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CTRL Acoustic Ultrasound Commercial Aviation

Since 1989, CTRL has been designing, manufacturing, and integrating acoustic ultrasound solutions for our clients around the world.

Through CTRL's industry-leading acoustic ultrasound sensors, supported by comprehensive training and cloud-based data management SaaS, we help to improve and sustain our clients’ production reliability while reducing energy costs.



Acoustic Ultrasound in Commercial Aviation


The CTRL UL101 Aviation Troubleshooter, as Recommended in the Aircraft Maintenance Manual (AMM) for all Boeing Commercial Jet Aircraft.


The CTRL UL101 Aviation Troubleshooter, as Recommended in the Aircraft Maintenance Manual (AMM) for all Boeing Commercial Jet Aircraft CTRL Systems is proud to be vetted and approved for AOG and life cycle maintenance for all Boeing Commercial jet aircraft. The CTRL UL101 Aviation Troubleshooter (part number B00033; Boeing Tool Tag SPL-1473) is the ultrasound listening device (ULD) of choice for multiple maintenance applications, as published in the Aircraft Maintenance Manuals (AMMs) for all Boeing Commercial jet aircraft. Applications include:

  • Pressurization Leak Checks

  • Air Conditioning Leak Checks

  • Bleed Air Check (Engine & Airframe)

  • Hydraulic Bypassing

  • Pitot Static Check

  • Oxygen

  • Leak inspection of Evacuation Slides, Tires & Other Pressure Components




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