Safety Critical Communications

Question 1

Who has lead responsibility for clear understanding?

Answer 1

Signaller but both driver and signaller responsible for good comms and forming a tight contract

Question 2

What is ABC-P

Answer 2

Accurate, Brief, Clear and Professional

Question 3

How are letters stated?

Answer 3

Phonetic alphabet

Question 4

How are numbers stated?

Answer 4

Individually

Question 5

How are times stated?

Answer 5

24 hour clock (09:00- zero nine hundred hours)

Question 6

How are weights and measurements stated?

Answer 6

Natural language and state unit of measurement (one hundred miles per hour)

Question 7

What should the structure of messages be?

Answer 7

Opening, Information, Actions, Confirmation

Question 8

How must you open a message?

Answer 8

Driver of, standing at

Question 9

How can you confirm information with signaller?

Answer 9

Utilise repeat back

Question 10

If there is an obstruction on the line, what should you say?

Answer 10

Line blocked

Question 11

How do you correct a verbal mistake?

Answer 11

Correction

Question 12

How do you open an emergency call

Answer 12

This is an emergency call

Question 13

What do you say when your message is complete and you are expecting a response?

Answer 13

Over

Question 14

What do you say when your message is complete and you are not expecting a response?

Answer 14

Out

Question 15

When would you use over and out?

Answer 15

Simplex calls (emergency call) when you are PTT and only one person can speak at once

Question 16

When should you use ‘Driver out’?

Answer 16

At the end of every call

Question 17

How do you structure an emergency call?

Answer 17

This is an emergency call from the driver of, standing at, I require, due to

Await actions
Confirm understanding by repeating back

Question 18

When should an emergency call be made?

Answer 18

Where there is a risk to life/risk of a serious incident

Question 19

What are your actions on hearing an emergency call?

Answer 19

Immediately stop via emergency brake and press ‘ST’ after coming to full stand, hearing and understanding broadcast.

Question 20

Can GSMR be used on the move?

Answer 20

No

Question 21

What do you do if you receive ‘contact signaller’ message?

Answer 21

Press tick at next opportunity to stop

Question 22

In what ways can the signaller give an instruction to the driver?

Answer 22

Via telephone/radio
Face-to-face
Via guard, shunter, pilot, hand signaller or competent person

Question 23

What are the bell buzzer codes?

Answer 23

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

Question 24

Which buzzer codes should be repeated back?

Answer 24

All except 3-2-1

Question 25

How should you show a pause when doing bell buzzer?

Answer 25

Clearly mark pauses

Question 26

What is the purpose of the bell buzzer?

Answer 26

To control movements

Question 27

Can the cab-to-cab be used if the bell buzzer is defective?

Answer 27

No, contact control for instructions