Leonardo AW139 Supplemental Type Certificates (STCs)

34 STCs approved for the Leonardo AW139 (AW139) 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 This list is for research convenience and may be incomplete or out of date.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 Leonardo AW139 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
SR04481AT	Installation of LED steerable searchlight/landing light assembly in replacement to the legacy steerable searchlight/landing light assembly — Sterling Helicopter	2026-02-13
SR12212IB	Installation of Mission Cabin Equipment — ICARUS Aero Inc.	2025-11-03
SR03024NY	Installation of Aerolite GmbH Emergency Medical System (EMS) Equipment P/N 139250-501 — Aerolite AG	2025-10-23

+ 31 more STCs for the Leonardo AW139 family.

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

See all 34 STCs in the AeroTell app →