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MIL-HDBK

MIL-HDBK-454 handbook guidelines for EWIS components

Carina Cannon
This article covers eight out of the 78 military guidelines from the General Guidelines for Electronic Equipment handbook (MIL-HDBK-454) applicable to wire system component testing, EWIS component selection, and good wiring practices. The handbook covers guidelines for the selection, handling, and application of electronic equipment on aircraft. Read more

EWIS: A 13-minute summary of MIL-HDBK-525

Michael Traskos
This Lectromec presentation provides a brief summary of MIL-HDBK-525, “Electrical Wiring Interconnect System (EWIS) Integrity Program.” It provides a starting point for those involved in Mechanical Equipment and Subsystems Integrity Program (MECSIP) or those new to the EWIS service life extension efforts. This fifteen minute presentation is a good description of Electrical Wire Interconnect Systems […] Read more

The “Big 3” aircraft wire system degradation assessment options

Michael Traskos
If you have concerns about aircraft wire system degradation and need to assess the condition of an aircraft’s wire system, there are several options. For those looking for opens and shorts type faults, HiPot and/or Time Domain Relectometer (TDR) equipment are great options. To determine the impact of wire problems with the fleet, maintenance logs […] 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

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