Avionics News April 2012 - 44

AirCrAft eleCtriCAl wiriNg
Continued from page 42

airplane electrical wiring systems, while ASTM F2696-08 and F279909 cover inspection and maintenance of aircraft electrical wiring systems, respectively. They’re copyrighted and can be purchased on the ASTM website. While they cover much of the same material as AC 43.13-1B, the ASTM documents are more up to date, using the FAA’s EWIS acronym, and covering some topics in more detail. For example, ASTM F2696-08 includes a section on inspecting high intensity radiated field protection systems. The

ASTM standards also cover issues, such as substituting standard wiring when the manufacturer does not have a standard wiring reference manual (common in general aviation aircraft), while AC 43.13-1B instructs the maintainer to contact the original aircraft manufacturer “for an acceptable replacement.” Substitutions can only go so far – ASTM F2799-09 notes that older aircraft may have wire bundles using obsolete color sequences, but changing the sequence constitutes an alteration. Some topics are not covered in any of the available standards – none of the standards mentioned

above contains any mention of time-domain reflectometers, which are increasingly used to find aircraft wiring faults. They’re particularly valuable in larger aircraft, which can have miles of wire and cable that are inaccessible to visual inspection. AEA members have online training available, including an excellent presentation by Ric Peri, AEA vice president of government and industry affairs, on aircraft wiring inspections and alterations. It includes real-world examples and practical advice – simply visit the training and education portion of the AEA website. q

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Avionics News April 2012

Table of Contents for the Digital Edition of Avionics News April 2012

Point of Communication
AEA Now
The View from Washington
International News and Regulatory Updates
Datalink Weather
Member Profile
Where Are They Now?
Before & After
Phoebe Fairgrave Omlie
A Conversation With...
Aircraft Electrical Wiring
Meet the AEA Staff
Member Profile
The AEA Ambassador Program
Business Basics
Pro-to-col
Industry Profile
Theory & Practice
What's New
Marketplace Classifieds
Avionics News April 2012 - Cover1
Avionics News April 2012 - Cover2
Avionics News April 2012 - 1
Avionics News April 2012 - 2
Avionics News April 2012 - 3
Avionics News April 2012 - Point of Communication
Avionics News April 2012 - 5
Avionics News April 2012 - AEA Now
Avionics News April 2012 - 7
Avionics News April 2012 - 8
Avionics News April 2012 - 9
Avionics News April 2012 - 10
Avionics News April 2012 - 11
Avionics News April 2012 - 12
Avionics News April 2012 - 13
Avionics News April 2012 - 14
Avionics News April 2012 - 15
Avionics News April 2012 - The View from Washington
Avionics News April 2012 - 17
Avionics News April 2012 - International News and Regulatory Updates
Avionics News April 2012 - 19
Avionics News April 2012 - Datalink Weather
Avionics News April 2012 - 21
Avionics News April 2012 - 22
Avionics News April 2012 - 23
Avionics News April 2012 - Member Profile
Avionics News April 2012 - 25
Avionics News April 2012 - 26
Avionics News April 2012 - 27
Avionics News April 2012 - Where Are They Now?
Avionics News April 2012 - 29
Avionics News April 2012 - 30
Avionics News April 2012 - 31
Avionics News April 2012 - 32
Avionics News April 2012 - Before & After
Avionics News April 2012 - Phoebe Fairgrave Omlie
Avionics News April 2012 - 35
Avionics News April 2012 - 36
Avionics News April 2012 - 37
Avionics News April 2012 - A Conversation With...
Avionics News April 2012 - 39
Avionics News April 2012 - Aircraft Electrical Wiring
Avionics News April 2012 - 41
Avionics News April 2012 - 42
Avionics News April 2012 - 43
Avionics News April 2012 - 44
Avionics News April 2012 - 45
Avionics News April 2012 - Meet the AEA Staff
Avionics News April 2012 - 47
Avionics News April 2012 - 48
Avionics News April 2012 - 49
Avionics News April 2012 - Member Profile
Avionics News April 2012 - 51
Avionics News April 2012 - 52
Avionics News April 2012 - 53
Avionics News April 2012 - The AEA Ambassador Program
Avionics News April 2012 - 55
Avionics News April 2012 - 56
Avionics News April 2012 - 57
Avionics News April 2012 - 58
Avionics News April 2012 - 59
Avionics News April 2012 - Business Basics
Avionics News April 2012 - 61
Avionics News April 2012 - 62
Avionics News April 2012 - 63
Avionics News April 2012 - 64
Avionics News April 2012 - 65
Avionics News April 2012 - Pro-to-col
Avionics News April 2012 - 67
Avionics News April 2012 - 68
Avionics News April 2012 - 69
Avionics News April 2012 - Industry Profile
Avionics News April 2012 - 71
Avionics News April 2012 - 72
Avionics News April 2012 - 73
Avionics News April 2012 - Theory & Practice
Avionics News April 2012 - 75
Avionics News April 2012 - 76
Avionics News April 2012 - 77
Avionics News April 2012 - 78
Avionics News April 2012 - 79
Avionics News April 2012 - What's New
Avionics News April 2012 - 81
Avionics News April 2012 - 82
Avionics News April 2012 - 83
Avionics News April 2012 - 84
Avionics News April 2012 - 85
Avionics News April 2012 - Marketplace Classifieds
Avionics News April 2012 - 87
Avionics News April 2012 - 88
Avionics News April 2012 - Cover3
Avionics News April 2012 - Cover4
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