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Avionics

STC ST00504DE-D

FAA DRS lists ST00504DE-D as Current · Reissued, held by Learjet Inc., for Learjet Learjet 31. Recorded change: Installation of Dual IS&S Air Data Display Unit (ADDU) systems. Snapshot dated June 30, 2026.

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

Recorded modification

What the FAA record covers

Installation of Dual IS&S Air Data Display Unit (ADDU) systems.

ST00504DE-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 31. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Learjet Learjet 31A10CE

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Learjet Learjet 31 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?

Related avionics STCs

SA01041WI-DAvionics

Installation of the Bendix/King KMD 850 Multi-Function Display System with optional Traffic, Terrain and Weather sensors. REQUIRED DATA: 1. Master Drawing List 159-08278-0001, Revision A, dated 12-17-2001; 2. If the KMH 880 is installed, Airplane Flight Manual Supplement 006-00897-0000, Revision -, dated 1-07-2002, or 3. If the KTA 870 is installed, Airplane Flight Manual Supplement 006-00897-0001, Revision -, dated 1-07-2002. Approved for serial numbers 525-0001 through 525-0359.

FAA holder: Textron Aviation Inc

View record