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later than 1 July 1991.
2 Radio life-saving appliances
2.1 Portable radio apparatus for survival craft
2.1.1 A portable radio apparatus for survival craft complying with the
requirements of Regulation IV/14 shall be provided. The portable radio
apparatus shall be stowed in a protected and easily accessible position
ready to be moved to any survival craft in an emergency, except that inthe case of a ship with lifeboats stowed in widely separated positions
fore and aft, the portable radio apparatus shall be stowed in the vicinity
of the lifeboats which are furthest away from the ship''s main transmitter.
2.1.2 The requirements of paragraph 2.1.1 need not be complied with if
a radio installation complying with the requirements of Regulation IV/13is fitted in a lifeboat on each side of the ship or in the stern-launched
lifeboat referred to in Regulation 26.1.2.1.
2.1.3 On ships engaged on voyages of such duration that in the opinion
of the Administration portable radio apparatus for survival craft is
unnecessary, the Administration may allow such equipment to be dispensedwith.
2.2 Radiotelegraph installation for lifeboats
On passenger ships engaged on international voyages which are not
short international voyages:
.1 where the total number of persons on board is more than 199 but
less than 1,500, a radiotelegraph installation complying with the
requirements of Regulation IV/13 shall be fitted in at least one of the
lifeboats required by Regulation 20.1.1.1;
.2 where the total number of persons on board is 1,500 or more, at
least one lifeboat on each side shall be so fitted.
2.3 Survival craft emergency position-indicating radio beacons
One manually activated emergency position-indicating radio beacon
complying with the requirements of Regulation IV/14-1 shall be carried on
each side of the ship. They shall be so stowed that they can be rapidly
placed in any survival craft other than the liferaft or liferafts required
by Regulation 26.1.4.
2.4 Two-way radiotelephone apparatus
2.4.1 Two-way radiotelephone apparatus complying with the requirements
of Regulation IV/14-3 shall be provided for communication between survival
craft, between survival craft and ship and between ship and rescue boat.An apparatus need not be provided for every survival craft; however, at
least three apparatus shall be provided on each ship. This requirement may
be complied with by other apparatus used on board provided such apparatus
is not incompatible with the appropriate requirements of Regulation
IV/14-3.
2.4.2 For ships constructed before 1 July 1986 such apparatus need
only comply with the frequency requirements of Regulation IV/14-3.
3 Distress flares
Not less than 12 rocket parachute flares, complying with the
requirements of Regulation 35, shall be carried and be stowed on or nearthe navigating bridge.
4 On-board communications and alarm systems
4.1 An emergency means comprised of either fixed or portable equipment
or both shall be provided for two-way communications between emergency
control stations, muster and embarkation stations and strategic positions
on board.
4.2 A general emergency alarm system complying with the requirements
of Regulation 50 shall be provided and shall be used for summoning
passengers and crew to muster stations and to initiate the actions
included in the muster list. The system shall be supplemented by either a
public address system or other suitable means of communication.
Regulation 7 Personal life-saving appliances
1 Lifebuoys
1.1 Lifebuoys complying with the requirements of Regulation 31.1 shall
be:
.1 so distributed as to be readily available on both sides of the
ship and as far as practicable on all open decks extending to the ship''sside; at least one shall be placed in the vicinity of the stern;
.2 so stowed as to be capable of being rapidly cast loose, and not
permanently secured in any way.
1.2 At least one lifebuoy on each side of the ship shall be fitted
with a buoyant lifeline complying with the requirements of Regulation 31.4
equal in length to not less than twice the height at which it is stowed
above the waterline in the lightest seagoing condition, or 30 m,
whichever is the greater.
1.3 Not less than one half of the total number of lifebuoys shall be
provided with self-igniting lights complying with the requirements of
Regulation 31.2; not less than two of these shall also be provided with
self-activating smoke signals complying with the requirements of
Regulation 31.3 and be capable of quick release from the navigating
bridge; lifebuoys with lights and those with lights and smoke signals
shall be equally distributed on both sides of the ship and shall not be
the lifebuoys provided with lifelines in compliance with the requirements
of paragraph 1.2.
1.4 Each lifebuoy shall be marked in block capitals of the Roman
alphabet with the name and port of registry of the ship on which it is
carried.
