Airline Glossary

8/18/2019 Airline Glossary

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APU (Ground Ops) Auxiliary Power Units

AQQ Regulatory requirement to enter the USA. Interactive Messages are sent to the US Immigration interactively at acceptance time and depending onthe result, the customer will be accepted or not.

ARC Airlines Reporting Corporation

ASD Advice of Schedule Change/Delay

ASK Available Seat Kilometers

Asynchronous mode A process sends a request and continues without waiting for the response. The response can be received and handled anytime.

ATA (Ground Ops) Actual time of arrival

ATB Automated Ticket and Boarding Pass

ATC (Ground Ops) Air traffic Control

ATD Actual Time of Departure

ATID (DCS) This is the unique identification reference for each terminal on the 1A network

ATL Automated Tape Libraries (ATLs) are integrated hardware and software systems designed to allow automated access to large volumes of dataresident on magnetic tape cartridges, without a human intervention to mount a tape in a drive when some user or process needs it. ATLs are usedextensively as enabling hardware in backup and recovery systems, as well as tape-based nearline storage systems such as Hierarchical Storage

Management (HSM). ATO Airport Ticket Office

ATS Air Traffic Services

Authentication Security - How a system identifies the user.

Author isation Security - How the system establishes if the user is authorised to perform the function.

Auto VMS cDCS process to handle regrades, norecs, and consequential changes to RS13 inventory

Available Payload The load available before exceeding any aircraft structural weight limitation


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CGOT Close Gate on Time

Clarity Clarity is a project management database, previously known as, and owned by, Niku until taken over by Computer Associates in 2006.

Clarity project plans link into Microsoft Project (MSP) plans, but also hold other project related information and documentation.

CLC Centralised Load Control also called RLC Regionalised Load Control

Close Out Process dealing with final issues of customer acceptance and seat allocation, up until the flight closing time.

Client A client is a requesting program or user in a client/server relationship. For example, the user of a web browser is making 'client requests' for pagesfrom servers on the worldwide web.

The browser program, e.g. Internet Explorer, itself is a client in its relationship with the server, which hosts the web files.

Clustering A computer cluster is a group of tightly coupled computers that work together closely so that in many respects they can be viewed as though theyare a single computer.

The components of a cluster are commonly, but not always, connected to each other through fast local area networks.

Clusters are usually deployed to improve performance and/or availability over that provided by a single computer, while typically being much morecost-effective than single computers of comparable speed or availability.

CM Customer Management

Code Share Booking Agreement between two or more airlines to deliver seats on the same aircraft using their own flight designator

CofG Centre of gravity

COG Change of Gauge

Commitment Reviews A blueprint deliverable whose purpose is to:

* To ensure that the proposed solution can be delivered to agreed time scales.

* To confirm (where appropriate) that the business project is planned and resourced.

* To confirm commitment of all key stakeholders to the plan.

Control M Middleware software used to schedule mainframe and midrange batch processing jobs.

Supplier is BMC Software.

Corporate IdentifierNumber

This may be used when identifying a corporate customer

CPA Change & Project Acceptance, represent IT Ops and should be involved in the project lifecycle to help understand impacts on operational support

requirements, as well as equipment and facilities.CPA Change & Project Acceptance, represent IT Ops and should be involved in the project lifecycle to help understand impacts on operational support

requirements, as well as equipment and facilities.


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CPM Container pallet message A message detailing the contents of a specific ULD devices, e.g. which bags have been placed in the pallet

CPR Customer and Product Record

Crew Rest Seat During long flights, seats remain unoccupied so that crewmembers have the possibility to rest. CRM Catering Return Message A message generated post flight which details the catering uplift and boarded passenger numbers for the specific

flight/sector.

CRM Customer Relationship Management

CRS Computer Reservation System

CSDC Customer Service Delivery Coordinator (Duty Manager)

CSX Amadeus Customer Server

CTO City Ticket OfficeCTP Customer Transfer Process

CUSS Common Use Self Service Generic term for the proposed self service kiosks being integrated into the CUTE infrastructure

CUTE Common Use Terminal Equipment - Generic term for the IT equipment on a check-in desk which allows the position to be used by several differentairlines throughout the day

D Top A B C D E F G H I J K L M N O P Q R S T U V W XYZD2D2T Disk to disk to tape - is a method of fast back-up of data to another disk array, (usually in another location/data centre for DR/HA), then backed up

to tape for longer term archiving.

