CVM™
SMART sensor solutions

Airframe Crack Detection Compliance

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Reliable at-the-gate crack inspections

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Increased incremental flying time revenue

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In-Situ Non-Destructive Maintenance

Why CVM™?

LESS DOWNTIME MEANS MORE FLIGHT revenue

Comparative Vacuum Monitoring (CVM™) smart sensors significantly reduce the time and labor maintenance crews spend monitoring and inspecting airframes for cracks. In what used to take days in the hangar now takes minutes at the gate.

Revolutionize your maintenance program and replace costly inspections at heavy and out-of-sequence checks, and restore thousands of flight hours back to the network across your entire commercial fleet each year.

CVM™ is the first FAA certified, non-destructive, failsafe at-the-gate structural monitoring solution for achieving condition-based maintenance.

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Replace hangar time with at-the-gate inspections

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Restore valuable flight hours to the network

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Shift to condition-based maintenance programs

Certifications

APPLICATION	CERTIFICATION	AIRFRAMES
Aft Pressure Bulkhead Installation and Inspection Using CVM™	Service Bulletin (Pending)	B737NG: (737-600, 737-700, 737-800, 737-900)
Center Wing Box, Front Spar Shear Fitting Inspection Using CVM™	737-57-1309 Rev 1	B737NG: (737-600, 737-700, 737-800, 737-900)
Intelsat (Gogo) Wi-Fi Antenna CVM™ Installation	FAA STC ST04103NY	B737-800 Series

*The FAA published an Issue Paper (IP) on Structural Health Monitoring that identifies the use of CVM™ to reliably detect airframe damage for compliance. The IP, in conjunction with our pending APB certifications, pave the way for future aircraft applications.

CVM^TM Sensors Generate Significant Value for Airlines

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CONDITIONS-BASED MAINTENANCE

Ground-breaking technology to broaden the maintenance program, shrink the maintenance footprint and give significant ‘green time’ back to the operator.

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ENGINEERING

Allows engineers to effectively mitigate impact of future Service Bulletins, FCDs, and new fatigue areas. Sensors can be designed and adapted to monitor almost any surface area of concern.

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MAINTENANCE ADAPTABILITY

No time wasted. Work card becomes easily managed. Future changes and updates enhance the maintenance program in many ways.

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MAINTENANCE PLANNING

Allows planning to connect to the aircraft without impacts to flight or maintenance operations. Enhances flexibility of high-frequency, low-impact inspections. Saves time, and reduces workload conflict, and improves the general flow of the visit.

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QUALITY CONTROL

Eliminates false negatives. It’s a ‘go/no-go’ gauge when it comes to structures. No sample calibration mishaps; no tight areas for probe position. Virtually eliminates human error during inspections.

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SAFETY

Enables elevated inspection frequencies, with little to no impact on the day-to-day operations. Eliminates false negative readings, removing the significant rework of and open-up for no crack verification and compliance.

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Flight Hours Restored

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Flight Days Gained

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Labor Hours Avoided

projected annual APB application Benefits across 737NG fleet of 71 aircraft

Source: Delta Airlines

HOW DOES IT WORK?

CVM™ technology involves installing smart sensors to vulnerable airframe structure where damage is anticipated to occur. Using a PM200 hand-held diagnostics device, maintenance staff simply connect to the aircraft’s CVM™ sensor arrays to monitor and detect if surface imperfections exist or if there’s a loss in structural integrity.

Confirming airworthiness has never been easier

Install

CVM^TM sensors are typically installed on hard-to-access structures of an airframe where fatigue is expected or inspections are required.

Connect

The array of sensors connect to a socket installed in an accessible location on the aircraft for easy periodic inspection with the handheld diagnostics device at required intervals.

Test

The device applies vacuum pressure to the sensors in a 10-15 minute test. If vacuum is maintained, no crack exists. Otherwise a crack may exist and further investigation is required.

Analyze

The diagnostics device stores all test results for easy data access and export.

Industry Insights

DAVID PIOTROWSKI

Delta Air Lines

Senior Principal Engineer

CVM™ could be an airframe maintenance game changer, moving unscheduled actions to scheduled maintenance.

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Inside MRO

Structural Monitoring Systems

Structural Health Sensors Come Of Age

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News

Comparative Vacuum Monitoring (CVM™) smart sensors installed on Delta Air Lines B737 aircraft.

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