STC ST01749CH
FAA DRS lists ST01749CH as Current · Issued, held by Elliott Aviation Technical Products, for Learjet 35, Learjet 35A (C-21A), and Learjet 36, and 1 more aircraft configuration. Recorded change: Installation of a 4-tube Universal Avionics Electronics Flight Instrumentation System (EFI-550). Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
Installation of a 4-tube Universal Avionics Electronics Flight Instrumentation System (EFI-550).
ST01749CH 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 35, Learjet 35A (C-21A), and Learjet 36, and 1 more aircraft configuration. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks
Confirm before sourcing
- 01Does it cover the exact Learjet 35 and Learjet 35A (C-21A), and 2 more aircraft configurations model, serial range, and configuration?
- 02Which part numbers, software versions, interfaces, and manual changes apply?
- 03Who can legally supply the design data, kit, instructions, and ICAs?
- 04What parts, labor, conformity, and return-to-service work are excluded?
Related avionics STCs
Installation of a Universal Avionics Systems Corporation UNS-1F Flight Management System.
FAA holder: Sikorsky Aircraft Corporation
Installation of a Universal Avionics Systems Corporation Universal Cockpit Display System.
FAA holder: Sikorsky Aircraft Corporation
Installation of a Goodrich i-linc Multi-Function Display (MFD) System.
FAA holder: Sikorsky Aircraft Corporation
Installation of a Universal Avionics Systems Corporation UNS-1F Multi-Mission Management System (MMMS) with SCN 901.X software.
FAA holder: Sikorsky Aircraft Corporation