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Avionics

STC ST00090MC

FAA DRS lists ST00090MC as Current · Issued, held by King Aerospace Inc., for Viking Air DHC-7-1, Viking Air DHC-7-100, and Viking Air DHC-7-101, and 2 more aircraft configurations. Recorded change: Installation of a Raytheon APX-119 IFF Transponder System. Snapshot dated June 30, 2026.

FAA-listed holder
King Aerospace Inc.
Aircraft configurations
5
FAA revision date
FAA status
Current · Issued

Recorded modification

What the FAA record covers

Installation of a Raytheon APX-119 IFF Transponder System.

ST00090MC 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: Viking Air DHC-7-1, Viking Air DHC-7-100, and Viking Air DHC-7-101, and 2 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Viking Air DHC-7-1A20EAViking Air DHC-7-100A20EAViking Air DHC-7-101A20EAViking Air DHC-7-102A20EAViking Air DHC-7-103A20EA

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Viking Air DHC-7-1 and Viking Air DHC-7-100, and 3 more aircraft configurations 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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