Page 213 - NAVAL SCIENCE 3 TEXTBOOK

RUI.ES OF THE ROAD AND ~ I ANE U VE RI NG BOARD 219

bJllsts (one short, one prolonged, and olle short) to wilm each STU DY GUIDE QUESTIO N S
approaching vessel of its position.
I. A. \·Vhat are the two sets of rules governing the nautical rules
If at any time a vessel hears a fog sigl1nl forward of its beam
of the road?
nlld cannot tell from where the signal is coming. it must reduce
speed to bare steemgeway (the minimum speed at which the rud- B. \"'here is each in eflect?
der is effective). If necessnl'y. it mllst take all W(1)' off 2. \ Vhat is the purpose of the rules of the road'
A whole list of specinl fog signals exist lor sailing vessels. vessels
3. \Vhnt designntion is given to any vessel propelled by
aground or towing. fishing, nud certain other situations. These will machinery?
not be covered in this text but may be tound in the rules.
4. A. \·Vhen is il vessel "under way"?
B. If a vessel is stopped in the water but not anchored, what is
Distress S ignals its status?
Both inland and international rules provide a list of ncceptable 5. A. \,Vhat running lights must a vessel show at night?
cOl11mon distress signals that may be used to call nttention to a \'es- Il. \ Vhat is the purpose of these lights?
sel in special need. Vessels in distress may use one or more of these 6. \-Vhy is n pilot required for large ships in most harbors?
signl1ls whenever necessnry.
7. A. '·Vhat anchor lights llluSt be shown according to the rules?
There exists a common misunderstanding that the national
B. \·Vhat day shape is lIsed to show that a vessel is at anchor?
ensign hoisted upside down is a signal of distress. A man-of-war
would not subject the national colors to this indignity. but the 8. A. \Vhat is meant b)' the terlll "not under cOlllllland"?
belief is widespread among those with private or recreational craft. B. What are the lights and day shapes that indicate this
Therefore, if a craft is seen with its ensign hoisted upside down. it condition?
probably is in distress.
9. "Vhy Ciln some U.S. navnl vessels not comply exactly with the
Distress signals specified under inland rules are ns follows: rules of the road? Give some examples.
In the daytime, a continuolls sounding with any fog signal lO. \Vhat is the basic difference between whistle signals in inland
nppnratus, or firing a gun. and international rules?
At night (n) f1nmes li'om a burning tar or oil barrel; (b) a con- l l. If a ship does not understand n whistle signn!, or considers a
tinuous sounding of any fog signal, or firing of a gun. proposed manem'er dnngerolls, what signill mllst that ship
sound?
Internatiollnl rules provide for the following distress signals:
l2. \·Vhat are the three bnsic possible situations when there mny
A gUll or other explosive signal fired at intervnls of about one be risk of collision when t\\'o vessels are approaching in sight
of each other?
minute
) 3. Under the rules, whnt are two vessels in an approach situation
A continuous sOllnding with nil)' fog signal
cnlled, depending on their relati\'e position?
Rockets or shells, throwing red stars, fired one at a time nt
14. \Vhen a bearing of an appronching vessel remnills constnnt
short intervals
(does not chnnge significa ntly). what situation is developing?
The signal group (SOS) in Morse code
IS. A. In a meeting situation, what is the responsibility of both
Radiotelephone (voice) signal "Mayday" vessels?
A flaghoist flying the flags November Charlie (NC) B. \·\,l1nt are the preferred maneuvers?
A flaghoist flying a square flag with a ball or anything resem- 16. \Vhat is the rule in a crossing situation?
bling a ball either above or below it
17. \ Vhnt is the rule in <1I1 overtaking situation?
Flnmes, ns from a burning tnr or oU barrel
18. A. \Vhat is the sound signal for approaching n blind bend in a
A rocket parachute flare or a hand flare showing n red light channel?
A smoke signal giving off orange-colored smoke B. \·Vlwt is the sOllnd signal lor leaving a berth (or changing
Slowly and repeatedl), raising and lowering arms outstretched statlls)?
to each side 19. \Vhnt term defines a sitlintioll in which collision is imminent?
20. Under what conditions must fog signals be sounded?
2l. \ Vhnt kinds of signnls mny be sounded or shown to cnll
nttention to a vessel in special need of assistance??