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Avionics

STC SA4227SW

FAA DRS lists SA4227SW as Current · Issued, held by Northrop Grumman Systems Corporation, for Mitsubishi Heavy Industries MU-2B-40. Recorded change: Installation of Litton LTN-211 VLF/Omega Long Range Navigation System. Snapshot dated June 30, 2026.

FAA-listed holder
Northrop Grumman Systems Corporation
Aircraft configurations
1
FAA revision date
FAA status
Current · Issued

Recorded modification

What the FAA record covers

Installation of Litton LTN-211 VLF/Omega Long Range Navigation System.

SA4227SW 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: Mitsubishi Heavy Industries MU-2B-40. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Mitsubishi Heavy Industries MU-2B-40A10SW

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Mitsubishi Heavy Industries MU-2B-40 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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