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Safety and emergency equipment

STC ST00361WI

FAA DRS lists ST00361WI as Current · Reissued, held by Textron Aviation Inc., for Textron Aviation S550. Recorded change: Installation of the AlliedSignal (Sundstrand) MARK VI Ground Proximity Warning System. Snapshot dated June 30, 2026.

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

Recorded modification

What the FAA record covers

Installation of the AlliedSignal (Sundstrand) MARK VI Ground Proximity Warning System.

ST00361WI 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: Textron Aviation S550. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Textron Aviation S550A22CE

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Textron Aviation S550 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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