INDEX

SIGNALING INSTRUCTIONS AND GENERAL SIGNAL CODE

(SEE SEPARATE INDEX FOR MEDICAL SIGNAL CODE)

(Numbers refer to pages)

A

Abandon vessel, 29

Accident or distress position, 43

signals, 29–30

Adrift, boat-raft, 36

from anchorage, 78

Afloat, aircraft-helicopter, 31

from grounding, 54

Aground assistance, 36

vessel, 36

Ahead, engine maneuvers, 60

maneuvers, 76

Aids to navigation, 62

Aircraft in distress, 39

locate, 41

Alight, aircraft-helicopter, 31

Alongside, boat-raft, 36

maneuvers, 77

Alphabet flags, inside front cover ii

Anchor, underwater operations, 51

Anchorage, 78

port-harbor, 87

towing to, 57

Anchoring, 77–78

Answer, communications, 100

Arms signaling, 15–16

Arrival, estimated time of, 88

Assistance, aircraft-helicopter, 31

declined, not required, 35

given, not given, 35

proceeding to, 43

required, 33

Astern maneuvers, 76

Atmospheric pressure, 94

B

Ballast, 84

Bar, 56

depth-draft, 68–69

Barometer, 94

Beaching, 54

Beacons, aid to navigation, 62

Bearing, aircraft-helicopter magnetic,

33

Bearings, aids to navigation, 62

Berth, 78

Boarding, 79–80

Boats available, 37

rafts, 36

required, 37

search, 38

send, 37

Bodies located, 47

search and rescue, 47

Boom across, caution, 67

Bulkheads, watertight, 56

Bunkers, 89

Buoy, navigating and steering instructions, 73

Buoys, aids to navigation, 62

Burns, severe, 30

C

Cable, hawser, 58

Canal, 63

Cancel message, 100

Carbon tetrachloride fire

extinguishers, 52

Cargo, 84

Cast off, 60

Casualties, radiation, 29

Caution, navigate with, 67

Channel, 63

Circling, aircraft, 32

Close distance, 44

Clouds, 91

Coal, 90

Collision, casualties-damages, 49

mat, diver, 51

leak, 56

Communicate, 100–101

Communications, acknowledge, 100

aircraft, 31

calling, 100

exercise, 102

reception, 102

transmission, 102

Compass, adjusting, 71

Complements tables, 104

Connect, towing, 57

Contact vessel/aircraft in distress, 41

Convoy, 94

Course, aircraft-helicopter magnetic,

33

indicate, 64

search and rescue, 44

Crew, persons on board, 84

D

Damage casualties, 49

received, 49

Dangerous goods, 84

Dangers to navigation, w

Dead, number of persons

reckoning position, 4

Depression, atmospheric 

deep, 94

intense, 94

Depth, water, 68

Derelict, 65

Diesel oil, 89

Disabled, aircraft-helicop

drifting-sinking, 38

Disembark, 36

Distress, 39–41

position, 40, 42–43

signals, 39–40

transmitting procedu

Disturbance, serious, 34

Ditched, 31

Diver, underwater operat

Doctor, 30

Draft, 69

Drift, survival craft, 44

Drifting, disabled, 38

E

Electronic navigation, 70

Emergency signals, 29–4

Engines, 79

Exercise signals, commu

102

Exercises, carrying out, 8

Explanation and general 

signals, 3

Explosion, distress, 40

Explosions, fire, 52

F

Fairway, 63

Fire assistance, 34

explosion, 51

Firefighting appliances, 5

Firing range, 67

Fishcatch carrier boat, 85
156

INDEX—SIGNALING INSTRUCTIONS AND GENERAL SIGNAL CODE

Fishery, 85–86

limits, 86

protection, 86

Fishing, 85

gear, dangers to navigation, 85

vessel, 85

Flag signaling, 9–10

Flares, 42

Flashing light signaling, 11–12

Flight, aircraft, 32

Floating ice, 93

mine, 72

trawl, 85

Flooded, 56

Flying, aircraft, 32

Foam fire extinguisher, 52

Fog, 96

Follow wake, 72

Fuel oil, 89

Fumigation, 90

G

Gale, 91

Give way, 74

Grounding, 53

Groups, transmission signals, 102

Growlers, ice, 93

H

Hand flags signaling, 15–16

Harbor, anchorage, 78

port, 87

Hawser, 58

Headway, maneuvers, 76

towing-tugs, 61

Health clearance, 103

Maritime Declaration of, 103

questions, 103

Health Regulations, International, 103

Heave to, 83

Helicopter signals, 33

High water, 75

Holding ground, anchorage, 78

Hostile aircraft, 68

submarine, 67

vessel, 67

Hydrography, 62–75

I

Ice, 91

accretion, 93

drift, 92

fast, 91

floes, 92

patrol ship, 93

Icebergs, 93

Icebreaker, 93

single letter signals 25

Icefield, 93

Identification signal, 90

Inflatable raft, 32

Information available, no, 89

Injured, number of persons, 30

International Code of Signals

 purpose, 3

K

Keep away, 74

clear, 74

close, 74

L

Landing, aircraft-helicopter, 31

boarding, 80

Lead course, 87

Leak, 56

assistance, 34

Leeward, keep, 73

Lifesaving signals, 140

station, 39

Light, searchlight, 72

