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Avionics

STC ST00321DE-D

FAA DRS lists ST00321DE-D as Current · Reissued, held by Learjet Inc., for Learjet Learjet 55. Recorded change: Installation of single or dual Universal Avionics UNS-1K flight management system. Snapshot dated June 30, 2026.

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

Recorded modification

What the FAA record covers

ST00321DE-D 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 Learjet 55. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Learjet Learjet 55A10CE

Related avionics STCs

ST01263WIAvionics

Installation of Collins IFIS-5000 Integrated Flight Information System and modification of FMS-6100 Flight Management System in accordance with: (1) Collins Drawing Index RCA-0049-001, Revision (-), dated July 7, 2004, (2) Collins Airplane Flight Manual Supplement RCA-0050-001, Revision (-), dated August 4, 2004, (3), and Collins Maintenance Manual Supplement RCA-0051-001, Revision (-), dated August 2, 2004 or later FAA approved revisions of (1), (2) and (3).

FAA holder: Rockwell Collins Inc

View record

FAA record reference

STC number
ST00321DE-D
Product
Aircraft · Small Multi-Engine
Country
United States
Application date
Not listed
Revision date
June 13, 2002
CFR references
Part 21