2 Lifejackets
2.1 A lifejacket complying with the requirements of Regulation 32.1 or
32.2 shall be provided for every person on board the ship and, in
addition:
.1 a number of lifejackets suitable for children equal to at least
10% of the number of passengers on board shall be provided or such greater
number as may be required to provide a lifejacket for each child;
.2 a sufficient number of lifejackets shall be carried for persons
on watch and for use at remotely located survival craft stations.
2.2 Lifejackets shall be so placed as to be readily accessible and
their position shall be plainly indicated. Where, due to the particular
arrangements of the ship, the lifejackets provided in compliance with the
requirements of paragraph 2.1 may become inaccessible, alternative
provisions shall be made to the satisfaction of the Administration whichmay include an increase in the number of lifejackets to be carried.
3 Immersion suits
3.1 An immersion suit, of an appropriate size, complying with the
requirements of Regulation 33 shall be provided for every person assigned
to crew the rescue boat.
Regulation 8 Muster list and emergency instructions
1 This Regulation applies to all ships.
2 Clear instructions to be followed in the event of an emergency shall
be provided for every person on board.
3 Muster lists complying with the requirements of Regulation 53 shall
be exhibited in conspicuous places throughout the ship including the
navigating bridge, engine-room and crew accommodation spaces.
4 Illustrations and instructions in appropriate languages shall be
posted in passenger cabins and be conspicuously displayed at muster
stations and other passenger spaces to inform passengers of:
.1 their muster station;
.2 the essential actions they must take in an emergency;
.3 the method of donning lifejackets.
Regulation 9 Operating Instructions
1 This Regulation applies to all ships.
2 Posters or signs shall be provided on or in the vicinity of survival
craft and their launching controls and shall:
.1 illustrate the purpose of controls and the procedures for
operating the appliance and give relevant instructions or warnings;
.2 be easily seen under emergency lighting conditions;
.3 use symbols in accordance with the recommendations of the
Organization.
Regulation 10 Manning of survival craft and supervision
1 This Regulation applies to all ships.
2 There shall be a sufficient number of trained persons on board for
mustering and assisting untrained persons.
3 There shall be a sufficient number of crew members, who may be deck
officers or certificated persons, on board for operating the survival
craft and launching arrangements required for abandonment by the total
number of persons on board.
4 A deck officer of certificated person shall be placed in charge of
each survival craft to be used. However, the Administration, having due
regard to the nature of the voyage, the number of persons on board and the
characteristics of the ship, may permit persons practised in the handling
and operation of liferafts to be placed in charge of liferafts in lieu of
persons qualified as above. A second-in-command shall also be nominated in
the case of lifeboats.
5 The person in charge of the survival craft shall have a list of the
survival craft crew and shall see that the crew under his command are
acquainted with their duties. In lifeboats the second-in-command shall
also have a list of the lifeboat crew.
6 Every lifeboat required to carry a radiotelegraph installation
complying with the requirements of Regulation 6.2.2 shall have a person
assigned who is capable of operating the equipment.
7 Every motorised survival craft shall have a person assigned who is
capable of operating the engine and carrying out minor adjustments.
8 The master shall ensure the equitable distribution of persons
referred to in paragraphs 2, 3 and 4 among the ship''s survival craft.
Regulation 11 Survival craft muster and embarkation arrangements
1 Lifeboats and liferafts for which approved launching appliances are
required shall be stowed as close to accommodation and service spaces aspossible.
2 Muster stations shall be provided close to the embarkation stations.
Each muster station shall have sufficient space to accommodate all persons
assigned to muster at that station.
3 Muster and embarkation stations shall be readily accessible from
accommodation and work areas.
4 Muster and embarkation stations shall be adequately illuminated by
lighting supplied from the emergency source of electrical power requiredby Regulation II-1/42 or II-1/43, as appropriate.
5 Alleyways, stairways and exits giving access to the muster and
embarkation stations shall be lighted. Such lighting shall be capable ofbeing supplied by the emergency source of electrical power required by
Regulation II-1/42 or II-1/43, as appropriate.
6 Davit-launched survival craft muster and embarkation station shall
be so arranged as to enable stretcher cases to be placed in survival
craft.
7 An embarkation ladder complying with the requirements of Regulation
48.7 extending, in a single length, from the deck to the waterline in the
lightest seagoing condition under unfavourable conditions of trim and with
the ship listed not less than 15° either way shall be provided at each
launching station or at every two adjacent launching stations. However,
the Administration may permit such ladders to be replaced by approved
devices to afford access to the survival craft when waterborne, providedthat there shall be at least one embarkation ladder on each side of the
ship. Other means of embarkation may be permitted for the liferafts
required by Regulation 26.1.4.
