FullDescription:Aircraft

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Air data computer

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Term air data computer
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central air data computer

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Abbreviation

ADC

Definition

A device which computes altitude, vertical speed, air speed and mach number from inputs of pitot and static pressure and temperature.

Definition Source

NATO (1998) glossary of terms and definitions, North Atlantic Treaty Organization. Military Agency for Standardization.

Bruxelles : OTAN, 1998

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Aircraft

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Term aircraft
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Abbreviation

ACFT

A/C

Definition

Any machine that can derive support in the atmosphere from the reactions of the air other than the reactions of the air against the earth's surface.

Definition Source

ICAO (1990), "Annex 2 to the Convention on International Civil Aviation: Rules of the Air", July 1990

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Aircraft Intent

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Term Aircraft Intent
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SESAR

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Flight Intent

Pilot Intent

Controller Intent

Ground Automation Intent

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Abbreviation

Definition

1.Behaviour by the aircraft that will have an impact on the aircraft trajectory.

2.Information on planned future aircraft behaviour, which can be obtained from the aircraft systems (avionics). It is associated with the commanded trajectory and will enhance airborne functions. The aircraft intent data correspond either to aircraft trajectory data that directly relate to the future aircraft trajectory as programmed inside the avionics, or the aircraft control parameters as managed by the automatic flight control system. These aircraft control parameters could either be entered by the flight crew or automatically derived by the Flight Management System.

Definition Source

1.SESAR Concept of Operations Step 2 Edition 2014 (Ed. 01.01.00)

2.ICAO (2008) doc. 9882, Manual on Air Traffic Management System Requirements

Note

Lexicon Release

Lexicon Release 2015.1

Aircraft address

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Term aircraft address
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Abbreviation

Definition

A unique combination of twenty-four bits available for assignment to an aircraft for the purpose of air-ground communications, navigation and surveillance

Definition Source

ICAO/OACI, "International Civil Aviation Vocabulary", Doc. 9713, Vol.1, 1998

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Aircraft call sign

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Term aircraft call sign
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Abbreviation

Definition

A group of alphanumeric characters used to identify an aircraft in air-ground communication.

Definition Source

ICAO (1984) DOC 9426 Air Traffic Services Planning Manual 1984, p. V-1-1-2

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Aircraft data circuit-terminating equipment

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Term aircraft data circuit-terminating equipment
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aircraft data link processor

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Abbreviation

ADCE

Definition

An aircraft specific data circuit-terminating equipment that is associated with an airborne data link processor (ADLP). It operates a protocol unique to Mode S data link for data transfer between air and ground.

Definition Source

ICAO, Official definition, ANNEX 10/III Aeronautical Telecommunications — Part I, Digital Data Communication Systems; Part II, Voice Communications Systems 1995, 1st ed

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Aircraft identification

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Term aircraft identification
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Abbreviation

ACID


Definition

A group of letters, figures or a combination thereof which is either identical to, or the coded equivalent of, the aircraft call sign to be used in air-ground communications, and which is used to identify the aircraft in ground-ground air traffic services communications.

Definition Source

ICAO, official definition, PANS-ATM Procedures for Air Navigation Services — Air Traffic Management [Doc 4444] 2001, 14th ed. (Amdt 3, 29/06/2004 )

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Aircraft in the future air traffic management system

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Term aircraft in the future air traffic management system
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aircraft in the future ATM system

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more autonomous aircraft in the future air traffic management system (MA-AFAS)

Abbreviation

AFAS

Definition

a three-year project launched in April 2000, investigating the cost-benefit relationship of combined innovative technologies, the regulatory, safety and service standards required for their safe and successful operation on a day-to-day basis, and the engineering and operational issues that these standards will need to address.

Definition Source

EUROPEAN COMMISSION, Research, [1]

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Aircraft movement

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Term aircraft movement
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Abbreviation

Definition

An aircraft take-off or landing at an airport. For airport traffic purposes one arrival and one departure is counted as two movements.

Definition Source

ICAO, DOC 9180 Civil Aviation Statistics of the World 2001

Note

- International. All flights of national or foreign aircraft whose origin or destination is located in the territory of a State other than that in which the airport being reported on is located.