Lighthouse, 62

Lights, aids to navigation, 62

Lightvessel, 62

Line, towing, 58

List, assistance, 33

boats-rafts, 36

dangers to navigation, 68

Located, vessel/aircraft wreckage, 41

Long-line fishing, 85

Lost, persons, 47

Loud hailer, voice over, 5, 20

Low water, 75

M

Make fast, navigating and steering

instructions, 73

towing line, 59

Man overboard, search and rescue, 46

Maneuvers, 80

towing-tugs, 60

Maritime Declaration of Health, 103

Mark to be transmitted table, 148

Men on board, 84

Meteorology, 91–98

Minefield, 71

Mines, 71

Minesweeping, 71

Miscellaneous signals, 88

Missing, vessel/aircraft, 45

Morse signaling by hand flags or arm

15

symbols, alphabet and numerals

table, 16

Mother ship, fishing, 85

N

Navigating and steering instructions

Navigation, 62–75

lights, 72

Nets, 85

drift, 85

seine, 85

O

Oil fire, 52

Oily mixture, 84

Overtake, do not, 74

P

Pack ice, 93

Parachute, 32

Pass ahead, 73

Passing signals, 73

Persons on board, 84

saved or lost, 47

Phonetic tables, 17–18, 148

Pick up, persons by aircraft-helicopt

33

Picked up, search and rescue, 47

Pilot, 87

assistance, 87

boat, 87

Pilotage, radar, 70, 87

Plain language communications, 10

Port, harbor, 87

pilot, 87

steer to, navigating and steering 

structions, 73

Position, indicate 41

Pratique, 103

Precautions, tropical storm, 91

Prevailing weather, boats-rafts, 36

Procedure signals, 17, 20

Proceed, damage-repairs, 50

underway, 80
INDEX—SIGNALING INSTRUCTIONS AND GENERAL SIGNAL CODE

Proceeding to assistance, 35

Propeller, engines, 79

shaft, assistance, 33

engines, 79

Propeller, underwater operations, 51

Purse seine, 85

R

Radar 70

Radiation danger, 65

hazard, 68

Radio direction finder, 70

Radioactive material, 65

Radiobeacon, aids to navigation, 62

search and rescue, 44

Radiotelegraphy, 5, 20

Radiotelephone procedures, 147–149

Radiotelephony, 5, 14, 20

Rafts, 36

Read transmission signal, cannot, 100

Receive communications signal, 100–

102

Refloating, 54

Remain where you are, 83

Repairs, 49

Repeat communications signal, 102

Rescue, 46

results, 47

Rocket, fire, search and rescue, 46

line, look out for, 46

Rockets, position by, 42

S

Safety signal, 100

Save vessel, cannot, 46

Sea, 95

conditions, 95

marker dye position, 42

Search, aircraft-helicopter, 32

and rescue, 44–48

information-instructions, 44

assistance 32

authority, 44

results, 45

Searchlight, navigation lights, 72

position, 42

Send, boat-raft, 37

Set and drift, search and rescue, 44

Shallow water, 65

Shelter, anchorage, 78

towing, 58

Shoal, 65

Sick, number of persons, 30

Sight, search and rescue, 41

Signal, cannot read transmission, 100

Signaling methods, 5

Signals appropriate in all transmissions,

definitions and meanings, 4

explanation and general remarks, 3

general instructions, 6–8

miscellaneous, 88

purpose, International Code of, 3

Signals appropriate in all

transmissions, 20

Single letter signals, 22

for icebreaker and

assisted vessels, 25

with complements, 23

Sink-sunk, vessels, 39

Slack, towing, 59

Sludge, ice, 91

Smoke float position, 42

signals position, 42

SOS/MAYDAY, 39, 139–144, 147–149

Sound signaling, 13

signals position, 42

Speed, 82

aircraft-helicopter, 32

towing, 61

Steer, 73

Steering gear, assistance, 33

Sternway maneuvers, 76

towing, 61

Stop, heave to, 83

maneuvers, 83

towing, 61

Storm, 91

Stretcher, 30, 33

Submarine survey, 51

Survival craft, 35

Survivors 47–48

Sweep, net, 86

Swell, 95–96

conditions, 95

Swept channel, 72

T

Take off persons, search and rescue, 46

Temperature, 94

Tide, 74

Towing, 56

line, 58

Toxic effects, explosion, 53

Transmit, communications, 102

Transmitter, 71

Trawl, 85

Tropical storm, 91

Tsunami, 67

Tug assistance, navigation, 

towing, 56

Tugs, 56–61

U

Underwater operations, 51

Underway, 81

V

Veer, towing, 59

Vessel in distress, 39

locate, 41

Visibility, 96

Visual contact, search and 

signals, communicate, 

position, 42

Voice over loud hailer, 5, 2

W

Wake, navigating and steer

tions, 73

steer in my, 73

Warnings, 66–68

Warps, fishery, 86

Water, depth-draft, 68–70

pumps, fire, 52

Weather, 97

forecast, 97

Wind, 97

Windward, navigating and 

structions, 74

Wreck, 65

Wreckage, 46

Z

Zone, dangerous, mines, 71