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EWIS regulatory compliance with 25.1707, Part II

Michael Traskos
This is the second article in a series on EWIS Regulatory Compliance. The series is looking at the individual components of the Federal Aviation Administration (FAA) EWIS regulations 25.1707. The first article covered section ‘a’ of the regulations. Continuing the examination of the FAA EWIS separation requirements detailed in 25.1707, this article examines the next […] Read more

EWIS regulatory compliance with 25.1707, Part I

Michael Traskos
We will start a series of articles on EWIS Regulatory Compliance. The next couple of articles will discuss some of the finer points of the Federal Aviation Administration (FAA) regulations 25.1707 – System Separation: Electrical Wire Interconnection System (EWIS). Each of these articles will go through an example of an unacceptable scenario and the means to […] Read more

MIL-HDBK-525 EWIS overview: Task 6 — Action plan, Part II

Michael Traskos
This is a series on MIL-HDBK-525 EWIS overview.  The eighth article in the series Electrical Wire Interconnection Systems (EWIS) Service Life Extension Programs (SLEPs), discusses the Enhanced Zonal Analysis Procedures (EZAP) process, which aims to improve maintenance and inspection programs for all EWIS components. The EZAP process tailors the frequency of inspections based on the […] Read more

MIL-HDBK-525 EWIS overview: Task 6 — Action plan, Part I

Michael Traskos
This is a series on MIL-HDBK-525 EWIS Overview. The seventh article in the series on Electrical Wire Interconnection Systems (EWIS) Service Life Extension Programs (SLEPs) develops an action plan and mitigation techniques based on the EWIS risk assessment (Task 5). If you missed any of the articles, here are the links to the previous ones: […] Read more

F-22 crash and aircraft electrical arcing

Michael Traskos
In a report that was released August 2013 by the USAF, the results of a Lockheed Martin F-22 aircraft crash point to a chaffed power feeder cable as the likely cause of failure. On November 15, 2012, the F-22, attempting to return to base, crashed just short of a runway in Florida. The crash resulted […] Read more

MIL-HDBK-525 EWIS overview: Task 5 — Risk assessment

Michael Traskos
We are presenting an EWIS overview.  This is the sixth article in the series on Electrical Wire Interconnection System (EWIS) Service Life Extension Programs (SLEPs).  If you missed one, here are the links to be previous articles: MIL-HDBK-525 Overview MIL-HDBK-525 Overview – Task 1: EWIS Documentation MIL-HDBK-525 Overview – Task 2: Data Analysis MIL-HDBK-525 Overview […] Read more

MIL-HDBK-525 EWIS overview: Task 4 — Component assessment

Michael Traskos
This is a series that will give you a good EWIS overview.  This article is the fifth in the series devoted to reviewing the guidance provided in MIL-HDBK-525 for Electrical Wire Interconnection System (EWIS) Service Life Extension Programs (SLEPs). If you missed one, here are the links to be previous articles: MIL-HDBK-525 Overview MIL-HDBK-525 Overview […] Read more

MIL-HDBK-525 EWIS overview: Task 3 — EWIS assessment

Carina Cannon
This is a series that will give you an EWIS overview.  This article is the fourth in the series devoted to reviewing the guidance provided in MIL-HDBK-525 for Electrical Wire Interconnection System (EWIS) Service Life Extension Programs (SLEPs). If you missed one, here are the links to be previous articles: MIL-HDBK-525 Overview MIL-HDBK-525 Overview – […] Read more

MIL-HDBK-525 EWIS overview: Task 2 — Task analysis for EWIS

Carina Cannon
In order to get a better understanding of wire degradation,  this is a good view of task analysis for EWIS.  This article discusses the second task “Data Analysis” in the series on EWIS Service Life Extension Program (SLEP). This is based on the new guidance developed by the USAF for the sustainment of aging aircraft […] Read more

MIL-HDBK-525 EWIS overview: Task 1 — EWIS documentation

Michael Traskos
This series on EWIS Service Life Extension Program (SLEP) risk assessment techniques discusses the implications and ideas contained in the EWIS handbook MIL-HDBK-525; an overview of the handbook objectives was covered in the MIL-HDBK-525 Overview for Service Life Extension article. Each article in this series will review a task or a subtask within the EWIS […] Read more