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Other aircraft modifications

STC SR04483CH

FAA DRS lists SR04483CH as Current · Issued, held by National Aircraft Service Inc. (NASI), for Centerpointe Aerospace S-58A, Centerpointe Aerospace S-58B, and Centerpointe Aerospace S-58BT, and 20 more aircraft configurations. Recorded change: Installation of NASI NREM18M Air Conditioning Module. Snapshot dated June 30, 2026.

FAA-listed holder
National Aircraft Service Inc. (NASI)
Aircraft configurations
23
FAA revision date
FAA status
Current · Issued

Recorded modification

What the FAA record covers

Installation of NASI NREM18M Air Conditioning Module.

SR04483CH 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: Centerpointe Aerospace S-58A, Centerpointe Aerospace S-58B, and Centerpointe Aerospace S-58BT, and 20 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Centerpointe Aerospace S-58A1H11
Centerpointe Aerospace S-58B1H11
Centerpointe Aerospace S-58BT1H11
Centerpointe Aerospace S-58C1H11
Centerpointe Aerospace S-58D1H11
Centerpointe Aerospace S-58DT1H11
Centerpointe Aerospace S-58E1H11
Centerpointe Aerospace S-58ET1H11
Centerpointe Aerospace S-58F1H11
Centerpointe Aerospace S-58FT1H11
Centerpointe Aerospace S-58G1H11
Centerpointe Aerospace S-58H1H11
Centerpointe Aerospace S-58HT1H11
Centerpointe Aerospace S-58J1H11
Centerpointe Aerospace S-58JT1H11
Sikorsky Aircraft S-61L1H15Sikorsky Aircraft S-61N1H15Sikorsky Aircraft S-61NM1H15Sikorsky Aircraft S-61R1H15Sikorsky Aircraft S-61AH2EASikorsky Aircraft S-61DH2EASikorsky Aircraft S-61EH2EASikorsky Aircraft S-61VH2EA

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Centerpointe Aerospace S-58A and Centerpointe Aerospace S-58B, and 21 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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