Piper PA-23 Apache / Aztec Supplemental Type Certificates (STCs)

7 STCs approved for the Piper PA-23 Apache / Aztec (PA-23-150 Apache) 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 This list is for research convenience and may be incomplete or out of date.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-23 Apache / Aztec 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
SA8922SW	Installation of replacement Ultimate Engine Oil Filter for Textron Lycoming and Teledyne Continental engines. (411 S/N 000 THRU 0126, S/N 0127 AND UP) (T188C S/N 03474 AND UP) (206 S/N 05030 AND UP) (207 S/N 05227 AND UP) (T207 S/N 05227 AND UP) (P21 0 SERIES S/N 278 AND UP) (180 S/N 53087 AND UP) (210 S/N 63373 - 63375 AND UP) (B19 SPORT) — Capehart Industries, Inc	1994-07-21
SA3007SW-D	Installation of Mitchell automatic flight system model AK504 consisting of Piper altimatic IIIC autopilot with optional command/automatic electronic pitch trim, radio coupler and glide slope coupler. — Century Flight Systems Inc	1984-06-20
SA01303AT	Installation of OCEM AP-3C autopilot. — Chelton Aviation Corporation	2004-04-06

+ 4 more STCs for the Piper PA-23 Apache / Aztec family.

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