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.
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
Related other aircraft modifications STCs
Installation of Pratt & Whitney Canada PT6A-61Engines and Hartzell (Raisbeck) HC-D4N3A/D9383K-1 Propellers.
FAA holder: Blackhawk Modifications Inc.
Incorporate an alternate gear box stud installation.
FAA holder: Jet Avion Corporation
Installation of an oil filler cap safety adapter.
FAA holder: Jet Avion Corporation