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Avionics

STC SA857NW

FAA DRS lists SA857NW as Current · Reissued, held by Honeywell International Inc, for Boeing 747-100 Series, Boeing 727-100 Series, and Boeing 727-200 Series. Recorded change: Installation of Sundstrand performance advisory display(SPAD) system. Snapshot dated June 30, 2026.

FAA-listed holder
Honeywell International Inc
Aircraft configurations
3
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Installation of Sundstrand performance advisory display(SPAD) system.

SA857NW 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 747-100 Series, Boeing 727-100 Series, and Boeing 727-200 Series. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Boeing 747-100 SeriesA20WEBoeing 727-100 SeriesA3WEBoeing 727-200 SeriesA3WE

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Boeing 747-100 Series and Boeing 727-100 Series, and 1 more aircraft configuration model, serial range, and configuration?
  2. 02Which part numbers, software versions, interfaces, and manual changes 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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