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Other aircraft modifications

STC ST508SO

FAA DRS lists ST508SO as Current · Surrendered, held by Aeronautical Engineers Inc, for Lockheed Aircraft 188A and Lockheed Aircraft 188C. Recorded change: Installation of lap/shoulder belts. Snapshot dated June 30, 2026.

FAA-listed holder
Aeronautical Engineers Inc
Aircraft configurations
2
FAA revision date
FAA status
Current · Surrendered

Recorded modification

What the FAA record covers

Installation of lap/shoulder belts.

ST508SO 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: Lockheed Aircraft 188A and Lockheed Aircraft 188C. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Lockheed Aircraft 188A4A22Lockheed Aircraft 188C4A22

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Lockheed Aircraft 188A and Lockheed Aircraft 188C model, serial range, and configuration?
  2. 02Which configuration, parts, installation data, limitations, and ICAs 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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