 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
SA01844WI	Installation of Garmin GFC 600 Automatic Flight Control System — Garmin International Inc.	2026-05-14
SA01147WI	Installation of Concorde FLA or VRSLA series batteries in Piper Light Airplanes. — Concorde Battery Corporation	2026-04-01

+ 243 more STCs for the Piper PA-31 Navajo / Chieftain family.

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