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Electrical systems

STC ST01972CH

FAA DRS lists ST01972CH as Current · Issued, held by EAD Inc., for Boeing 757-200 Series. Recorded change: Installation of wiring provisions for Traffic/Terrain Collision Avoidance (TCAS) and Enhanced Mode S systems. Snapshot dated June 30, 2026.

FAA-listed holder
EAD Inc.
Aircraft configurations
1
FAA revision date
FAA status
Current · Issued

Recorded modification

What the FAA record covers

Installation of wiring provisions for Traffic/Terrain Collision Avoidance (TCAS) and Enhanced Mode S systems.

ST01972CH 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 757-200 Series. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Boeing 757-200 SeriesA2NM

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Boeing 757-200 Series model, serial range, and configuration?
  2. 02Which load analysis, wiring changes, protection, and limitations 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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