STC ST04221NY
FAA DRS lists ST04221NY as Current 路 Issued, held by Lee Aerospace Inc., for Learjet 31, Learjet 31A, and Learjet 35A (C-21A). Recorded change: Installation of LAI Heated Windshields. Snapshot dated June 30, 2026.
FAA-listed holder
Aircraft configurations
3
FAA revision date
FAA status
Current 路 Issued
Recorded modification
What the FAA record covers
ST04221NY 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: Learjet 31, Learjet 31A, and Learjet 35A (C-21A). Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Related other aircraft modifications STCs
Installation of parts listed on Airmotive Drawing No. 8810-3.
FAA holder: Continental Motors, Inc.
Installation of parts listed on Airmotive List No. 8810-3, Rev 6.
FAA holder: Continental Motors, Inc.
Installation of parts listed on Airmotive List 8810-3, Rev 6.
FAA holder: Continental Motors, Inc.
FAA record reference
- STC number
- ST04221NY
- Product
- Aircraft 路 Large Airplane
- Country
- United States
- Application date
- July 25, 2022
- Revision date
- January 18, 2023
- CFR references
- Part 25