Domestic. All flights of national or foreign aircraft in which all the airports are located in the territory of the same State. In both cases the flight shall be considered as consisting of the total of its flight stages (i.e. from take-off to its next landing); technical stops are not taken into account.

(source:ICAO, doc. ATREPF-I-S Airport Traffic 2000)

Aircraft observation

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Term aircraft observation
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Abbreviation

Definition

The evaluation of one or more meteorological elements made from an aircraft in flight.

Definition Source

ICAO, Official definition, ANNEX 3 Meteorological Service for International Air Navigation 2010

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Aircraft operating agency

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Term aircraft operating agency
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operator

aircraft operator (AO)

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Abbreviation

AOA

Definition

A person, organization or enterprise engaged in or offering to engage in an aircraft operation.

Definition Source

ICAO, official definition for "operator",

ANNEX 3 Meteorological Service for International Air Navigation 2010

ANNEX 11 Air Traffic Services 2001

ANNEX 13 Aircraft Accident and Incident Investigation 2010

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Aircraft operating manual

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Term aircraft operating manual
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Abbreviation

Definition

A manual, acceptable to the State of the Operator, containing normal, abnormal and emergency procedures, checklists, limitations, performance information, details of the aircraft systems and other material relevant to the operation of the aircraft.

Definition Source

ICAO (2010) Official definition, ANNEX 6/I Operation of Aircraft — International Commercial Air Transport — Aeroplanes

Note

The aircraft operating manual is part of the operations manual. (same source)

Aircraft stand taxilane

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Term aircraft stand taxilane
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Aircraft Stand

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Abbreviation

Definition

A portion of an apron designated as a taxiway and intended to provide access to aircraft stands only.

Definition Source

ICAO, Official definition, ANNEX 2 Rules of the Air 2005

Note

The terms "taxiway" and "taxilane" should be clearly distinguished, as reflected in their definitions. (Note of the EUROCONTROL terminologist)

Aircraft type designator

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Term aircraft type designator
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Abbreviation

Definition

A group of alphanumeric characters used to identify, in an abbreviated form, a type of aircraft.

Definition Source

ICAO, AIRCRAFT TYPE DESIGNATORS - DOC 8643 (SL 96/88 [96.4017] 13/12/96)

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Breakaway thrust

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Term breakaway thrust
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Abbreviation

Definition

Engine power needed to initiate movement and reach taxiing speed.

Definition Source

Bill Gunston, Editor, Jane’s Information Group, "The Cambridge Aerospace Dictionary", 2004

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Cargo aircraft

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Term cargo aircraft
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passenger aircraft

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Abbreviation

Definition

Any aircraft, other than a passenger aircraft, which is carrying goods or property.

Definition Source

ICAO, Official definition, Annex 18, The Safe Transport of Dangerous Goods by Air (July 2011)

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Category I operation

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Term Category I operation
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Category II operation

Category IIIA operation

Category IIIB operation

Category IIIC operation

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Instrument Approach Procedure

Narrower term


Abbreviation

CAT I

Definition

A precision instrument approach and landing with:

a) a decision height not lower than 60 m (200 ft); and

b) with either a visibility not less than 800 m or a runway visual range not less than 550 m.

Definition Source

ICAO, Official definition:

ANNEX 6/I Operation of Aircraft — International Commercial Air Transport — Aeroplanes 2010

ANNEX 6/II Operation of Aircraft — International General Aviation — Aeroplanes 1998

ANNEX 6/III Operation of Aircraft — International Operations — Helicopters 2010

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Category II operation

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Term Category II operation
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Category I operation

Category IIIA operation

Category IIIB operation

Category IIIC operation

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Instrument Approach Procedure

Narrower term


Abbreviation

CAT II

Definition

A precision instrument approach and landing with:

a) a decision height lower than 60 m (200 ft), but not lower than 30 m (100 ft), and

b) a runway visual range not less than 300 m.

Definition Source

ICAO, Official definition:

ANNEX 6/I Operation of Aircraft — International Commercial Air Transport — Aeroplanes 2010

ANNEX 6/II Operation of Aircraft — International General Aviation — Aeroplanes 1998

ANNEX 6/III Operation of Aircraft — International Operations — Helicopters 2010

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Category IIIA operation

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Term Category IIIA operation
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Category I operation

Category II operation

Category IIIB operation

Category IIIC operation

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Instrument Approach Procedure

Narrower term


Abbreviation

CAT IIIA

Definition

A precision instrument approach and landing with:

a) a decision height lower than 30 m (100 ft) or no decision height; and

b) a runway visual range not less than 175 m.

