SPADs and Safety Critical Communications
Clear spoken safety critical communications can help reduce SPAD risk. Communication issues were found to have caused, or contributed, to 17% of SPAD incidents. This article looks at some of these issues and examines how the idea of a ‘contract’ can help strengthen safety critical communications.
The following are some examples of how mis-communications can contribute to a SPAD (adapted from RSSB T1128 and RSSB’s “Review of causes behind an increase in signals passed at danger occurring in Period 3 2018”):