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Other aircraft modifications

STC SA4-1645

FAA DRS lists SA4-1645 as Current · Reissued, held by SOUTHWESTERN AERO EXCHANGE INC., for Raytheon Aircraft TC-45G, Raytheon Aircraft H18, and Raytheon Aircraft G18S, and 12 more aircraft configurations. Recorded change: Installation of Stewart-Warner Model 8259-A heater. Snapshot dated June 30, 2026.

FAA-listed holder
SOUTHWESTERN AERO EXCHANGE INC.
Aircraft configurations
15
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Installation of Stewart-Warner Model 8259-A heater.

SA4-1645 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: Raytheon Aircraft TC-45G, Raytheon Aircraft H18, and Raytheon Aircraft G18S, and 12 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Raytheon Aircraft TC-45GA-765Raytheon Aircraft H18A-765Raytheon Aircraft G18SA-765Raytheon Aircraft E18S-9700A-765
Raytheon Aircraft C-45 SeriesA-765
Raytheon Aircraft 18 SeriesA-765
Raytheon Aircraft JRB-6A-765Raytheon Aircraft UC-45J (SNB-5)A-765Raytheon Aircraft TC-45JA-765Raytheon Aircraft TC-45HA-765Raytheon Aircraft C-45HA-765Raytheon Aircraft E18SA-765Raytheon Aircraft C-45GA-765Raytheon Aircraft D18SA-765Raytheon Aircraft D18CA-765

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Raytheon Aircraft TC-45G and Raytheon Aircraft H18, and 13 more aircraft configurations 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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