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Other aircraft modifications

STC SH586EA

FAA DRS lists SH586EA as Current · Reissued, held by Schweizer RSG LLC, for Sikorsky Aircraft 269A-1, Sikorsky Aircraft 269A, and Sikorsky Aircraft 269B, and 1 more aircraft configuration. Recorded change: Installation of Hartzell Anti-Overspeed kits (D-3520-1 and D-3520-2). Snapshot dated June 30, 2026.

FAA-listed holder
Schweizer RSG LLC
Aircraft configurations
4
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Installation of Hartzell Anti-Overspeed kits (D-3520-1 and D-3520-2).

SH586EA 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: Sikorsky Aircraft 269A-1, Sikorsky Aircraft 269A, and Sikorsky Aircraft 269B, and 1 more aircraft configuration. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Sikorsky Aircraft 269A-14H12Sikorsky Aircraft 269A4H12Sikorsky Aircraft 269B4H12Sikorsky Aircraft 269C4H12

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Sikorsky Aircraft 269A-1 and Sikorsky Aircraft 269A, and 2 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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