NUI

NUI

Definition(s)

NUI

Normally Unattended Installation. Source: NOGEPA Guideline 14, Helideck Operations and Procedures Manual, Netherlands, Version 2, December 2011. Global Standards
NAI

NAI

Definition(s)

NAI

Normally Attended Installation. Source: NOGEPA Guideline 14, Helideck Operations and Procedures Manual, Netherlands, Version 2, December 2011. Global Standards
NDB

NDB

Definition(s)

NDB

Non-Directional Beacon. Source: NOGEPA Guideline 14, Helideck Operations and Procedures Manual, Netherlands, Version 2, December 2011. Global Standards
Inbound Flight

Inbound Flight

Definition(s)

Inbound Flight

Flight from offshore to onshore. Source: NOGEPA Guideline 14, Helideck Operations and Procedures Manual, Netherlands, Version 2, December 2011. Global Standards
IMC

IMC

Definition(s)

IMC

Instrument Meteorological Conditions. Source: NOGEPA Guideline 14, Helideck Operations and Procedures Manual, Netherlands, Version 2, December 2011. Global Standards
IFR

IFR

Definition(s)

IFR

Instrument Flight Rules. Source: NOGEPA Guideline 14, Helideck Operations and Procedures Manual, Netherlands, Version 2, December 2011. Global Standards
IATA

IATA

Definition(s)

IATA

International Air Transport Association. Source: NOGEPA Guideline 14, Helideck Operations and Procedures Manual, Netherlands, Version 2, December 2011. Global Standards
HDA

HDA

Definition(s)

HDA

Helideck Assistant. Source: NOGEPA Guideline 14, Helideck Operations and Procedures Manual, Netherlands, Version 2, December 2011. Global Standards
ERT

ERT

Definition(s)

ERT

Emergency Response Team. Source: NOGEPA Guideline 14, Helideck Operations and Procedures Manual, Netherlands, Version 2, December 2011. Global Standards
Aircraft Operator

Aircraft Operator

Definition(s)

Aircraft Operator

Company operating helicopters. Source: NOGEPA Guideline 14, Helideck Operations and Procedures Manual, Netherlands, Version 2, December 2011. Global Standards
dB(A)

dB(A)

Definition(s)

dB(A)

Decibels – a measure of noise level. Source: NOGEPA Guideline 14, Helideck Operations and Procedures Manual, Netherlands, Version 2, December 2011. Global Standards
“D” Circle

“D” Circle

Definition(s)

"D" Circle

A circle, usually imaginary unless the helideck itself is circular, the diameter of which is the “D” value of the largest helicopter the helideck is intended to serve. Source: NOGEPA Guideline 14, Helideck Operations and Procedures Manual, Netherlands, Version 2, December 2011. Global Standards
NRV

NRV

Definition(s)

NRV

Nonreturn valve. Source:API SPECIFICATION 19TT, Specification for Downhole Well Test Tools and Related Equipment, First Edition, October 2016. Global Standards

NRV

A non-return valve. A float or other check valve in the system. See Inside BOP.
Source: IADC UBO / MPD Glossary, December 2011. Global Standards

NRV

Non-return valve. Source: NORSOK D-010, Well integrity in drilling and well operations, Rev. 3, August 2004. Global Standards
CPI

CPI

Definition(s)

CPI

Crash Position Indicator. Source: NOGEPA Guideline 14, Helideck Operations and Procedures Manual, Netherlands, Version 2, December 2011. Global Standards
AFFF

AFFF

Definition(s)

AFFF

Aqueous Film Forming Foam. Source: NOGEPA Guideline 14, Helideck Operations and Procedures Manual, Netherlands, Version 2, December 2011. Global Standards Source: ISO 21457:2010, Petroleum and natural gas industries — Materials selection and corrosion control for oil and gas production systems, First Edition,September 2010. Global Standards
ADELT

ADELT

Definition(s)

ADELT

Automatically Deployable Emergency Locator Transmitter. Source: NOGEPA Guideline 14, Helideck Operations and Procedures Manual, Netherlands, Version 2, December 2011. Global Standards
210° Sector

210° Sector

Definition(s)

210° Sector

Obstacle free Sector of a helideck. (= OFS). Source: NOGEPA Guideline 14, Helideck Operations and Procedures Manual, Netherlands, Version 2, December 2011. Global Standards
180° Sector

180° Sector

Definition(s)

180° Sector

Vertical Obstacle free Sector of a helideck. Source: NOGEPA Guideline 14, Helideck Operations and Procedures Manual, Netherlands, Version 2, December 2011. Global Standards
150° Sector

150° Sector

Definition(s)

