STC ST03894NY
FAA DRS lists ST03894NY as Current · Issued, held by Aero-Dienst GmbH & Co KG, for Learjet 31 and Learjet 31A. Recorded change: Installation of TCAS TPU67A to B upgrade to Version 7.1 (Honeywell). Snapshot dated June 30, 2026.
FAA-listed holder
Aircraft configurations
2
FAA revision date
FAA status
Current · Issued
Recorded modification
What the FAA record covers
ST03894NY 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 and Learjet 31A. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Related other aircraft modifications STCs
Installation of Heads Up Technologies Model PBS250 or PBS400 or PBS450 Passenger Briefing System.
FAA holder: Heads Up Technologies Inc.
Installation of heads up checklist(electronic verbal checklist).
FAA holder: Heads Up Technologies
Installation of Heads Up checklist(electronic verbal checklist).
FAA holder: Heads Up Technologies Inc.
Installation of passenger briefing system.
FAA holder: Heads Up Technologies Inc.
FAA record reference
- STC number
- ST03894NY
- Product
- Aircraft · Small/Large Airplane
- Country
- Germany
- Application date
- March 13, 2017
- Revision date
- April 19, 2017
- CFR references
- Part 21