Definition Source

ICAO, Official definition:

ANNEX 6/I Operation of Aircraft — International Commercial Air Transport — Aeroplanes 2010

ANNEX 6/II Operation of Aircraft — International General Aviation — Aeroplanes 1998

ANNEX 6/III Operation of Aircraft — International Operations — Helicopters 2010

Note

Category IIIB operation

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Term Category IIIB operation
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Category I operation

Category II operation

Category IIIA operation

Category IIIC operation

Broader term

Instrument Approach Procedure

Narrower term


Abbreviation

CAT IIIB

Definition

A precision instrument approach and landing with:

a) a decision height lower than 15 m (50 ft) or no decision height; and

b) a runway visual range less than 175 m but not less than 50 m.

Definition Source

ICAO, Official definition:

ANNEX 6/I Operation of Aircraft — International Commercial Air Transport — Aeroplanes 2010

ANNEX 6/II Operation of Aircraft — International General Aviation — Aeroplanes 1998

ANNEX 6/III Operation of Aircraft — International Operations — Helicopters 2010

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Category IIIC operation

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Term Category IIIC operation
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Category I operation

Category II operation

Category IIIA operation

Category IIIB operation

Broader term

Instrument Approach Procedure

Narrower term


Abbreviation

CAT IIIC

Definition

A precision instrument approach and landing with no decision height and no runway visual range limitations.

Definition Source

ICAO, Official definition:

ANNEX 6/I Operation of Aircraft — International Commercial Air Transport — Aeroplanes 2010

ANNEX 6/II Operation of Aircraft — International General Aviation — Aeroplanes 1998

ANNEX 6/III Operation of Aircraft — International Operations — Helicopters 2010

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Cockpit

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Term cockpit
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flight deck

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Abbreviation

Definition

Space occupied by pilot or other occupants. Preferably restricted to small aircraft in which occupants cannot move from their seat. Term could arguably be applied to all aerodyne pilot stations, but flight deck preferred for large aircraft.

Definition Source

JANE's Aerospace Dictionary, Third Edition, 1988

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Cockpit Voice Recorder

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Term Cockpit Voice Recorder
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Flight Data Recorder (FDR)

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Abbreviation

CVR

Definition

a device used to record the audio environment in the flight deck for the purpose of investigation of accidents and incidents.

Definition Source

Skybrary, http://www.skybrary.aero/index.php/Cockpit_Voice_Recorder_(CVR)

Note

The CVR records and stores the audio signals of the microphones and earphones of the pilots’ headsets and of an area microphone installed in the cockpit. (Note source: Skybrary)

Damp-leased aircraft

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Term damp-leased aircraft
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wet-leased aircraft

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leased aircraft

Narrower term


Abbreviation

Definition

(used in some cases to refer to) a wet-leased aircraft that includes a cockpit crew but not cabin attendants.

Definition Source

ICAO (2004), doc. 9626, Manual on the Regulation of International Air Transport

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Dry lease

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Term dry lease
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dry-leased aircraft

wet lease agreement

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Abbreviation

Definition

A leasing arrangement in which only the aircraft is provided, without crew or maintenance guarantees. Under a dry-lease arrangement, the aircraft is operated under the AOC of the lessee.

Definition Source

ICAO (2008), doc. 9885, Guidance on the Use of Emissions Trading for Aviation

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Dry-leased aircraft

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Term dry-leased aircraft
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dry lease

Broader term

leased aircraft

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Abbreviation

Definition

(an aircraft used under a contractual leasing arrangement) that does not include a crew.

Definition Source

ICAO (2004), doc. 9626, Manual on the Regulation of International Air Transport

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Flight Data Recorder

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Term Flight Data Recorder
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Cockpit Voice Recorder (CVR)

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Abbreviation

FDR

Definition

device used to record specific aircraft performance parameters.

