Replacement 2-inch Standby Altimeter and Attitude Indicator!

STC Number ST00138DE authorizes the replacement RVSM Standby Altimeter Fix and Attitude Indicator Replacement Approved for Learjets.


One Aero Plaza, New Century, KS 66031

Working Hours

Weekdays: 08:00am – 5:00pm

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Elevating Service and Excellence

Avionics Services

Avionics Installations: Upgrade aircraft with the latest in avionics and special mission technology.

System Integrations: Integration services enhance functionality and performance.

Repair and Overhaul: Specialized repair services and complete overhauls.

Supplemental Type Certificate Support: Assistance in expanding airplane capabilities within regulatory frameworks.

Let’s Elevate Your Cockpit!

FAA / EASA Repair Station

Federal Aviation Administration Certified Repair Station No. TF2R185L. European Union Aviation Safety Agency Repair Station No. EASA.145.6557

STC Acquisition

Butler Avionics STC solutions to satisfy regulatory demands.

Focused Expertise

Depth of knowledge in King Air and Learjet avionics, modifications, troubleshooting, and services.


Learjet Autopilots

Supplemental Type Certificates

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