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Other aircraft modifications

STC ST9212SC-D

FAA DRS lists ST9212SC-D as Current · Amended, held by L-3 Communications Integrated Systems LP, for Boeing 747-200B Series. Recorded change: Replacement of existing Communication Switching Systems (CSS) batteries installed as a part of the Mission Communications Systems (MCS). Snapshot dated June 30, 2026.

FAA-listed holder
L-3 Communications Integrated Systems LP
Aircraft configurations
1
FAA revision date
FAA status
Current · Amended

Recorded modification

What the FAA record covers

Replacement of existing Communication Switching Systems (CSS) batteries installed as a part of the Mission Communications Systems (MCS).

ST9212SC-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: Boeing 747-200B Series. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Boeing 747-200B SeriesA20WE

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Boeing 747-200B Series model, serial range, and configuration?
  2. 02Which configuration, parts, installation data, limitations, and ICAs 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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