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 Z

    M

    M2000 Mechanical Code
    Its purpose is to ensure that rail vehicles and associated equipment comply with the conditions of KiwiRail’s Rail Licence and National Rail System Standards (NRSS).
    M8
    A bolt that has a diameter of eight millimetres
    Made fast
    Secured to the port facility
    Magneto
    An engine-driven electrical generator that produces high voltage that forces a spark to jump across a spark plug gap in a cylinder. The engine is equipped with two magnetos; the engine’s right magneto has tachometer contact points that provide an engine RPM signal to the governor controller and engine tachometer.
    MAIIF
    Marine Accident Investigators’ International Forum (MAIIF) is an international non-profit organisation dedicated to the advancement of maritime safety and the prevention of marine pollution
    Main deck
    The main continuous deck of a vessel
    Main line
    In multiple-line areas, the up main line is generally used by rail traffic travelling in a northerly direction, whereas the down main line is used to travel in a southerly direction.
    Main rotor disc
    The area swept by the main rotor blades each revolution
    Main rotor pitch change bearings
    Main rotor pitch change bearings, commonly referred to as spindle bearings.
    Main South Line
    a 601-kilometre-long train line that runs from Lyttelton, near Christchurch, to Invercargill. The 0.00 km peg is at Lyttelton
    Main undercarriage
    A wheeled structure beneath an aircraft that supports the aircraft on the ground. Also known as the landing gear.
    Main-engine sump
    The internal space at the bottom of an engine where lubricating oil accumulates, or as in this case drains into the lube-oil tank below.
    Maintenance provider
    A person who provides maintenance services for any railway infrastructure or rail vehicle, whether or not that person engages rail personnel to do so on its behalf.
    Man-cage
    A man-cage is a small area on the top of the spreader that has a circular metal bar at approximately waist-height. Stevedores can stand on this part of the spreader and clip their harnesses on to the bar before being lifted up and down by the crane. Containers are not attached to the spreader when transporting stevedores in the man-cage.
    Manifest
    List of cargo passengers and crew carried by a vessel or aircraft
    Manual control
    The train control system provides the ability to activate certain level crossing alarms that were historically controlled by local signal boxes. With the closure of local signal boxes these locations can be controlled remotely from the train control centre in Wellington. Some level crossings do not require the ability to be activated remotely and rely on automatic activation by the approach of a train.
    Marinisation
    Marinisation is the process of modifying or converting for marine use.
    Maritime Transport Operator Plan (MTOP)
    A comprehensive safety management plan that vessel operators must develop and maintain to ensure the safe operation of their vessels.
    Mark up the site
    To spray-paint the position of equipment or vehicles on the railway so that measurements can be taken once the equipment has been moved
    MARPOL
    International Convention for the Prevention of Pollution from Ships
    Marshalling
    Yard process of sorting and arranging rail wagons into trains
    Mast bumping
    An event that results from contact between an inner part of a main rotor blade or rotor hub and the main rotor shaft.
    Master
    A licensed mariner who has command of a merchant vessel
    Master caution light
    A light on an instrument panel designed to gain a pilot’s attention and direction them to an area of concern.
    Master/pilot exchange
    A formal exchange of information between the master and the pilots on matters such as the ship’s characteristics, operational parameters and the pilots’ intended passage.
    Maximum continuous rating
    The maximum power output an engine can sustain continuously at safe limits and in safe conditions.
    Maximum diversion time
    The maximum flight time, calculated at the cruise speed in still air with one-engine inoperative, that a multi-engine, turbine powered aeroplane on extended diversion time operations may be from a suitable alternate aerodrome.
    Maximum draught
    Defined as the distance between the ship’s keel and the waterline of the vessel.
    Maximum material condition
    The maximum amount of material a part can have and still meet dimensional tolerances. For external features this is the upper tolerance (largest allowable) and for internal features (ie, holes) this is the lower tolerance (smallest allowable).
    Maximum payload
    The difference between the operating weight and the maximum all-up weight.
    Maximum weight
    Maximum weight is also known in New Zealand as the Maximum All Up Weight
    Mayday call
    The internationally recognised maritime distress call over radio communications used to indicate that a vessel, aircraft or person is in grave and imminent danger and requires immediate assistance
    Mayday relay
    A radio broadcast used to repeat a Mayday (distress) call or broadcast a Mayday call on behalf of a vessel in distress
    MB
    Mechanics Bay Heliport (Auckland)
    MBB
    Messerschmitt-Bolkow-Blohm
    MBL
    Minimum breaking load
    MBZ
    Mandatory Broadcast Zone
    MDF
    Medium-density fibreboard
    MEC3
    Marine Engineering Class 3 [Certificate]
    MEC5
    Marine Engineering Class 5 [Certificate]
    Medevac
    Medevac is the transportation of patients from the accident site to a medical facility.
