International Distress Signals

Slowly and repeatedly

RAISING AND LOWERING OF ARMS

outstretched to each side

wave hands

HAND HELD FLARE or

ROCKET PARACHUTE FLARE

showing a RED light

Distress Flare

RED STARS

– thrown by rocket/shells,

one at a time at short intervals

red stars

ORANGE SMOKE

– from a smoke signal

orange smoke signal

CONTINUOUS SOUNDING of any

FOG SIGNALLING APPARATUS

wave hands

GUN or EXPLOSIVE SIGNAL

fired at intervals of about

ONE MINUTE

FLAMES ON A VESSEL

-or heavy smoke from a vessel as from burning oil barrel or tar

flames on vessel

SQUARE FLAG

– having above or below it a

BALL or anything resembling a BALL.

Known as ‘The distance signal’

square distress flag

INTERNATIONAL CODE SIGNAL OF DISTRESS ‘NC’

  • The flying of flags ‘N’ over ‘C’ signifies “ I am in distress and request IMMEDIATE ASSISTANCE”
  • May be made in MORSE CODE ( – · / – · – · ), by light or sound
  • (Sometimes referred to as ‘November over Charlie’ signal)
distress NC

S O S

Signal‘ S O S ‘ by any signal method Either by SOUND, LIGHT or RADIOTELEGRAPHY

SOS

AIDS TO IDENTIFICATION

(Following sending of distress signal)

  • A DYE marker in the sea
  • A piece of ORANGE material with a BLACK SQUARE or CIRCLE or similar mark

Either or both of the above assist searching aircraft to identify casualty vessel

dye marker

    OTHER METHODS OF SENDING SIGNALS

  • The RADIO TELEGRAPH ALARM SIGNAL
  • The RADIO TELEPHONE ALARM SIGNAL
  • Radiotelephony Signal comprising of the spoken word ‘MAYDAY, MAYDAY, MAYDAY’ followed by ‘MAYDAY, this is (name of vessel), position, nature of distress’
  • Signals transmitted by Emergency Position Indicating Radio Beacons (EPIRB’s)

NOTES

  • ENSIGN INVERTED IS NOT a recognised International Distress signal, but is widely ccepted to indicate a vessel in distress. When no other means is available
  • The single letter ‘V’ by flag or Morse Code (· · · –) means ‘I require assistance but is NOT a distress signal
ensign inverted

EMERGENCY ?

Dial 112 or 999 ask for Coastguard, Police, Fire or Ambulance as appropriate

flames on vessel