Definition Source

Skybrary, http://www.skybrary.aero/index.php/Flight_Data_Recorder_(FDR)

Note

The purpose of a FDR system is to collect and record data from a variety of airplane sensors onto a medium designed to survive an accident.

Flight recorders comprise two systems, a flight data recorder (FDR) and a cockpit voice recorder (CVR). Sometimes, both FDR and CVR functions are combined into a single unit (ICAO Definition: Combination recorders). Combination recorders need to meet the flight recorder equipage requirements as specifically indicated in ICAO Annex 6 – Operation of Aircraft. (Note source: Skybrary)

Flight Management System

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Term Flight Management System
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Automatic Flight Control System

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Abbreviation

FMS

Definition

1. An integrated system, consisting of an airborne sensor, receiver and computer with both navigation and aircraft performance databases, which provides performance and RNAV guidance to a display and automatic flight control system.

2. an on-board multi-purpose navigation, performance, and aircraft operations computer designed to provide virtual data and operational harmony between closed and open elements associated with a flight from pre-engine start and take-off, to landing and engine shut-down.

Definition Source

1. ICAO, Technical Committee of the Regional Safety Oversight Cooperation System, ADVISORY CIRCULAR, AC : 91-008, DATE : 12/10/09, REVISION : 1, ISSUED BY : SRVSOP, SUBJECT: AIRCRAFT AND OPERATORS APPROVAL FOR RNP APPROACH (RNP APCH) OPERATIONS

2. SKYBRARY website [2]

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Flight deck

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Term flight deck
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cockpit

flight crew member

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Abbreviation

Definition

Term encompassing the flight crew and/or aircraft systems.

Definition Source

ICAO (2008), doc. 9882, Manual on Air Traffic Management System Requirements

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Flight simulation training device

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Abbreviation

FSTD

Definition

Any one of the following three types of apparatus in which flight conditions are simulated on the ground:

-A flight simulator, which provides an accurate representation of the flight deck of a particular aircraft type to the extent that the mechanical, electrical, electronic, etc. aircraft systems control functions, the normal environment of flight crew members, and the performance and flight characteristics of that type of aircraft are realistically simulated;

-A flight procedures trainer, which provides a realistic flight deck environment, and which simulates instrument responses, simple control functions of mechanical, electrical, electronic, etc. aircraft systems, and the performance and flight characteristics of aircraft of a particular class;

-A basic instrument flight trainer, which is equipped with appropriate instruments, and which simulates the flight deck environment of an aircraft in flight in instrument flight conditions.

Definition Source

ICAO (2010) Official definition, Annex 6/I, Operation of Aircraft — International Commercial Air Transport — Aeroplanes

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Fly-by-wire system

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Abbreviation

FBW

Definition

Flight control system in which a computer processes the pilot's commands and sends them to the flight control surface actuators by electrical signals rather than mechanical linkage; backup modes may bypass the computer.

Definition Source

ICAO, TRD Technical File, Air Line Pilot, 2/2000, p. 20 (FBW Glossary)

Note

FBW also includes 'fly-by-light', in which the same effects are accomplished through fiber-optic cables. Power-by-wire', means the actuators themselves are electric.

Full Authority Digital Engine Control

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Term Full Authority Digital Engine Control
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full authority digital engine control

full-authority digital electronic engine control

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Abbreviation

FADEC

Definition

a system consisting of a digital computer and ancillary components that control an aircraft’s engine and propeller. First used in turbine-powered aircraft, and referred to as full authority digital electronic control, these sophisticated control systems are increasingly being used in piston powered aircraft.

Definition Source

Federal Aviation Administration (FAA)Pilot's Handbook of Aeronautical Knowledge (2008), Chapter 6 (Aircraft Systems) [3]

Note

In a spark ignition reciprocating engine the FADEC uses speed, temperature, and pressure sensors to monitor the status of each cylinder. A digital computer calculates the ideal pulse for each injector and adjusts ignition timing as necessary to achieve optimal performance. In a compression ignition engine the FADEC operates similarly and performs all of the same functions, excluding those specifically related to the spark ignition process. (same source)

High-speed civil transport aircraft

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Term high-speed civil transport aircraft
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Broader term

aircraft

Narrower term


Abbreviation

HSCT

Definition

(generally used to refer to) various future supersonic commercial transport aircraft under study.

