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Other aircraft modifications

STC SA09458AC-D

FAA DRS lists SA09458AC-D as Current · Issued, held by S-TEC Corporation, for Cessna Aircraft 310L, Cessna Aircraft 310I, and Cessna Aircraft 310J, and 9 more aircraft configurations. Recorded change: Installation of S-TEC System 40X/50X Single and Two Axis Automatic Flight Guidance Systems, Model ST-790-40X/50X. Snapshot dated June 30, 2026.

FAA-listed holder
S-TEC Corporation
Aircraft configurations
12
FAA revision date
FAA status
Current · Issued

Recorded modification

What the FAA record covers

Installation of S-TEC System 40X/50X Single and Two Axis Automatic Flight Guidance Systems, Model ST-790-40X/50X.

SA09458AC-D 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: Cessna Aircraft 310L, Cessna Aircraft 310I, and Cessna Aircraft 310J, and 9 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Cessna Aircraft 310L3A10Cessna Aircraft 310I3A10Cessna Aircraft 310J3A10Cessna Aircraft E310J3A10Cessna Aircraft 310N3A10Cessna Aircraft 310P3A10Cessna Aircraft T310P3A10Cessna Aircraft 310Q3A10Cessna Aircraft T310Q3A10Cessna Aircraft 310R3A10Cessna Aircraft T310R3A10Cessna Aircraft 310K3A10

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Cessna Aircraft 310L and Cessna Aircraft 310I, and 10 more aircraft configurations 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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