Disk backups provide faster data recovery than from tape. Used for data-critical applications.

DAC Code 3 Letter code identifying an airport.

DBA Data Base Administrator

DBC Denied Boarding Compensation

DBO Denied Boarding Operational reasons

DC Departure ControlDCDF Departure Control Data File

DCS Departure control system.

Deadload Deadload is defined as, baggage, cargo, mail, courier, ballast and equipment in compartments not included in the Dry Operating Weight of theaircraft

DfT Department For Transport

DIMAS Department of Immigration and Multicultural Affairs System

DIMMs A DIMM (dual in-line memory module) is a double SIMM (single in-line memory module). Like a SIMM, it's a module containing one or severalrandom access memory (RAM) chips on a small circuit board with pins that connect it to the computer motherboard.

A SIMM typically has a 32 data bit (36 bits counting parity bits) path to the computer that requires a 72-pin connector.


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DIP Deliver in Person / Diplomatic (used in baggage)

Distribution Fee means the fee payable to an airline for every Booking Fee collected from an Amadeus Participating Carrier, car, hotel, or other travel serviceprovider company, applicable on each segment created or stored in the Amadeus central system by the airline for such providers.

DIV DIVersion – Flight diversion message.

DLT Digital Linear Tape -

DOI Dry Operating Index

DOJ Date given to a staff member which is used for staff travel purposes

DOR Date of Retirement

DOT US Department of Transport – US Federal Agency which regulates domestic transportation.

DOW Dry Operating Weight. The basic weight of the aircraft, plus the weight of crew, crew baggage, pantry and any service weight adjustmentsDR Disaster Recovery - see Business Continuity.

DRI Team Data Recovery Infrastructure Team (Backups Team) To evaluate, support, maintain design, build and implement backup solutions on midrangehardware platforms

DSC Data Structure Converter, constructs and interprets structured messages

DSDM Dynamic System Development Method - an application development methodology.

DVR Digital Voice Recording

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EDIFACT Electronic Data Interchange for Administration, Commerce and Transport is an agreed message structure for exchanging data whencustomers are through checking from a flight in one host system to a flight in another

EOT End Of Transaction -This ends an interactive conversation and commits all actions taken during it

EPO Enterprise Policy Orchestrator -

EOS Extended Ownership Security – Controls what agents and offices can do.

ERC EDIFACT Error Code plus accompanying error message

ERSP Electronic Reservations Service Provider

E-Ticket An electronic version of a paper ticket

ETA Estimated time of arrival.

ETB Expected to Baord

ETD Estimated time of departure.

ETS Electronic Ticket Server

Ethernet Ethernet is the most widely-installed local area network (LAN) technology. Specified in a standard, IEEE 802.3, Ethernet was originally developed byXerox from an earlier specification called Alohanet (for the Palo Alto Research Center Aloha network) and then developed further by Xerox, DEC,and Intel. An Ethernet LAN typically uses coaxial cable or special grades of twisted pair wires. Ethernet is also used in wireless LANs.


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Go-Show or GoSho Passenger presenting at check-in airport with a valid paper- or e-ticket; the ticket may be open, or for a later flight, or for a different journey; but nobooking found

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HA High Availability - this means that an application has a requirement to be always available, documented in an SLA.

HA solutions include pairing of servers with one as fallback to the other, or load balancing, or clustering.

HAC Heathrow Airport Centre

HA-CMP HACMP is IBM's solution for high-availability clusters on the AIX Unix and Linux for IBM System p platforms and stands for High Availability ClusterMultiprocessing. IBM's HACMP product was first shipped in 1991 and is now in its 16th release - HACMP 5.4

HACMP can run on up to 32 computers or nodes, each of which is either actively running an application (active) or waiting to take over shouldanother node fail (passive). Data on file systems can be shared between systems in the cluster.