Definition Source

ICAO (2004), doc. 9626, Manual on the Regulation of International Air Transport

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Hypersonic aircraft

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Term hypersonic aircraft
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aircraft

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Abbreviation

Definition

An aircraft that can fly at speeds exceeding a Mach number of 5.

Definition Source

ICAO (2004), doc. 9626, Manual on the Regulation of International Air Transport

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Landing gear

Link Semantic Value
Term landing gear
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EAEA

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Abbreviation

Definition

The components of an aircraft or a spacecraft that support the weight of the craft and its load and give it mobility on ground or water.

Definition Source

The American Heritage® Dictionary of the English Language,4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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Leading edge

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trailing edge

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Abbreviation

Definition

1. (Surveillance) "Front edge of a pulse."

2. (aircraft) "The forward edge of an aerofoil or other body moving through the air."

Definition Source

1. EUROCONTROL SASS-C Glossary

2. Agard Multilingual Aeronautical Dictionary

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Leased aircraft

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Term leased aircraft
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wet-leased aircraft

dry-leased aircraft

damp-leased aircraft

Abbreviation

Definition

An aircraft used under a contractual leasing arrangement.

Definition Source

ICAO (2004) doc. 9626, Manual on the Regulation of International Air Transport

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Long-range aircraft

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Abbreviation

Definition

an aircraft capable of exceeding 5 556 kilometres (3 000 nautical miles) with a full payload at normal cruising conditions.

Definition Source

ICAO (2004), doc. 9626, Manual on the Regulation of International Air Transport

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Medium-range aircraft

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Term medium-range aircraft
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Abbreviation

Definition

(an aircraft) usually capable of flying between 2 224-5 556 kilometres (1 200-3 000 nautical miles) with a full payload at normal cruising conditions

Definition Source

ICAO (2004), doc. 9626, Manual on the Regulation of International Air Transport

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Mega-carrier

Link Semantic Value
Term mega-carrier
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Broader term

air carrier

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Abbreviation

Definition

an expression used to refer to a very large carrier in terms of its scale of operation and/or route network.

Definition Source

ICAO (2004), doc. 9626, Manual on the Regulation of International Air Transport

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More autonomous aircraft in the future air traffic management system

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aircraft in the future air traffic management system (AFAS)

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Abbreviation

MA-AFAS

Definition

"research project within the 5th Framework Programme" contributing to "foster the more efficient and flexible use of airspace; optimise the use of airport capacities and facilities; allow for the more efficient use of aircraft through optimised 4D trajectory routing, employment of Airborne Separation Assistance Systems (ASAS), enhanced fleet management and Collaborative Decision Making (CDM) support; and enable weather independent operations."

Definition Source

EUROPEAN COMMISSION (2006) "The SESAR Initiative: Research paves the way for the Single European Sky" [4]

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Narrow-body aircraft

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wide-body aircraft

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Abbreviation

Definition

an aircraft having only one aisle in the cabin with passenger seating divided into two axial groups.

Definition Source

ICAO (2004), doc. 9626, Manual on the Regulation of International Air Transport

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Passenger aircraft

Link Semantic Value
Term passenger aircraft
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cargo aircraft

Broader term


Narrower term


Abbreviation

Definition

An aircraft that carries any person other than a crew member, an operator’s employee in an official capacity, an authorized representative of an appropriate national authority or a person accompanying a consignment or other cargo.

Definition Source

ICAO, Official definition, Annex 18, The Safe Transport of Dangerous Goods by Air (July 2011)

Note

alternative ICAO definition: An aircraft primarily designed and configured for the transport of persons and their accompanying baggage.(doc. 9626, Manual on the Regulation of International Air Transport

Private aircraft

Link Semantic Value
Term private aircraft
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State aircraft

Broader term


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Abbreviation

Definition

any non-State aircraft used for non-commercial purposes.

Definition Source

ICAO (2004), doc. 9626, Manual on the Regulation of International Air Transport

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Required navigation performance

Link Semantic Value
Term required navigation performance
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SESAR

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Required Surveillance Performance (RSP)

Broader term


Narrower term


Abbreviation

RNP

Definition

A statement of the navigation performance necessary for operation within a defined airspace.

