signal flares

Bright distress markers

Signal flares are pyrotechnic devices that burn brightly to attract attention or mark a location.

They're used in emergencies—a boater fires signal flares to alert rescuers, a stranded motorist places them on the roadside.

The term covers handheld flares, aerial flares shot from a gun, and road flares set on pavement: The Coast Guard spotted their signal flares from the helicopter.

Opposites
visibility/communication method

signal flaresradio

Electromagnetic wave receiver

radio transmission · radio beacon · hand signals · whisper · coded message

detectability/concealment

signal flarescamouflage

Concealment through visual blending

concealment · blackout · stealth · radio silence · hiding

communication method

signal flaresradio

Electromagnetic wave receiver

two-way radio · satellite phone · distress beacon · morse code · hand signals

Family

sign, signal, flare

Familiarity
Top 100,000
Profile
Known to kids · Used worldwide · Timeless · Concrete · Everyday, not technical · Rated G