HBA A host bus adapter (HBA) is a circuit board and/or integrated circuit adapter that provides input/output (I/O) processing and physical connectivitybetween a server and a storage device. Because the HBA relieves the host microprocessor of both data storage and retrieval tasks, it can improvethe server's performance time. An HBA and its associated disk subsystems are sometimes referred to as a disk channel.

Heartbeat A 'heartbeat' is a regular signal usually passed between two systems where they are linked in a high availability configuration. Loss of heartbeatindicates the failure of one of the systems and initiates automated business continuity processes on the fallback environment.

Heartbeat is also a LINUX HA product name for HA clustering.

HOP Head of Pool. When bags are pooled they are allocated to one passenger. This passenger is the HOP

HoS Head of Stand

HRM Hardware Ratification Meeting

ITop

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I-94 An immigration form comprising of 3 types:

White form is used by passengers holding a visa for entry into the USA.

Green Form is used by passengers traveling on the Visa Waiver Programme

Blue Form is used by passengers requiring a visa to enter the USA, but are in transit to another country within 8 hours of arriving in theUS.International Air Transport Association

IATA International Air Transport Association

IATCI Inter Airline Through Check-in (EDIFACT standard used for oncarriage check-in)


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ICAO International Civil Aviation Organisation

IDD Interaction Definition and Design

IdM Industry abbreviation for Identity Management. Will be used extensively in the security stream.

IFE In flight entertainment

IFM Inter Airline Fallback Message

IGR Intelligent Gate Reader

IMP Interline Message Procedure

Included Tare Weight (ITW)Carrier

Included Tare Weight Carriers include the tare weights of specified ULDs in the dry operating weight. Additional equipment can be added by way ofa service weight adjustment

Intermediate Ports Airports that are on the routing of the flight, other than the originating or final destination port.

Intenet (Altea DCS) The customer has indicated to the airline that they wish to travel on a specific flight(s).

Currently we cannot record whether a customer wanted to travel on a flight but was unable to, this state will allow us to monitor what the customerrequested against what was eventually delivered.

Interline Anything involving two or more airlines

Inventory Managment This activity is performed by Revenue Management and owns, updates or modifies the inventory of seats for each class of a specific flight.

IP address Internet Protocol address is a unique number that identifies each sender or receiver of information sent across the internet.

It's usually expressed in 4 sets of 'decimal' numbers identifying the host network address, and the local address within that network.

IPARS International Passenger Airline Reservation System.

Issue A ‘risk’ that has materialised.

Issue Alert Altea DCS - Process by which an alert is sent to the people/systems when specific actions are required.

Journey sends a variety of alerts to processes and activities which are outside the scope of Journey (e.g. Customer Service resource management,Catering).

Itinerary Altea DCS - The full set of products for a customer as drawn from the customer’s CPR.

ITO Inactivity Time Out

IWPT Altea DCS - Index With Passengers (includes expected to board and checked)

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JAA Joint Aviation Authority

JAR-OPS Joint Airworthiness Requirements Operations


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LENMAC Altea DCS - Length of Mean Aerodynamic Chord

LIRF Loading Instruction Report Form

LNIATA The method used to identify a specific device on a ALC Network.LN = The Line Number out of the Front EndIA = The Interchange Address of the gateway.TA = The specific Terminal Address

Linked CPRs Where 2 or more CPRs are linked together so that the customers can be processed together for part or all of their journey (e.g. seat together, poolbaggage)A link is a facility to specify that a group of customers are traveling together even if all their flight segments are not identical. A link isapplicable to customers or products across customers.

Note that linking information can also present in the PNR for later DCS processing.

LIR Load Instruction Report

LIZFW Laden Index Zero Fuel Weight (also referred to as EZFI)

LNT Table Table in Amadeus Central System giving the city and country of an airport, base on the airport DAC Code.

Loose Matching A set of 'business rules' that allow auto association of the e-ticket to the DCS passenger record where an exact match is not found:

If the DCS Record Booking class is F J C W or Y and this booking class exactly matches the booking class on the ticket, then only Carrier CodeBoardpoint and Offpoint need to agree (ignore flight number and date),

SBY and BKB PNRs (RTZ S/PNRs and P/PNRs)

For these PNRS only consider Carrier Code Boardpoint and Offpoint (ignore flight number, date and selling class checks)

LPC Less paper cockpit

LPM Local Procedures Manual

LRS Load Release Signal A signal generated once all the Cargo has been load onto a flight. This supersedes the forecast cargo uplift message

LTO Linear Tape-Open (LTO) is an open-format tape storage technology developed by Hewlett-Packard (HP), International Business Machines (IBM),and Certance. The term "open-format" means that users have access to multiple sources of storage media products that will be compatible.