8 Where necessary, means shall be provided for bringing the
davit-launched survival craft against the ship''s side and holding them
alongside so that persons can be safely embarked.
Regulation 12 Launching stations
Launching stations shall be in such positions as to ensure safe
launching having particular regard to clearance from the propeller and
steeply overhanging portions of the hull and so that, as far as possible,
survival craft, except survival craft specially designed for free-fall
launching, can be launched down the straight side of the ship. if
positioned forward, the shall be located abaft the collision bulkhead in a
sheltered position and, in this respect, the Administration shall give
special consideration to the strength of the launching appliance.
Regulation 13 Stowage of survival craft
1 Each survival craft shall be stowed:
.1 so that neither the survival craft nor its stowage arrangements
with interfere with the operation of any other survival craft or rescue
boat at any other launching station;
.2 as near the water surface as is safe and practicable and, in
the case of a survival craft other than a liferaft intended for
throw-overboard launching, in such a position that the survival craft inthe embarkation position is not less than 2 m above the waterline with the
ship in the fully loaded condition under unfavourable conditions of trimand listed up to 20° either way, or to the angle at which the ship''s
weatherdeck edge becomes submerged, whichever is less;
.3 in a state of continuous readiness so that two crew members can
carry out preparations for embarkation and launching in less than 5 min;
.4 fully equipped as required by this Chapter;
.5 as far as practicable, in a secure and sheltered position and
protected from damage by fire and explosion.
2 Lifeboats for lowering down the ship''s side shall be stowed as far
forward of the propeller as practicable. On cargo ships of 80 m in length
and upwards but less than 120 m in length, each lifeboat shall be so
stowed that the after end of the lifeboat is not less than the length ofthe lifeboat forward of the propeller. On cargo ships of 120 m in lengthand upwards and passenger ships of 80 m in length and upwards, each
lifeboat shall be so stowed that the after end of the lifeboat is not less
than 1.5 times the length of the lifeboat forward of the propeller. Where
appropriate, the ship shall be so arranged that lifeboats, in their stowed
positions, are protected from damage by heavy seas.
3 Lifeboats shall be stowed attached to launching appliances.
4 In addition to meeting the requirements of Regulations 23 and 29,
liferafts shall be so stowed as to permit manual release from their
securing arrangements.
5 Davit-launched liferafts shall be stowed within reach of the lifting
hooks, unless some means of transfer is provided which is not rendered
inoperable within the limits of trim and list prescribed in paragraph 1.2
or by ship motion or power failure.
6 Liferafts intended for throw-overboard launching shall be so stowed
as to be readily transferable for launching on either side of the ship
unless liferafts, of the aggregate capacity required by Regulation 26.1 to
be capable of being launched on either side, are stowed on each side of
the ship.
Regulation 14 Stowage of rescue boats
Rescue boats shall be stowed:
.1 in a state of continuous readiness for launching in not more
than 5 min;
.2 in a position suitable for launching and recovery;
.3 so that neither the rescue boat nor its stowage arrangements
will interfere with the operation of any survival craft at any other
launching station;
.4 if it is also a lifeboat, in compliance with the Requirements
of regulation 13.
Regulation 15 Survival craft launching and recovery arrangements
1 Launching appliances complying with the requirements of Regulation
48 shall be provided for all survival craft except:
.1 survival craft which are boarded from a position on deck which
is less than 34.5 m above the waterline in the lightest seagoing condition
and which either:
.1.1 have a mass of not more than 185 kg; or
.1.2 are stowed for launching directly from the stowed position
under unfavourable conditions of trim of up to 10 ° and with the ship
listed not less than 20° either way;
.2 survival craft having a mass of not more than 185 kg and which
are carried in excess of the survival craft for 200% of the total numberof persons on board the ship.
2 Each lifeboat shall be provided with an appliance which is capable
of launching and recovering the lifeboat.
3 Launching and recovery arrangements shall be such that the appliance
operator on the ship is able to observe the survival craft at all times
during launching and for lifeboats during recovery.
4 Only one type of release mechanism shall be used for similar
survival craft carried on board the ship.
