SOG 5-1-34 Mayday Communications

Question 1

Relies that each firefighter have access to

Answer 1

A portable radio whenever operating in an IDLH

Question 2

A firefighter will transmit a MAYDAY if any of the following conditions exist:

Answer 2

• Lost/trapped/serious life-threatening injury
• Serious or life threatening injury occur to another member
• Lost, trapped, seriously injured, or unconscious firefighter discovered
• Entangled, pinned, unable to free self after first attempt
• Low-air alarm activated, unable to find an exit
• Zero visibility, no contact with hoseline, search rope, and exit unknown
• Primary exit blocked by fire or collapse and you cannot locate an immediate secondary exit.
• Serious fall
• Rollover condition and cannot find exit
• Caught in a flashover

Question 3

Radio Transmission Procedure

Answer 3

1. Activate EIB (emergency identifier button) on portable radio.
2. LUNAR report
3. Pause after each message, repeat until IC acknowledges.
4. If no contact can be made, go to another channel
5. Activate PASS device in between each message and after it is acknowledged.

Question 4

LUNAR

Answer 4

Location
Unit
Name
Assignment
Resources

Question 5

Radio Transmission Acknowledgement

Answer 5

• MAYDAY takes priority

- IC must clear air of all radio traffic during MAYDAY