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Other aircraft modifications

STC ST01157WI

FAA DRS lists ST01157WI as Current · Issued, held by Duncan Aviation Inc, for Learjet 35A (C-21A). Recorded change: Installation of an L-3 Communications F1000 Solid State Flight Data Recorder (SSFDR) System. Snapshot dated June 30, 2026.

FAA-listed holder
Duncan Aviation Inc
Aircraft configurations
1
FAA revision date
FAA status
Current · Issued

Recorded modification

What the FAA record covers

Installation of an L-3 Communications F1000 Solid State Flight Data Recorder (SSFDR) System.

ST01157WI 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: Learjet 35A (C-21A). Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Learjet 35A (C-21A)A10CE

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Learjet 35A (C-21A) 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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