FRA Communication Protocols 2

Question 1

When a train crew receives conflicting instructions from two different sources, which takes priority?

Accepted Answer

The instruction requiring the most restrictive operation

Answer

Under FRA rules, when instructions conflict, crews must follow the most restrictive interpretation to ensure safety.

Question 2

Under FRA regulations, what is the required protocol when a locomotive engineer loses radio contact with the dispatcher?

Accepted Answer

Operate at Restricted Speed and attempt to restore communication

Answer

FRA requires engineers to operate at Restricted Speed when radio communication is lost, while attempting to restore contact.

Question 3

What does the term 'repeat back' mean in railroad radio communication?

Accepted Answer

Restating the received message verbatim for dispatcher verification

Answer

Repeat back (read back) requires the crew to restate the message word-for-word so the dispatcher can verify accurate receipt.

Question 4

A train is approaching a dark signal (signal displaying no indication). According to FRA communication protocols, what must the crew do?

Accepted Answer

Treat it as a stop signal and contact the dispatcher

Answer

A dark signal must be treated as the most restrictive indication (stop), and the dispatcher must be contacted before movement.

Question 5

Which of the following is a required element when a train crew initiates a radio call to a dispatcher?

Accepted Answer

Train symbol, location, and reason for call

Answer

FRA communication standards require crews to identify the train symbol, current location, and purpose of the call for clarity and documentation.

(FRA) Federal Railroad Administration Certification Practice Test