    MeFlight
    A pilot weather briefing service supplied by MetService
    MEL
    MEL is Minimum Equipment List for an aircraft to remain operational.
    Memorandum of Understanding
    A memorandum between countries by region to avoid ships undergoing undue repetitive PSC inspections in every country visited. These memorandums also provide mechanisms for other countries to follow up on deficiencies that have a future date by which they must be rectified.
    Mental model
    An internal representation of how an individual understands a particular situation to be. Representations develop from cues in the immediate environment as well as knowledge gained through training and experience.
    MEOSAR
    Medium-altitude earth orbit search and rescue satellite system for distress alerting and position determination of 406 MHz beacons.
    Metal road
    An unsealed or shingle road
    METAR
    Aviation routine weather report
    Metroliner
    A 19-seat twin-turboprop(ellor) aeroplane.
    MetService
    Meteorological Service of New Zealand.
    MetSolutions
    MetSolutions is contracted to KiwiRail to provide general weather updates three times a week and further alerts (escalated weather alerts) when severe weather is predicted.
    Microlight
    An aircraft that weighs less than 600 kilograms when fully loaded.
    Mimic screen
    A mimic screen is a visual display of the train control system whereby the train controller commands the movement of points and the operation of signals.
    Minima
    Criteria used by pilots to determine if they can land or take-off from a runway. Consists of two parts: cloud base and visibility.
    Minimum safe altitude
    The lowest altitude which may be used which will provide a minimum clearance of 1,000 feet (300 m) above all objects located in the area contained within a sector of a circle of 46 km (25 nautical miles) radius centred on a radio aid to navigation (ICAO)
    Mis 51
    KiwiRail form issued as an operating instruction
    Mis 71 pad
    A Mis 71 pad contains printed forms to be completed for track occupation cross checks when requesting track time. KiwiRail has several different Mis (Miscellaneous) forms.
    Mis.88
    Name of form used by addressees to record details of track warrants
    Missed approach
    The phase of an instrument approach when an aircraft overshoots from the approach and climbs back to a safe altitude
    MLW
    Maximum Landing Weight of an aircraft
    MNZ Recognised Surveyor
    A person whose qualifications or certifications as a surveyor have been recognised by the Director of MNZ in accordance with section 41(2) of the Maritime Transport Act 1994.
    Mobile track maintenance vehicles
    Rail vehicles specifically designed and used for maintaining rail tracks (can also be referred to as rail maintenance vehicles or rail maintenance machines)
    Mobile-plant controller
    A person responsible for authorising the movements of mobile plant within a worksite
    MONIM
    Met Office Night Illumination Model
    Monorail
    A monorail overhead crane is a simple lifting device with one beam (rail) that has a hoist and trolley.
    Monorail overhead crane
    A simple lifting device with one beam (rail) that has a hoist and trolley
    Monsoon bucket
    A generic term to describe a bucket suspended beneath a helicopter, intended to carry and drop water as required. A vast number of different designs are utilised globally
    Mooring
    Securing a vessel to a fixed or floating object
    Mooring winches
    A mechanical device that is used to pull in or let out or otherwise adjust the tension of a rope or wire rope.
    Morning civil twilight
    When the centre of the rising sun’s disc is 6 degrees (°) below the horizon. It is defined as the end of night in CARs Part 1 Definitions and Abbreviations
    MOSS
    Maritime Operator Safety System
    MoT
    Ministry of Transport
    Motorsailer
    A boat designed primarily as a motor launch but fitted with rigging and sails as an alternative means of propulsion.
    MOU
    Memorandum of Understanding
    MPLS
    Multi-protocol label switching
    MSC
    Maritime Safety Committee
    MSC circular
    A statutory document issued by IMO’s Maritime Safety Committee
    MSCD
    Minimum Safe Crewing Document
    MSL
    Main South Line
    MTMVs
    Mobile Track Maintenance Vehicles are large self-propelled machines that travel along the rail line to conduct maintenance work.
    MTOC
    Maritime Transport Operator Certificate
    MTOP
    Maritime Transport Operator Plan
    MTOW
    Maximum Takeoff Weight of an aircraft
    Multiline
    A line that incorporates an up and a down main line adjacent to each other
    Multiple Unit
    Train set with distributed traction across cars