Piper PA-42 Cheyenne III / IV Supplemental Type Certificates (STCs)

103 STCs approved for the Piper PA-42 Cheyenne III / IV (PA-42-1000 Cheyenne 400LS) 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 This list is for research convenience and may be incomplete or out of date.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-42 Cheyenne III / IV 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
SA00269BO	Installation of Avidyne Corporation TWX 670 Tactical Weather Detection System P/N 850-00026-000-( ) consisting of Avidyne Processor P/N 700-00033-000-( ), Sensor Systems Inc. Antenna P/N S72-1715-1 with doubler plate P/N S72-171530-1, and Avidyne Mounting Tray P/N 700-00034-000. — Avidyne Corporation	2014-04-23
SA02571SE (PAGE 2)	Installation of Garmin G500/G600 TXi Integrated Avionics System (Primary Flight Display, Multi-Function Display, and Engine Indicating System Display). — Garmin International Inc	2021-07-09
SA02154AK	Installation of the UPS Aviation Technologies, Inc, Apollo MX20 multi-function display, P/N 430-0270-500. — UPS Aviation Technologies	2003-02-26

+ 100 more STCs for the Piper PA-42 Cheyenne III / IV family.

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See all 103 STCs in the AeroTell app →