Hazardous Conditions; Storms; Fog - Scarab SB Series Owner's Manual

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lines available, and attach them to the bow eyes or
stern eyes only. Have all passengers slip on life jack-
ets and take a seat in a protected area of the boat.
Lines can snap or other hardware can be
loosened or broken while towing. Under certain
conditions, this can cause severe injury or
fatality.
The maximum recommended towing speed is 24 km/h
(15 MPH).
When towing your boat in water, pinch the exhaust
manifold water outlet hose on the engine(s) with a
large hose pincher. This will prevent the exhaust sys-
tem from filling which may lead to water being injected
into the engine. Without the engine running there
isn't any exhaust pressure to carry the water out the
exhaust outlet.
NOTICE
Failure to pinch the exhaust manifold water
outlet hose may result in damage to the engine.
If your boat must be towed in water and you do
not have a hose pincher, be sure to stay well
below the maximum towing speed of 24 km/h
(15 MPH).
NOTICE
When finished towing the boat, the hose pinch-
er must be removed before operating the boat.
Failure to do so will result engine damage.
A - 18 HAZARDOUS CONDITIONS
A. Storms
Storms sometimes appear without advance notice.
Although weather information from meteorological ob-
servation and reporting stations is available, weather
bureaus are known to have failures in their predic-
tions or information gathering equipment. There is no
substitute for a strong understanding of what action
to take when the weather takes a turn for the worse.
Many marinas fly weather signals. You should learn
to recognize these signals and monitor your local
weather forecasts before leaving port.
The present and forecasted weather conditions are of
primary consideration, but a threat of possible storms
Boating Safety & Information - Section A
should always be a concern. Observance of the
following information will help in your safety afloat if
storms do occur:
• K eep a watch on the horizon for approaching
storm indicators.
• T urn radio ON. Dial in local weather station and
monitor forecast. If your boat has a VHF radio,
check the weather channels.
• T he best possible situation is to return to a safe
port if time allows.
• C lose and secure all portals and hatches. Stow
all loose gear below deck and tie down any gear
required to remain on deck.
• R educe speed as the seas build. Make sure all
passengers are wearing their PFDs.
• I f you lose power, keep the boat headed into the
waves by rigging a sea anchor off the bow. If
there is no sea anchor on board, use a canvas
bucket or any object that will offer resistance.
• R adar reflectors (if installed on your boat) should
be 18 inches diagonally and placed 12 feet above
the waterline.
B. Fog
Fog is a result of either warm surface or cold surface
conditions. You can judge the likelihood of fog forma-
tion by periodically measuring the air temperature
and dew point temperature. If the spread (difference)
between these two temperatures is small, you likely
will incur a fog situation. Remember the following
guidelines:
• Turn on running lights.
• A s fog sets in, take bearings and mark your
position on the chart while continuing to log your
course and speed.
M ake sure all persons aboard are wearing their
PFDs.
• I f your boat has depth finding equipment, take
sounding and match them with soundings on your
charts.
• Station a person forward on the boat as a lookout.
• R educe your speed. From time to time, stop
engine and listen for fog signals.
• S ound the proper horn or fog bell at proper inter-
vals to warn other boaters.
• I f there is any doubt in continuing boat movement,
anchor. Listen for other fog signals while continu-
ing to sound the proper fog horn or bell for a boat
at anchor.
Owner's Manual Page 38

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