Maule M-4 / M-5 / M-6 / M-7 Supplemental Type Certificates (STCs)

203 STCs approved for the Maule M-4 / M-5 / M-6 / M-7 (MX-7-180 Star Rocket) 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 This list is for research convenience and may be incomplete or out of date.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 Maule M-4 / M-5 / M-6 / M-7 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
SA02511SE	Installation of replacement fuel quantity indicator sending unit(s) — CiES Inc.	2026-03-16
SA01005DE	Installation of a EarthX ETX900-TSO Lithium battery — EarthX Inc.	2025-12-09
SA5581SW	Installation of ALCOR true-flow/ totalizer system — Alcor LLC	2025-05-27

+ 200 more STCs for the Maule M-4 / M-5 / M-6 / M-7 family.

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

See all 203 STCs in the AeroTell app →