Ongoing Emergency Phraseology

Question 1

What is phraseology for acknowledgment of distress?

Answer 1

Aircraft callsign
Radio callsign
Roger
Mayday
(Any pertinent information)

Then:

Impose radio silence if an aircraft calls an emergency
-> “all stations (or aircraft callsign) ___ Radio, stop transmitting, mayday”

Then

Give the correct phraseology for the cancellation of urgency
-> “All stations ___ radio. Urgency traffic ended”