STC SA2-537
FAA DRS lists SA2-537 as Current · Reissued, held by Signature Flight Support Corporation, for Lockheed Martin Aeronautics 18. Recorded change: Installation of airspeed system. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
Installation of airspeed system.
SA2-537 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 Martin Aeronautics 18. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks
Confirm before sourcing
- 01Does it cover the exact Lockheed Martin Aeronautics 18 model, serial range, and configuration?
- 02Which limits, loading assumptions, performance data, and supplements apply?
- 03Who can legally supply the design data, kit, instructions, and ICAs?
- 04What parts, labor, conformity, and return-to-service work are excluded?
Related aircraft performance STCs
Operated in accordance with the Supplement to United Parcel Service (UPS) Airlines Weight and Balance Manual TTF-16T004-20-1 Revision A, dated October 31, 2017 as listed on the AML.
FAA holder: United Parcel Service Company
Increase Maximum Gross weight to 4011 pounds for Normal Category operations.
FAA holder: General Aviation Modifications Inc.
Installation instructions for Gross Weight Increase.
FAA holder: Air Plains Services Corporation