Ultrasonic GSTE
Ultrasonic fault isolation for aviation maintenance. Find leaks, electrical arcing, and mechanical faults faster, safely, and without disassembly.
Built for Boeing Procedures.
Trusted on the Flightline.
The CTRL UL101 (P/N B00033) is referenced for ultrasonic maintenance applications on Boeing commercial jet aircraft.
ROI · Under 60 min · borescope-and-swap of all 18 nozzles avoided
ROI · $6,480 saved · 108% ROI on a single incident
ROI · Nitrogen leak located · AOG + specialist dispatch avoided
ROI · $74,400 saved · 1,078% ROI · troubleshoot 96h → 36h
Cutting-edge ultrasonic and acoustic imaging solutions designed for the unique challenges of aviation maintenance.

Our advanced diagnostic software utilizes cutting-edge technology to analyze data collected wirelessly from the UL101, providing real-time comparison between aircraft components and offering accurate insights into health and performance.

Case Study: Boeing 737 MAX — CFM LEAP Engine
Rapidly identify fuel nozzle leaks on CFM56 and LEAP engines using ultrasound. The UL101 Troubleshooter (B00033) reduces diagnostic time to under 60 minutes, eliminating borescope requirements and preventing unnecessary replacement of multiple components.

Case Study: Boeing 737-700 — Flap Control & Bypass Valves
Acoustically isolate faulty flap control valves, bypass valves, and solenoids before replacing major components. On a Boeing 737-700 flap-speed defect, a MOC team used the UL101 with a solid probe to compare sound signatures — a good valve was silent, while the faulty bypass valve was unmistakably loud. Targeted diagnosis put the aircraft back in service the same day instead of an overnight AOG.
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Ready to revolutionize your aviation maintenance operations? Contact us today for a demo or quote.
Our team of aviation diagnostics experts is ready to help you find the perfect solution for your maintenance operations.
1004 Littlestown Pike, Suite H
Westminster, MD 21157

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