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Engine and powerplant

STC SA5684NM

FAA DRS lists SA5684NM as Current · Reissued, held by McHugh Aviation Inc, for Sky Enterprises RC-3. Recorded change: Installation of Lycoming GSO/IGSO-480 engine; Hartzell HC-A3V20 propeller; new nacelle and engine mount; modified front and rear spar and aft firewall; and associated systems. Snapshot dated June 30, 2026.

FAA-listed holder
McHugh Aviation Inc
Aircraft configurations
1
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Installation of Lycoming GSO/IGSO-480 engine; Hartzell HC-A3V20 propeller; new nacelle and engine mount; modified front and rear spar and aft firewall; and associated systems.

SA5684NM 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: Sky Enterprises RC-3. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Sky Enterprises RC-3A-769

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Sky Enterprises RC-3 model, serial range, and configuration?
  2. 02Which powerplant configuration, limits, instruments, and maintenance data 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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