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Safety and emergency equipment

STC SA2574SO

FAA DRS lists SA2574SO as Current · Surrendered, held by Kosola & Associates Inc, for McDonnell Douglas DC-9-30 Series. Recorded change: Installation of a Floor Proximity Emergency Escape Path Marking system. Snapshot dated June 30, 2026.

FAA-listed holder
Kosola & Associates Inc
Aircraft configurations
1
FAA revision date
FAA status
Current · Surrendered

Recorded modification

What the FAA record covers

Installation of a Floor Proximity Emergency Escape Path Marking system.

SA2574SO 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: McDonnell Douglas DC-9-30 Series. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

McDonnell Douglas DC-9-30 SeriesA6WE

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact McDonnell Douglas DC-9-30 Series model, serial range, and configuration?
  2. 02Which equipment, inspection intervals, procedures, and limitations 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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