5 Preparation and handling of survival craft at any one launching
station shall not interfere with the prompt preparation and handling of
any other survival craft or rescue boat at any other station.
6 Falls, where used, shall be long enough for the survival craft to
reach the water with the ship in its lightest seagoing condition, under
unfavourable conditions of trim and with the ship listed not less than 20°
either way.
7 During preparation and launching, the survival craft, its launching
appliance, and the area of water into which it is to be launched shall be
adequately illuminated by lighting supplied from the emergency source ofelectrical power required by Regulation II-1/42 or II1/43, as
appropriate.
8 Means shall be available to prevent any discharge of water on to
survival craft during abandonment.
9 If there is a danger of the survival craft being damaged by the
ship''s stabilizer wings, means shall be available, powered by an
emergency source of energy, to bring the stabilizer wings inboard;
indicators operated by an emergency source of energy shall be available on
the navigating bridge to show the position of the stabilizer wings.
10 If lifeboats complying with the requirements of Regulation 42 or 43
are carried, a davit span shall be provided, fitted with not less than two
lifelines of sufficient length to reach the water with the ship in its
lightest seagoing condition, under unfavourable conditions of trim and
with the ship listed not less than 20° either way.
Regulation 16 Rescue boat embarkation, launching and recovery arrangements
1 The rescue boat embarkation and launching arrangements shall be such
that the rescue boat can be boarded and launched in the shortest possible
time.
2 If the rescue boat is one of the ship''s survival craft, the
embarkation arrangements and launching station shall comply with the
requirements of Regulations 11 and 12.
3 Launching arrangements shall comply with the requirements of
Regulation 15. However, all rescue boats shall be capable of being
launched, where necessary utilizing painters, with the ship making
headway at speeds up to 5 knots in calm water.
4 Rapid recovery of the rescue boat shall be possible when loaded with
its full complement of persons and equipment. If the rescue boat is also a
lifeboat, rapid recovery shall be possible when loaded with its lifeboatequipment and the approved rescue boat complement of at least six persons.
Regulation 17 Line-throwing appliances
A line-throwing appliance complying with the requirements of
Regulation 49 shall be provided.
Regulation 18 A band on ship training and drills
1 This regulation applies to all ships.
2 Manuals
A training manual complying with the requirements of Regulation 51
shall be provided in each crew mess room and recreation room or in each
crew cabin.
3 Practice musters and drills
3.1 Each member of the crew shall participate in at least one abandon
ship drill and one fire drill every month. The drills of the crew shall
take place within 24 h of the ship leaving a port if more than 25% of the
crew have not participated in abandon ship and fire drills on board thatparticular ships in the previous month. The Administration may accept
other arrangements that are at least equivalent for those classes of ship
for which this is impracticable.
3.2 On a ship engaged on an international voyage which is not a short
international voyage, musters of the passengers shall take place within24 h after their embarkation. Passengers shall be instructed in the seu of
the lifejackets and the action to take in an emergency. If only a small
number of passengers embark at a port after the muster has been held it
shall be sufficient, instead of holding another muster, to draw the
attention of these passengers to the emergency instructions required by
Regulations 8.2 and 8.4.
3.3 On a ship engaged on a short international voyage, if a muster of
the passengers is not held on departure, the attention of the passengersshall be drawn to the emergency instructions required by Regulations 8.2and 8.4.
3.4 Each abandon ship drill shall include.
.1 summoning of passengers and crew to muster stations with the
alarm required by Regulation 6.4.2 and ensuring that they are made awareof the order to abandon ship specified in the muster list;
.2 reporting to stations and preparing for the duties described in
the muster list;
.3 checking that passengers and crew are suitably dressed;
.4 checking that lifejackets are correctly donned;
.5 lowering of at least one lifeboat after any necessary
preparation for launching;
.6 starting and operating the lifeboat engine;
.7 operation of davits used for launching liferafts.
3.5 Different lifeboats shall, as far as practicable, be lowered in
compliance with the requirements of paragraph 3.4.5 at successive drills.
3.6 Drills shall, as far as practicable, be conducted as if there were
an actual emergency.
3.7 Each lifeboat shall be launched with its assigned operating crew
aboard and manoeuvred in the water at least once every 3 months during an
abandon ship drill. The Administration may allow ships operating on short
international voyages not to launch the lifeboats on one side if their
berthing arrangements in port and their trading patterns do not permit
launching of lifeboats on that side. However, all such lifeboats shall be
lowered at least once every 3 months and launched at least annually.
