Colregs - Annexes I - IV

Question 1

Annex I

Answer 1

POSITIONING AND TECHNICAL DETAILS OF LIGHTS AND SHAPES

Question 2

ANNEX II

Answer 2

ADDITIONAL SIGNALS FOR VESSELS FISHING IN CLOSE PROXIMITY.

1. General
2. Signals for Trawlers
3. Signals for Purse Seiners

Question 3

ANNEX III

Answer 3

TECHNICAL DETAILS OF SOUND SIGNAL APPLIANCES.

1. Whistles
- Frequencies and Range of audibility.
- Limits of fundamental frequencies.
- Sound signal intensity and range of audibility.
- Directional properties.
- Positioning of whistles.
- Fitting of more than one whistle.
- Combined whistle systems.

2. Bell and Gong
- Intensity of signal.
- Construction.

3. Approval

Question 4

Annex IV (FIRST 5)

Answer 4

DISTRESS SIGNALS

a. a gun or other explosive signal fired at intervals of about 1 minute.

b. continuous sounding of any Fog signaling apparatus.

c. rockets or shell, throwing red stars fired one at a time at short intervals.

d. signal made by Radiotelegraphy or by any other signaling method consisting of the group…_ _ _… (SOS) in the Morse code.

e. a signal sent by Radiotelephony consisting of the the spoken word “MAYDAY”

Question 5

Annex IV (Middle 5)

Answer 5

DISTRESS SIGNALS

.f. International Code Signal of Distress, indicated by N.C.

.g. signal consisting of of a square flag having above or below a ball or anything looking like a ball.

.h. flames on the vessel (as from a a burning tar barrel, oil barrel etc)

.i. a red rocket parachute or handheld flare.

.j. orange colored smoke signal

Question 6

ANNEX IV (Last 5)

Answer 6

DISTRESS SIGNALS

k. slowly lowering and raising outstretched arms to each side.

l. the radiotelegraph alarm signal

m. the radiotelephone alarm signal

n. signal sent by EPIRB (Emergency Position-Indicating Radio Beacon)

o. approved signals transmitted by radiocommunication systems including survival craft radar transponders.