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Avionics

STC ST00034MC

FAA DRS lists ST00034MC as Current · Issued, held by Learjet Inc., for Learjet 35A (C-21A). Recorded change: Installation of (a) the Universal Avionics Systems Corporation UNS-1LW & UNS-1FW Flight Management System with a Wide Area Augmentation System and (b) the Trimble Model TA-12 Global Positioning System. Snapshot dated June 30, 2026.

FAA-listed holder
Learjet Inc.
Aircraft configurations
1
FAA revision date
FAA status
Current · Issued

Recorded modification

What the FAA record covers

Installation of (a) the Universal Avionics Systems Corporation UNS-1LW & UNS-1FW Flight Management System with a Wide Area Augmentation System and (b) the Trimble Model TA-12 Global Positioning System.

ST00034MC 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 35A (C-21A). Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Learjet 35A (C-21A)A10CE

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Learjet 35A (C-21A) model, serial range, and configuration?
  2. 02Which part numbers, software versions, interfaces, and manual changes apply?
  3. 03Who can legally supply the design data, kit, instructions, and ICAs?
  4. 04What parts, labor, conformity, and return-to-service work are excluded?

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