ED Decision 2025/007/R
ACCEPTABLE CONDITION OF A GH MANUAL
The acceptable condition of a GH manual implies the following criteria, considering human factors principles. The list is not exhaustive:
(a) It is legible, the layout is clear and the content is organised in a logical way.
(b) The text and pictures, diagrams or charts are unambiguous, leaving no room for interpretation.
(c) The language is concise, coherent and easy to understand.
(d) Abbreviations and acronyms are spelled out in a list in the document in which they are used.
(e) Charts and diagrams are clear and easy to follow.
(f) If colour codes are used, they are explained in the manual and clearly differentiated.
(g) If any parts of the GH manual are translated, the translations do not contain operational errors that may jeopardise safety and they are up to date.
(h) Symbols are explained.
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