STC SE3873NM
FAA DRS lists SE3873NM as Current · Reissued, held by Franklin Aircraft Engines Inc., for Textron Lycoming AVCO IO-540-R1A5. Recorded change: Installation of two AiResearch induction air intercoolers. Snapshot dated June 30, 2026.
FAA-listed holder
Aircraft configurations
1
FAA revision date
FAA status
Current · Reissued
Recorded modification
What the FAA record covers
SE3873NM identifies the approval, recorded holder, named aircraft, and modification scope. It does not confirm kit availability, serial-number effectivity, data rights, price, or installation authority.
Applicability
Aircraft named in FAA DRS
Named aircraft: Textron Lycoming AVCO IO-540-R1A5. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Related other aircraft modifications STCs
Installation of thermal acoustic insulation packages.
FAA holder: Aearo Technologies LLC
Installation of SkyTrac ISAT-200A Airborne Position/Data Communicator.
FAA holder: SkyTrac Systems Ltd.
Installation of FLIR U7000, U8000, U8500, 380-HD, or 380-HDc series Infrared Imaging System.
FAA holder: Airbus Helicopters, Inc.
FAA record reference
- STC number
- SE3873NM
- Product
- Engine
- Country
- United States
- Application date
- March 30, 1987
- Revision date
- May 25, 2022
- CFR references
- Part 3, Part 21