STC ST00581WI
FAA DRS lists ST00581WI as Current · Amended, held by Duncan Aviation Inc, for Learjet Learjet 55, Learjet Learjet 55C, and Learjet Learjet 55B. Recorded change: Installation of AlliedSignal MK-VII Ground Proximity and Windshear Warning System. Snapshot dated June 30, 2026.
FAA-listed holder
Aircraft configurations
3
FAA revision date
FAA status
Current · Amended
Recorded modification
What the FAA record covers
ST00581WI 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 Learjet 55, Learjet Learjet 55C, and Learjet Learjet 55B. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks