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Engine and powerplant

STC SA5839NM

FAA DRS lists SA5839NM as Current · Amended, held by Federal Express Corp, for Boeing 727-200 Series. Recorded change: Installation of engine inlet and exhaust noise attenuation treatment including incorporation of respaced inlet guide vanes, exhaust gas internal mixers, acoustic spacers, and either increased area tailpipes or standard tailpipes. Snapshot dated June 30, 2026.

FAA-listed holder
Federal Express Corp
Aircraft configurations
1
FAA revision date
FAA status
Current · Amended

Recorded modification

What the FAA record covers

Installation of engine inlet and exhaust noise attenuation treatment including incorporation of respaced inlet guide vanes, exhaust gas internal mixers, acoustic spacers, and either increased area tailpipes or standard tailpipes.

SA5839NM 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: Boeing 727-200 Series. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Boeing 727-200 SeriesA3WE

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Boeing 727-200 Series 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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