Piper PA-34 Seneca Supplemental Type Certificates (STCs)

276 STCs approved for the Piper PA-34 Seneca (PA-34-220T Seneca IV/V) 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 This list is for research convenience and may be incomplete or out of date.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-34 Seneca 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
SA02149AK	Installation of GX50/60 GPS Navigator, Capstone configured MX20 Multi-Function Display and UAT transceiver. — Garmin International Inc	2013-05-17
SA1761NM	Installation of a pressurized magneto system on the Continental turbocharged TSIO-360 and LTSIO-360 series engines. — Sky Services Inc	2006-03-14
SA1673NM	Installation of Demers super tips. — Madras Air Service	1982-07-13

+ 273 more STCs for the Piper PA-34 Seneca family.

The complete, searchable Supplemental Type Certificates list — with in-app PDF viewing and a combined download — is part of AeroTell.

See all 276 STCs in the AeroTell app →