RoR Lesson 4RoR Lesson 4

Covering Rules 32 – 38 and Covering Rules 32 – 38 and Annex IVAnnex IV

Rule 33Rule 33

• Equipment for Sound Signals• >12m – Whistle• >20m – Whistle and Bell• >100m – Whistle, Bell and Gong• Above may be replaced by other equipment

having the same sounds, provided that a manual method remains.

• <12 m - Must have a method of sound signaling (Air canister horn?)

Rule 34Rule 34

• Para (a). You SHALL make sound signals when manoeuvring in accordance with the Rules, but only when in sight of one another.

• Para (b). The light signals may SUPPLEMENT the sound signal.

• What is the minimum range of the Manoeuvring light?

Rule 34Rule 34

• Para (c). You only make these sound signals when the other vessel has to manoeuvre to allow safe passing.

• If it is safe to pass without the other vessel manoeuvring, you do NOT make a sound signal.

Rule 35Rule 35

• PDV – U/W – M/W _ ≤ 2 mins• PDV – U/W – N/M/W _ _ ≤ 2 mins• NUC, RAM, CBD, • F/V, S/V, Towing _ . . ≤ 2 mins• Vessel being Towed _ . . .• Anchor < 50m ~ 5 secs ≤ 1 min• Anchor > 100m ~ 5 secs *** 5 secs ≤ 1 min• MAY also sound . _ . • Aground /// ~ 5 secs /// *** 5 secs ≤ 1 min• What would be an appropriate whistle signal?

Rule 36Rule 36

• Rule 37

• Rule 38

Annex IVAnnex IV• A gun or other explosive signal fired at intervals of about one minute. • A Continuous sounding with any fog signalling apparatus. • Rockets or shells, throwing red stars fired one at a time at short intervals.• A signal made by radiotelegraphy or by any other signaling method consisting of the

group SOS in morse code. • A signals sent by radiotelephony consisting of the spoken word “Mayday”. • The International Code of signal of distress indicated by N.C. • A signal consisting of a square flag having above or below it a ball or anything

resembling a ball. • Flames on the vessel (as from a burning tar barrel, oil barrel, etc.) • A rocket parachute flare or hand held flare showing a red light • A smoke signal giving off orange-coloured smoke. • Slowly and repeatedly raising and lowering arms outstretched to each side. • The radiotelegraph alarm signal (a series of 12 four second dashes with intervals of

one second).• The radio telephone alarm signal (two-tone audible alarm for 30-60 secs).• Signals transmitted by EPIRBs• Approved signals transmitted by radiocommunication systems, including SARTs.