Safety Critical Communications Flashcards
Which communications between front line staff are safety critical?
All communications between front line staff are safety critical.
How should safety critical communications be viewed?
As a contract between yourself and the other party.
In communications between a driver and a signaller, who is responsible for the conversation?
Both driver and signaller are equally responsible for ensuring good communications even though the signaller would take lead responsibility.
Operational performance always takes priority over safety.
True or false?
False. Safety should always be prioritised over operational performance.
What does the rail communication protocol ABC-P stand for?
Accurate
Brief
Clear
Professional
How should letters of the alphabet be communicated in safety critical communications?
By using the phonetic alphabet to help with clarity.
How should numbers be said when communicating?
Numbers must be said individually.
How must weights and measures be said when communicating?
Using natural language
Eg: one hundred miles
How is the number 0 pronounced when communicating?
Zero
How should times be communicated?
In 24 hour clock
How would you verbally say the time 09:00?
Zero nine-hundred hours
How would you verbally say the time that is midnight?
Twenty four hundred hours
How would you verbally say the time 19:30?
Nineteen thirty hours
What structure should be used when delivering a safety critical message?
Opening
Information
Actions
Confirmation
What does it mean to have lead responsibility in a conversation?
One person should lead the communication and ensure that a clear understanding is achieved.
Even if you are not the lead, you should always support the lead and do some of the leading if necessary.
What information needs to be included in the opening of a safety critical message?
Who you are and where you are
State your position (driver of headcode) and what you are doing (stood at x)
State your location by using signal numbers/ up and down information, Overhead line equipment numbers
Ensure that the signaller repeats back to you who you are and where you are.
What must come first in a safety critical communication, actions or information?
Information must come first to inform any subsequent actions.
Only the person with lead responsibility can give actions.
True or false?
False- both driver and signaller can give actions in both directions.
What phrase is used when confirming that you have reached a clear understanding with the person you are communicating with?
Repeat back
If a line is not clear, what phrase must you use instead of ‘line not clear’ and why?
You must always say ‘line blocked’ as the signaller could miss out the word ‘not’ and think that the line is clear.
When correcting a verbal mistake, what phrase should you use?
Correction and then state the correct information
When you want confirmation that you have a clear understanding, what phrase can you use?
Repeat back
What words should you start an emergency call with?
This is an emergency call
What does the phrase ‘over’ mean in safety critical communications?
I have finished my message and am expecting a reply.
