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Recent News

EWIS RAT Patented!

Lectromec recently received notification that the EWIS RAT and associated technologies have received a patent through the US Patent Office.

Lectromec looks forward to advancing these technologies to provide increased analysis capabilities for both new and existing aircraft systems.

NEW Arc Track Testers Now Available

Lectromec now has available the LEC1001 Six Station Wet Arc track test system. Click here to find out more.

Lectromec at the Aging Aircraft Conference

Lectromec presented a paper at the 2009 Aging Aircraft Conference on "Arcing Damage to Aircraft Components and Wire at a Distance". This will be posted on here within the next month.

EWIS RAT

Lectromec has developed an Electrical Wire Interconnect Systems Risk Assessment Tool (EWIS RATTM) (Patent Pending) designed as package for aircraft manufacturers. The target of the RATTM is to simplify the process of analyzing the EWIS hazards, potential damage to structure, flammability issues, as well as provide type certification automation capabilities for aircraft electrical systems. This tool and methodology introduce a fresh perspective to the maintenance and upkeep of Electrical Wire Interconnect System (EWIS). Problems and malfunctions of the wiring systems are broken down into categories, each identifying specific levels on which malfunctions can occur and to what degree of severity. This can an affective way to help address those needs that are a part of FAA rule 25.1709 (formerly 25.1705).

FAA Rule 25.1709 requires:
"Each EWIS must be designed and installed so that:
(a) Each catastrophic failure condition
(1) Is extremely improbable; and
(2) Does not result from a single failure.
(b) Each hazardous failure condition is extremely remote."

Because Lectromec has been working on defining methods for resolution of FAA 25.1709 for the last eight years, we understand what is to be expected. In aiding in the definition of the problem, Lectromec has a unique comprehension of the requirements for FAA 25.1709. In the two part video below, a brief overview of some EWIS RAT features are defined. When watching these videos, ask yourself if your organization has identified those design modifications necessary for compliance with 25.1709. Ask yourself if the years of EWIS knowledge of Lectromec would be useful in ensuring on-time delivery of EWIS certification. Lastly, ask yourself if the 8 years of effort in the development of the EWIS RAT™ and 24 years of wire damage risk analysis by the Lectromechanical Design Company can be cost-effectively achieved by your organization.

The RAT(TM) facilitates evaluation of a particular wiring layout. Evaluation can be done during original design to assure adequate separation and segregation of aircraft wiring, thereby minimizing the potential for single point failure. The tool can also be used for assessing the safety of modifications to the original layout, as might be the case in the supplemental type certificate (STC) process.

How does it work?

As all organizations have different methods for data storage and maintenance, Lectromec believes that the most efficient means of developing the documentation is for Lectromec to important, manipulate, translate and modify the data such that it can be entered into the EWIS RAT.

This is designed as a 'turn-key' operation; one in which the data is provided to Lectromec and Lectromec will do all that is necessary to integrate the data properly.

Lectromec will work with your organization, in the development of the documentation necessary to meet the requirements of EWIS certification. Lectromec will work with your planning teams to understand the particular characteristics of your design system and generate a timeline upon which the EWIS certification documents will be generated.

The best time to start the integration of the EWIS RAT system is as early in the design process as possible. Since the requirements of EWIS certification are new, there are a number of concepts that should be integrated early such that they not only are integrated into the current design, but help engineers understand the requirements and explore how the process can be improved in future design projects.

To find out more about the EWIS RAT, contact Lectromec today.