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

12 STCs approved for the Piper PA-31 Navajo / Chieftain (PA-31-310 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 This list is for research convenience and may be incomplete or out of date.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
SA09066SC	Install LORI Oil Cooler, P/N L8535311. — Honeywell International Inc.	2021-09-22
SA00505SE	Installation of SMR technologies pneumatic de-icers. — SMR Technologies Inc	2009-06-22
SA01143AT	Installation of left hand side and right hand side main tank fuel cell assemblies. (PA-31-350 S/N 5 THRU 7300923) — Floats & Fuel Cells	2002-07-31

+ 9 more STCs for the Piper PA-31 Navajo / Chieftain family.

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

See all 12 STCs in the AeroTell app →