Aviation English
Cabin Safety

What is Signal Smoke?

Signal Smoke Hand-held maritime flare producing coloured smoke during daylight to signal distress location to aircraft or vessels.

Source: ICAO Doc 9432, FAA PCG

How is “Signal Smoke” Used in Practice?

Raft alpha to rescue craft: orange signal smoke deployed and drifting leeward; advise visual confirmation and approach bearing.

Certification Exam Relevance

ICAO Level 4ICAO Level 5ICAO Level 6EASA FCL.055

Who Needs to Know This Term?

  • Pilots
  • Air Traffic Controllers
  • Cabin Crew

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Frequently Asked Questions

What is Signal Smoke?

Hand-held maritime flare producing coloured smoke during daylight to signal distress location to aircraft or vessels.

Where can I learn this term for free?

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