166. MAYDAY, PAN-PAN, and SECURITÉ: When and How to Call for Help

When something goes wrong on the water, knowing how to properly communicate distress can make the difference between a quick response and a dangerous delay.

All emergency communication begins on:

👉 VHF Channel 16

Reference:

USCG Navigation Center

https://www.navcen.uscg.gov/vhf-radio

MAYDAY — Life-Threatening Emergency

Use MAYDAY when:

• Vessel is sinking
• Fire onboard
• Person overboard (serious)
• Collision or grounding
• Medical emergency

Format:

“MAYDAY, MAYDAY, MAYDAY

This is [vessel name]

Location: [GPS or landmarks]

Nature of emergency

Number of persons onboard”

PAN-PAN — Urgent but Not Life-Threatening

Use when:

• Mechanical failure
• Lost but not in danger
• Minor injury

SECURITÉ — Safety Broadcast

Used to warn others about:

• Debris
• Navigation hazards
• Weather concerns

Why This Matters

Many boaters either:

• Wait too long
• Use the wrong call

Clear communication ensures faster assistance.

BoatnCrew promotes responsible boating practices and connects operators who understand these procedures.