Piper J-4 Cub Coupe Supplemental Type Certificates (STCs)

83 STCs approved for the Piper J-4 Cub Coupe (J-4 / J-4A / J-4E) 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 This list is for research convenience and may be incomplete or out of date.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 J-4 Cub Coupe 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
SA02525LA	Installation of Wheel and Brake Assemblies — Game Aerospace LLC	2026-03-05
SA01704LA	Installation of the Grove Disk Brake System — Grove Aircraft Landing Gear Systems Inc.	2025-07-30
SA00081NY	Installation of Iceman Aviation Supplies, Inc. Carburetor Ice Detector. — Alcor LLC	2025-05-27

+ 80 more STCs for the Piper J-4 Cub Coupe family.

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

See all 83 STCs in the AeroTell app →