Definition Source

ICAO, Official definition, AN 6/I Operation of Aircraft — International Commercial Air Transport — Aeroplanes 2010

Note

Navigation performance and requirements are defined for a particular RNP type and/or application.

Lexicon Release

Lexicon Release 2015.2

SSR Mode S address

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Term SSR Mode S address
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SSR Mode S

aircraft address

Broader term


Narrower term


Abbreviation

Definition

The SSR Mode S address shall be one of 16 777 214 twenty-four-bit aircraft addresses allocated by ICAO to the State of Registry or common mark registering authority and assigned as prescribed in 3.1.2.4.1.2.3.1.1. in the Appendix to Chapter 9, Part 1, Volume III, Annex 10.

Definition Source

ICAO, Annex 10, Aeronautical Telecommunications, Volume IV

Note

Short take-off and landing aircraft

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Term short take-off and landing aircraft
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STOL aircraft

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stolport

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Abbreviation

Definition

an aircraft designed for taking off and landing on short runways.

Definition Source

ICAO (2004), doc. 9626, Manual on the Regulation of International Air Transport

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State aircraft

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Operational Air Traffic (OAT)

private aircraft

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Abbreviation

Definition

any aircraft used for military, customs, police or other law enforcement services of a State.

Definition Source

ICAO (2004), doc. 9626, Manual on the Regulation of International Air Transport

Note

see also: ICAO, CONVENTION ON INTERNATIONAL CIVIL AVIATION, SIGNED AT CHICAGO, ON 7 DECEMBER 1944 (CHICAGO CONVENTION), Article 3 b

Subsonic aircraft

Link Semantic Value
Term subsonic aircraft
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Broader term

aircraft

Narrower term


Abbreviation

Definition

an aircraft incapable of sustaining level flight at speeds exceeding a Mach number of 1 (i.e. the speed of sound)

Definition Source

ICAO (2004), doc. 9626, Manual on the Regulation of International Air Transport

Note

Supersonic aircraft

Link Semantic Value
Term supersonic aircraft
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Broader term

aircraft

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Abbreviation

Definition

[an aircraft] capable of flying at speeds exceeding the speed of sound.

Definition Source

ICAO (2004), doc. 9626, Manual on the Regulation of International Air Transport

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Trailing edge

Link Semantic Value
Term trailing edge
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leading edge

Broader term


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Abbreviation

Definition

1. (Surveillance) "Outline of pulse as amplitude falls from peak to zero or minimum positive value."

2. (Aircraft) The rear edge of an airfoil.The trailing edge is normally thin and sharp. The ailerons are normally located on the trailing edge of the wing.

Definition Source

1. Jane's Aerospace Dictionary, 1988

2. NASA Quest [5]

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Ultra-high-capacity transport aircraft

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Term ultra-high-capacity transport aircraft
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Abbreviation

UHCT

Definition

a type of aircraft currently under consideration by some aircraft manufacturers which is expected to have over 600 seats.

Definition Source

ICAO (2004) doc. 9626, Manual on the Regulation of International Air Transport

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Unmanned aerial vehicle

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Wet lease agreement

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wet lease

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wet-leased aircraft

damp-leased aircraft

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Definition

A leasing arrangement in which the aircraft is provided plus at least one pilot. Under a wet-lease arrangement, the aircraft is normally operated under the AOC of the lessor.

Definition Source

ICAO (2008) doc. 9885, Guidance on the Use of Emissions Trading for Aviation

Note

A wet lease is typically utilized during peak traffic seasons or annual heavy maintenance checks, or to initiate new routes. When an air carrier provides less than an entire aircraft crew, occasionally the wet lease is referred to as a damp lease.

Wet-leased aircraft

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wet lease agreement

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leased aircraft

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Definition

[an aircraft used under a contractual leasing agreement,] including a crew

Definition Source

ICAO (2004), doc. 9626, Manual on the Regulation of International Air Transport

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Wide-body aircraft

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Term wide-body aircraft
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narrow-body aircraft

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Definition

a large transport aircraft with internal cabin width sufficient for normal passenger seating to be divided into three axial groups by two aisles (in practice this means not less than 4.72 metres (15.6 feet).

Definition Source

ICAO (2004), doc. 9626, Manual on the Regulation of International Air Transport

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