3.8 As far as is reasonable and practicable, rescue boats other than
lifeboats which are also rescue boats, shall be launched each month withtheir assigned crew aboard and manoeuvred in the water. In all cases this
requirement shall be complied with at least once every 3 months.
3.9 If lifeboat and rescue boat launching drills are carried out with
the ship making headway, such drills shall, because of the dangers
involved, be practised in sheltered waters only and under the supervision
of an officer experienced in such drills.
3.10 Emergency lighting for mustering and abandonment shall be tested
at each abandon ship drill.
4 On-board training and instructions
4.1 On-board training in the use of the ship''s life-saving appliances,
including survival craft equipment, shall be given as soon as possible but
not later than 2 weeks after a crew member joins the ship. However, if the
crew member is on a regularly scheduled rotating assignment to the ship,such training shall be given not later than 2 weeks after the time of
first joining the ship.
4.2 Instructions in the use of the ship''s life-saving appliances and
in survival at sea shall be given at the same interval as the drills.
Individual instruction may cover different parts of the ship''s life-saving
system, but all the ship''s life-saving equipment and appliances shall becovered within any period of 2 months. Each member of the crew shall be
given instructions which shall include but not necessarily be limited to:
.1 operation and use of the ship''s inflatable liferafts;
.2 problems of hypothermia, first-aid treatment for hypothermia
and other appropriate first-aid procedures;
.3 special instructions necessary for use of the ship''s
life-saving appliances in severe weather and severe sea conditions.
4.3 On-board training in the use of davit-launched liferafts shall
take place at intervals of not more than 4 months on every ship fitted
with such appliances. Whenever practicable this shall include the
inflation and lowering of a liferaft. This liferaft may be a special
liferaft intended for training purposes only, which is not part of the
ship''s life-saving equipment; such a special liferaft shall be
conspicuously marked.
5 Records
The date when musters are held, details of abandon ship drills and
fire drills, drills of other life-saving appliances and on-board training
shall be recorded in such log-book as may be prescribed by the
Administration. If a full muster, drill or training session is not held at
the appointed time, an entry shall be made in the log-book stating the
circumstances and the extent of the muster, drill or training session
held.
Regulation 19 Operational readiness, maintenance and inspections
1 This regulation applies to all ships. The requirements of paragraphs
3 and 6.2 shall be complied with, as far as is practicable, on ships
constructed before 1 July 1986.
2 Operational readiness
Before the ship leaves port and at all times during the voyage, all
life-saving appliances shall be in working order and ready for immediateuse.
3 Maintenance
3.1 Instructions for on-board maintenance of life-saving appliances
complying with the requirements of Regulation 52 shall be provided and
maintenance shall be carried out accordingly.
3.2 The Administration may accept, in lieu of the instructions
required by paragraph 3.1, a shipboard planned maintenance programme
which includes the requirements of Regulation 52.
4 Maintenance of falls
Falls used in launching shall be turned end for end at intervals of
not more than 30 months and be renewed when necessary due to deterioration
of the falls or at intervals on not more than 5 years, whichever is the
earlier.
5 Spares and repair equipment
Spares and repair equipment shall be provided for life-saving
appliances and their components which are subject to excessive wear or
consumption and need to be replaced regularly.
6 Weekly inspection
The following tests and inspections shall be carried out weekly:
.1 all survival craft, rescue boats and launching appliances shall
be visually inspected to ensure that they are ready for use;
.2 all engines in lifeboats and rescue boats shall be run ahead
and astern for a total period of not less than 3 min provided the ambient
temperature is above the minimum temperature required for starting the
engine. In special cases the Administration may waive this requirement for
ships constructed before 1 July 1986;
.3 the general emergency alarm system shall be tested.
7 Monthly inspections
Inspection of the life-saving appliances, including lifeboat
equipment, shall be carried out monthly using the checklist required by
Regulation 52.1 to ensure that they are complete and in good order. A
report of the inspection shall be entered in the log-book.
8 Servicing of inflatable liferafts, inflatable lifejackets and
inflated rescue boats
8.1 Every inflatable liferaft and inflatable lifejacket shall be
serviced:
.1 at intervals not exceeding 12 months. However, in cases where
it appears proper and reasonable, the Administration may extend this
period to 17 months;
.2 at an approved servicing station which is competent to service
them, maintains proper servicing facilities and uses only properly trained
personnel.*
[* Reference is made to the "Recommendation on the conditions for the
approval of servicing stations for inflatable liferafts" adopted by the
Organization by resolution A. 333 (IX).]
