DICTIONARY OF

Initial Stability 180 Insurance Policy
Initial Stability. Resistance offered by a vessel, when floating upright, to forces tending to
list her.
Injection. Forcing of fuel into cylinder of a compression ignition oil engine. Forcing of feed
water into a boiler.
Innavigable. Not navigable by ships.
Inner Bottom. Plating laid on top of floors. Upper plating of double bottom tanks. Deck
resting on upper sides of floor timbers.
Inner Post. Timber secured to fore side of stem post to take seatings of transom.
Inner Turns. Those turns, of earing of a square sail, that confine the sail against the yard.
Inshore. Near to the shore. On the shoreward side.
Inside Clinch. Name given to end of rope that is formed into a loop by taking a round turn
on standing part with end on inside of loop.
Insolation. Sun's radiation as received at surface of Earth.
Inspection. Visual examination. 2. Entering a table with known data and abstracting a
tabulated resultant.
Instantaneous Triangle.* Astronomical (PZX) triangle.
In Stays. The position of a sailing vessel when she is going from one tack to the other, head
to wind.
Institute Clauses. Standard forms of clauses that may be inserted in a policy of marine
insurance to limit it, or to extend its scope. Framed and sanctioned by the Institute of London
underwriters. They cover practically all contingencies and requirements.
Institute of London Underwriters. Organisation of firms and persons undertaking marine
insurance. Founded 1884.
Instrumental Error. Error in a measured quantity when due to defect or limitation in the
measuring instrument.
Insulating Coat. Coating of paint, or other substance, to protect a plate or fitting from
deterioration by a subsequent coating. Particularly applied to bitumastic coat between ship's
bottom plating and a corrosive anti-fouling paint.
Insulation. Prevention of leakage from, or into, a body or substance.
Insurable Interest. Such interest in a ship or voyage that failure of ship to carry out voyage
as intended would entail financial loss.
Insurable Value. Sum of money for which insurable items may lawfully and reasonably be
insured. In case of goods carried by sea it is made up of invoiced cost of goods, cost of
freight, cost of insurance, profit. Profit usually assessed as 10 per cent of other costs.
Insurance Broker. Person who acts as intermediary between those requiring insurance and
those willing to insure; more especially those who place marine risks with underwriters.
Insurance Clubs. 'Mutual Indemnity Associations.' 'Small Damage Clubs.'
Insurance Policy. Signed contract of an insurer to make good a loss against which insurance
has been effected.