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Other aircraft modifications

STC ST09153SC

FAA DRS lists ST09153SC as Current · Amended, held by Schwartz Engineering Co, for Boeing 707-300B and Boeing 707-300C. Recorded change: Installation of a Honeywell TCAS II system upgrade. Sections 2.1 and 2.2 of MDL 1014-000, Rev L, apply only to Boeing 707-366C, and Sections 2.3 and 2.4 apply only to Boeing 707-321B model airplanes. Snapshot dated June 30, 2026.

FAA-listed holder
Schwartz Engineering Co
Aircraft configurations
2
FAA revision date
FAA status
Current · Amended

Recorded modification

What the FAA record covers

Installation of a Honeywell TCAS II system upgrade. Sections 2.1 and 2.2 of MDL 1014-000, Rev L, apply only to Boeing 707-366C, and Sections 2.3 and 2.4 apply only to Boeing 707-321B model airplanes.

ST09153SC 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 707-300B and Boeing 707-300C. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Boeing 707-300B4A26Boeing 707-300C4A26

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Boeing 707-300B and Boeing 707-300C 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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