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Other aircraft modifications

STC ST00410DE

FAA DRS lists ST00410DE as Current · Issued, held by West Star Aviation, for Learjet 55, Learjet 55B, and Learjet 55C. Recorded change: Installation of a bleed air modulating valve control. Snapshot dated June 30, 2026.

FAA-listed holder
West Star Aviation
Aircraft configurations
3
FAA revision date
FAA status
Current · Issued

Recorded modification

What the FAA record covers

Installation of a bleed air modulating valve control.

ST00410DE 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 55, Learjet 55B, and Learjet 55C. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Learjet 55A10CELearjet 55BA10CELearjet 55CA10CE

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Learjet 55 and Learjet 55B, and 1 more aircraft configuration 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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