150° Sector

Obstructed Sector of a helideck / Limited obstacle sector. (= LOS). Source: NOGEPA Guideline 14, Helideck Operations and Procedures Manual, Netherlands, Version 2, December 2011. Global Standards
μ

μ

Definition(s)

μ

(Pronounced “mu”) measurement of friction. Source: NOGEPA Guideline 14, Helideck Operations and Procedures Manual, Netherlands, Version 2, December 2011. Global Standards
SARIS

SARIS

Definition(s)

SARIS

Search and Rescue Information System. Source: NOGEPA Industrial Guideline No. 20, Alerting Procedure SAR Helicopter for Drifting Vessel (NUC) Offshore, Netherlands, Version 0, January 2009. Global Standards
Red Mining Installation

Red Mining Installation

Definition(s)

Red Mining Installation

“RED MINING INSTALLATION” is an installation with more than 25 persons on board. Minimum SAR warning time needed for a “RED MINING INSTALLATION” is 2 hours until possible impact plus 15 minutes extra for every 25 persons on board of the installation. Source: NOGEPA Industrial Guideline No. 20, Alerting Procedure SAR Helicopter for Drifting Vessel (NUC) Offshore, Netherlands, Version 0, January 2009. Global Standards
Precautionary Down-Manning

Precautionary Down-Manning

Definition(s)

Precautionary Down-Manning

A “Precautionary Down-Manning” may be required in a situation where there is no immediate threat to human life at the very moment, but there is a real possibility of the situation deteriorating and requiring an “Emergency Evacuation” in due time. In order to reduce the number of people having to be transferred during an “Emergency Evacuation”, a “Precautionary Down-Manning”, involving all non-essential personnel, is the first step. Such precautionary down-manning can be performed by both the commercial passenger helicopters and, if necessary, with the addition of the SAR helicopter. The SAR helicopter in this case will operate as a normal helicopter taking a maximum of 9 passengers, which relates to the number of seats available. Source: NOGEPA Industrial Guideline No. 20, Alerting Procedure SAR Helicopter for Drifting Vessel (NUC) Offshore, Netherlands, Version 0, January 2009. Global Standards
NUC

NUC

Definition(s)

NUC

Not Under Command. Source: NOGEPA Industrial Guideline No. 20, Alerting Procedure SAR Helicopter for Drifting Vessel (NUC) Offshore, Netherlands, Version 0, January 2009. Global Standards
KNRM

KNRM

Definition(s)

KNRM

Koninklijke Nederlandse Redding Maatschappij. Source: NOGEPA Industrial Guideline No. 20, Alerting Procedure SAR Helicopter for Drifting Vessel (NUC) Offshore, Netherlands, Version 0, January 2009. Global Standards
HMI

HMI

Definition(s)

HMI

Human machine interface Source:  DNVGL-RP-G108, Cyber security in the oil and gas industry based on IEC 62443, DNV GL, September 2017. Global Standards Source: ISO 13702:2015, Petroleum and natural gas industries — Control and mitigation of fires and explosions on offshore production installations — Requirements and guidelines, Second Edition, August 2015. Global Standards

HMI

Hoofd Mijnbouw Installatie. Source: NOGEPA Industrial Guideline No. 20, Alerting Procedure SAR Helicopter for Drifting Vessel (NUC) Offshore, Netherlands, Version 0, January 2009. Global Standards
Green Mining Installation

Green Mining Installation

Definition(s)

Green Mining Installation

“GREEN MINING INSTALLATION” is an installation with a maximum of 25 persons on board. Minimum SAR warning time needed for a “GREEN MINING INSTALLATION” is 2 hours until possible impact. Source: NOGEPA Industrial Guideline No. 20, Alerting Procedure SAR Helicopter for Drifting Vessel (NUC) Offshore, Netherlands, Version 0, January 2009. Global Standards
Emergency Evacuation

Emergency Evacuation

Definition(s)

Emergency Evacuation

An “Emergency Evacuation” is required when immediate or very imminent threat to human life is at stake, requiring quick and timely evacuation of personnel. In such a case the SAR helicopter can take up to 25 passengers. Source: NOGEPA Industrial Guideline No. 20, Alerting Procedure SAR Helicopter for Drifting Vessel (NUC) Offshore, Netherlands, Version 0, January 2009. Global Standards
ETV

ETV

Definition(s)

ETV

Emergency Towing Vessel. Source: NOGEPA Industrial Guideline No. 20, Alerting Procedure SAR Helicopter for Drifting Vessel (NUC) Offshore, Netherlands, Version 0, January 2009. Global Standards
AIS

AIS

Definition(s)

AIS

Automatic Identification System. Source: NOGEPA Industrial Guideline No. 20, Alerting Procedure SAR Helicopter for Drifting Vessel (NUC) Offshore, Netherlands, Version 0, January 2009. Global Standards