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Regulatory Article 4255
RA 4255 - Electrical Bonding and Earthing of Aircraft and
Associated Ground Support Equipment (GSE)
Rationale
Electrical bonding and earthing of Aircraft and associated GSE prevents the build-up
of electrostatic charges in equipment frames rising to dangerous voltages under fault
conditions or, in alternating current systems, out-of-balance currents flowing in neutral
lines.
Contents
4255(1): Electrical Bonding and Earthing of Aircraft and
Associated Ground Support Equipment (GSE)
Regulation
4255(1)
Electrical Bonding and Earthing of Aircraft and Associated Ground
Support Equipment (GSE)
4255(1) All parts of an Aircraft and its associated GSE shall be
electrically connected to earth prior to and during
maintenance operations.
Acceptable 1.
Means of
Compliance
4255(1)
Guidance
Material
4255(1)
2.
6.4.
RA 4255 Initial Issue
Acceptable Means of Compliance is contained within MAP Chapter 6.4.
Guidance Material and associated processes are contained within MAP Chapter
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Regulatory Article
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RA Initial Issue