Safety Critical Communications Flashcards
Who has lead responsibility for clear understanding?
Signaller but both driver and signaller responsible for good comms and forming a tight contract
What is ABC-P
Accurate, Brief, Clear and Professional
How are letters stated?
Phonetic alphabet
How are numbers stated?
Individually
How are times stated?
24 hour clock (09:00- zero nine hundred hours)
How are weights and measurements stated?
Natural language and state unit of measurement (one hundred miles per hour)
What should the structure of messages be?
Opening, Information, Actions, Confirmation
How must you open a message?
Driver of, standing at
How can you confirm information with signaller?
Utilise repeat back
If there is an obstruction on the line, what should you say?
Line blocked
How do you correct a verbal mistake?
Correction
How do you open an emergency call
This is an emergency call
What do you say when your message is complete and you are expecting a response?
Over
What do you say when your message is complete and you are not expecting a response?
Out
When would you use over and out?
Simplex calls (emergency call) when you are PTT and only one person can speak at once
When should you use ‘Driver out’?
At the end of every call
How do you structure an emergency call?
This is an emergency call from the driver of, standing at, I require, due to
Await actions
Confirm understanding by repeating back
When should an emergency call be made?
Where there is a risk to life/risk of a serious incident
What are your actions on hearing an emergency call?
Immediately stop via emergency brake and press ‘ST’ after coming to full stand, hearing and understanding broadcast.
Can GSMR be used on the move?
No
What do you do if you receive ‘contact signaller’ message?
Press tick at next opportunity to stop
In what ways can the signaller give an instruction to the driver?
Via telephone/radio
Face-to-face
Via guard, shunter, pilot, hand signaller or competent person
What are the bell buzzer codes?
1- stop
1-2- close doors
2- ready to start
2-2 - do not open doors, contact driver
3- set back
3-1 - lock doors
3-2-1- door test complete
3-3 - driver and guard to speak
3-3-1- release doors
4- slow down
6- draw forward
9- police assistance required
Which buzzer codes should be repeated back?
All except 3-2-1
How should you show a pause when doing bell buzzer?
Clearly mark pauses
What is the purpose of the bell buzzer?
To control movements
Can the cab-to-cab be used if the bell buzzer is defective?
No, contact control for instructions
