Communications Standards

The following documents define safety critical communications for rail safety workers including the structure and protocols to be used, the skills needed for competent performance and the use of the Professional, Accurate, Clear and Concise (PACC) principles.

Please note that once you have printed any of these documents it is an uncontrolled copy and valid only for the day on which it was printed. Please return to this website to verify content.

Title Last Updated Version
OPE-PR-043 ARTC Network Communications Standard 20/09/2020 1.0
PACC Principle – Personal Behavourial Statements
PACC Principle – Phonetic Alphabet and Spoken Numbers
PACC Principle – Standard Terms and Message Breakdown

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