Glossary Papakupu

Explanations of abbreviations and acronyms.
All 1 A B C D E F G H I J K L M N O P Q R S T U V W Y

    I

    IACS
    International Association of Classification Societies
    IAS
    indicated airspeed
    IATA
    International Air Transport Association
    IATA DGR
    International rules governing air transport of dangerous goods
    ICAO
    International Civil Aviation Organization
    Ice accretion
    The process by which a layer of ice (icing) builds up on solid objects that are exposed to freezing precipitation or to supercooled fog or cloud droplets.
    IFR
    Instrument flight rules
    ILS
    instrument landing system
    IMC
    Instrument meteorological conditions (or visibility has reduced to an extent that visual reference of the horizon is lost).
    IMO
    International Maritime Organization
    Impassable
    For the purposes of this report, the term ‘impassable’ is used to describe a section of track that should have been closed to rail traffic.
    Increased loading
    A type of acceleration force that causes a perception of weight otherwise known as g-force.
    Instrument approach procedure
    A series of predetermined manoeuvres by reference to flight instruments with specified protection from obstacles.
    Interference fit
    In this method, the fastening between the pintle and taper in the lower casting is achieved by friction after the parts are pushed together.
    Interlocking
    Signal system logic ensuring safe train routes do not conflict
    Inverter
    An electrical device that converts direct current to alternating current
    IPMux
    Internet protocol multiplexer
    ITD
    Individual Train Detection