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Other aircraft modifications

STC ST01733WI

FAA DRS lists ST01733WI as Current · Amended, held by Butler National Corporation, for Learjet 24, Learjet 24A, and Learjet 24B, and 8 more aircraft configurations. Recorded change: Installation of the Quiet Lear Hushkit or Avcon Noise Suppressor. Snapshot dated June 30, 2026.

Aircraft configurations
11
FAA revision date
FAA status
Current · Amended

Recorded modification

What the FAA record covers

ST01733WI 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 24, Learjet 24A, and Learjet 24B, and 8 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Buyer checks

Confirm before sourcing