8.2 All repairs and maintenance of inflated rescue boats shall be
carried out in accordance with the manufacturer''s instructions. Emergency
repairs may be carried out on board the ship; however, permanent repairsshall be effected at an approved servicing station.
9 Periodic servicing of hydrostatic release units
Hydrostatic release units shall be serviced:
.1 at intervals not exceeding 12 months. However, in cases where
it appears proper and reasonable, the Administration may extend this
period to 17 months;
.2 at a servicing station which is competent to service them,
maintains proper servicing facilities and uses only properly trained
personnel.
SECTION II-PASSENGER SHIPS (ADDITIONAL REQUIREMENTS)
Regulation 20 Survival craft and rescue boats
1 Survival craft
1.1 Passenger ships engaged on international voyages which are not
short international voyages shall carry:
.1 lifeboats complying with the requirements of Regulation 42, 43,
or 44 on each side of such aggregate capacity as will accommodate not less
than 50% of the total number of persons on board. The Administration maypermit the substitution of lifeboats by liferafts of equivalent total
capacity provided that there shall never be less than sufficient lifeboats
on each side of the ship to accommodate 37.5% of the total number of
persons on board. The liferafts shall comply with the requirements of
Regulation 39 or 40 and shall be served by launching appliances equally
distributed on each side of the ship; and
.2 in addition, liferafts complying with the requirements of
Regulation 39 or 40 of such aggregate capacity as will accommodate at
least 25% of the total number of persons on board. These liferafts shallbe served by at least one launching appliance on each side which may be
those provided in compliance with the requirements of paragraph 1.1.1 orequivalent approved appliances capable of being used on both sides.
However, stowage of these liferafts need not comply with the requirements
of Regulation 13.5.
1.2 Passenger ships engaged on short international voyages and
complying with the special standards of subdivision prescribed by
Regulation II-1/6.5 shall carry:
.1 lifeboats complying with the requirements of Regulation 42, 43
or 44 equally distributed, as far as practicable, on each side of the
ship and of such aggregate capacity as will accommodate at least 30% of
the total number of persons on board and liferafts complying with
requirements of Regulation 39 or 40 of such aggregate capacity that,
together with the lifeboat capacity, the survival craft will accommodatethe total number of persons on board. the liferafts shall be served by
launching appliances equally distributed on each side of the ship; and
.2 in addition, liferafts complying with the requirements of
Regulation 39 or 40 of such aggregate capacity as will accommodate at
least 25% of the total number of persons on board. These liferafts shallbe served by at least one launching appliance on each side which may be
those provided in compliance with the requirements of paragraph 1.2.1 orequivalent approved appliances capable of being used on both sides.
However, stowage of these liferafts need not comply with the requirements
of Regulation 13.5.
1.3 Passenger ships engaged on short international voyages and not
complying with the special standard of subdivision prescribed by
Regulation II-1/6.5, shall carry survival craft complying with the
requirements of paragraph 1.1.
1.4 All survival craft required to provide for abandonment by the
total number of persons on board shall be capable of being launched withtheir full complement of persons and equipment within a period of 30 minfrom the time the abandon ship signal is given.
1.5 In lieu of meeting the requirements of paragraph 1.1, 1.2 or 1.3,
passenger ships of less than 500 tons gross tonnage where the total number
of persons on board is less than 200, may comply with the following:
.1 They shall carry on each side of the ship, liferafts complying
with the requirements of Regulation 39 or 40 and of such aggregate
capacity as will accommodate the total number of persons on board.
.2 Unless the liferafts required by paragraph 1.5.1 can be readily
transferred for launching on either side of the ship, additional liferafts
shall be provided so that the total capacity available on each side willaccommodate 150% of the total number of persons on board.
.3 If the rescue boat required by paragraph 2.2 is also a lifeboat
complying with the requirements of Regulation 42, 43 or 44, it may be
included in the aggregate capacity required by paragraph 1.5.1, providedthat the total capacity available on either side of the ship is at least150% of the total number of persons on board.
.4 In the event of any one survival craft being lost or rendered
unserviceable, there shall be sufficient survival craft available for use
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