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Engine and powerplant

STC ST04233AT

FAA DRS lists ST04233AT as Current · Issued, held by Quiet Technology Aerospace, for Learjet 60. Recorded change: Replacement of the inner aluminum barrel of the engine inlet cowl, with an inlet barrel of carbon graphite sandwich construction, to provide a solution for in-service corrosion. Snapshot dated June 30, 2026.

FAA-listed holder
Quiet Technology Aerospace
Aircraft configurations
1
FAA revision date
FAA status
Current · Issued

Recorded modification

What the FAA record covers

ST04233AT 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 60. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Learjet 60A10CE

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