STC SH581NW
FAA DRS lists SH581NW as Current · Reissued, held by Erickson Air Crane Inc. dba Erickson Air-Crane, for Erickson Air-Crane S-64F and Sikorsky Aircraft S-64E. Recorded change: Installation of a hydraulic hand pump on the rotor brake system. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
Installation of a hydraulic hand pump on the rotor brake system.
SH581NW 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: Erickson Air-Crane S-64F and Sikorsky Aircraft S-64E. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks
Confirm before sourcing
- 01Does it cover the exact Erickson Air-Crane S-64F and Sikorsky Aircraft S-64E model, serial range, and configuration?
- 02Which gear, wheel, brake, tire, and hydraulic configurations apply?
- 03Who can legally supply the design data, kit, instructions, and ICAs?
- 04What parts, labor, conformity, and return-to-service work are excluded?
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Installation of tail wheel adapter ring.
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Installation of wheel fairings. STC SH1651GL must be installed prior to this STC.
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