Witnesses to the recent Black Cat cruise boat accident after it grounded just outside the Akaroa Heads are urged to submit a statement to TAIC immediately.
A nacelle is the part of a wind turbine that houses the generating components and control electronics.
NAL
North Auckland line
NASO
National Ambulance Sector Office
National Air Desk
A coordination and tasking function, operated by Hato Hone St John, that provides oversight, dispatch and clinical support functions to air ambulance services.
National train control centre
The national train control centre is housed in Wellington Railway Station and is where train movements and track occupations are authorised by train controllers.
Nautical miles
1 nautical mile (NM) equals 1.85 kilometres (km)
Navigation officer
The deck officer responsible for planning navigation and maintaining the chart catalogue
Navigator
Database maintained by MNZ since 2010, which can be referenced by other surveyors for vessel survey history.
Navigatus
Real-time weather information in the vicinity of aerodromes, provided by Navigatus.aero
NE
North Shore Aerodrome (Auckland)
Network Control Manager
The Network Control Manager is a shift-working manager based in the train control centre who is responsible for activity on the rail network throughout the country.
New Zealand Waters
New Zealand waters means: (a) the territorial sea of New Zealand; (b) the internal waters of New Zealand; and (c) all rivers and other inland waters of New Zealand.
Newton
A newton is a unit of force, in this case used to describe the magnitude of buoyancy provided by a lifejacket
Night
As defined in Civil Aviation Rules (CARs) Part 1, night means the hours between:
(1) the end of evening civil twilight, which is when the centre of the setting sun’s disc is 6° below the horizon; and
(2) the beginning of morning civil twilight.
Night Vision Imaging System
A system that integrates all elements necessary for a pilot wearing night-vision goggles to operate an aircraft successfully and safely. Night Vision Imaging Systems allow a pilot to have enhanced vision while flying at night under visual meteorological conditions.
NIMT
North Island Main Trunk
NIWA
National Institute of Water and Atmospheric research
nm
Nautical mile
No-go zone
A way of visually representing an area the navigator does not want the vessel to enter
Noise abatement procedure
Prescribed procedures that are designed to reduce the effects of noise within the vicinity of an aerodrome.
Nominal rating (of a filter)
Diameter of the largest spherical particle which will pass through a fluid filter a defined percentage of the time
Non-interlocked
Sidings where points and signalling are hand operated and are not arranged to prevent conflicting movements.
Non-negative result
Indicating the possible presence of the substance being tested for, but not reliable as a final result and requiring laboratory analysis. If laboratory analysis confirms the presence of the substance it is referred to as a positive test result for that substance.
Non-precision approach
A non-precision instrument approach provides lateral guidance only; no vertical guidance.
Non-technical skills
Also known as soft skills, non-technical skills go beyond the technical skills directly related to performing specific tasks. The Railway Safety and Standards Board (RSSB, United Kingdom) lists them in categories that include situational awareness, self-management, cooperation with others, communication, conscientiousness and workload management.
Normalisation of deviance
A term used to describe a situation where operations outside of a rule or regulation become a standard practice or social norm within an organisation or industry.
North Island-based floating fleet
Fleet drivers and vehicles not based at a Mainfreight regional hub that conduct long-distance, point-to-point freight deliveries.
Northland Emergency Services Trust (NEST)
Northland Emergency Services Trust and Auckland Rescue Helicopter Trust had at the time merged to become one company, Northern Rescue Helicopter Limited (NRHL). However, they were still in the process of aligning the two previous entities operationally. For the purposes of this report, we have retained their original names for clarity of the narrative.
NOTAM
Notice to Airmen or Notice to Air Mission is a notice distributed by means of telecommunication containing information on the establishment of, condition of or change in any aeronautical facility, service, procedure or hazard, the timely knowledge of which is essential to personnel concerned with flight operations.
NOTAR®
A helicopter system that avoids the use of a tail rotor
NP
New Plymouth Airport
Np/Nr
Np/Nr is the ratio of the engine turbine speed to the main rotor speed.
NR
Napier Airport
NS
Nelson Airport
NS
Nelson Airport
NTSB
National Transportation Safety Board
Number 1 Reach
A nautical term that can be used to describe a designated course for a vessel to follow in a channel.
NV
Invercargill
NVG
Night vision googles (NVGs) are an item of equipment that, together with other elements (such as aircraft lighting and approved operating procedures), form a night vision imaging system (NVIS).