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%MAC Altea DCS - Percentage Mean Aerodynamic Chord

MAC Altea DCS - Mean Aerodynamic Chord

MAAS (Meet & Assist) Passengers can request this service who may need extra assistance through the airport e.g. to help them on arrival into London if they do notspeak English or are elderly or frail.

Marketing Carrier Means a carrier which places its flight prefix on a flight operated by another carrier.


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Produce travelauthorisation

This process occurs following the customer being accepted and ensures that the customer has the correct documentation with which to proceed.

Project Lead Filing Cabinet The 'Filing Cabinet' is a Notes database created and used by Infrastructure Delivery, containing guidelines, hints and tips to assist Infrastructure

Stream Leaders and Project Managers.

Product (Prime Product) The prime product for an airline is a flight. Products in general mean the services a customer has purchased from the airline. They may include acruise, travel insurance, car hire, etc.

Provisional Load The prime product for an airline is a flight. Products in general mean the services a customer has purchased from the airline. They may include acruise, travel insurance, car hire, etc.

PSM Passenger Service Message

PSU Passenger Services Unit

PSU (M) Passenger Status Update (Message) or Passenger Services Unit.

PSW Project Strategy Workshop:The purpose of the Project Strategy Workshop is to ensure that:

• the Project Governance is identified and agreed (including the Steering Group)

• the scope, outline costs & benefits are clarified

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there is commitment from all key stakeholders and agreement to the parameters and strategies for the project.• there is a common understanding of the Business Process Change

• the Investment is Portfolio aligned (IT Investment Roadmap)

• completion of the Terms of Reference is ‘fast tracked’

PTM Passenger Transfer Manifest - A list of passengers who will be transiting the arrival airport

PTS Precision time schedule

Pull Names or PNUsed in QUBE/BABS for the initial process which by which CDCS acquires basic data, e.g. names, on expected pax for a flight operation.

This term is no longer used. Replaced by PULLPAX

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QF Qantas

QUBE Qantas Universal Business Environment. The name given to the Qantas Classic DCS system

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XYZRamp Fuel The total amount of fuel uplifted

RCI Reservation Control Information – to specify a reference to a reservation. This can be sent on an airline by airline basis and is used to transfer the


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mitigations identified with owners and deadlines.

Mitigating actions should be included in project plans and reviewed regularly during project progress meetings - with the Risk Log being maintained

- closing risks and adding new if necessary.

Risks are distinct from issues - risks are what might happen, issues have actually arisen!

RLW Regulated Landing Weight

RMSW Remote Message Switching

RP1745 IATA defined resolution for Baggage Messages

RPI Related Product Information

RRT ReRouTing – Flight re-routing messageRTO Response Time Out

RTOW Regulated Take-off Weight

RTSVC Retrieve Flight Information Services

RZFW Regulated Zero Fuel Weight

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SAL Seat Availability List - A list of seats previously assignedSAN Storage Area Networks are created in order to allow information to be distributed across a network of computers, a SAN is a high-speed special

network of shared storage devices. SANs, which can be used with either a LAN (local-area network) or WAN (wide-area network), allow thecollective sub network of storage devices to be available to all servers on a network.

On a computer network, it's much more convenient and efficient to store information in one central location rather than on different servers spreadall over the place. And because servers that are connected to the network are simply gateways to the entire SAN sub network, additional storagedevices can be added at any time to increase the capacity of the SAN. Stored data does not reside directly on any of the network’s servers, which

enables server power to be used for applications and releases the network capacity to the end user.SBR Structured Booking Record

SCCM Senior Cabin Crew Member

SCN Altea DCS - Stock Control Number

SDA Service Delivery Administrator - part of IT Ops with individuals providing support for desktop PC clients.

Self Service Altea DCS - A kiosk, operated by a customer, whereby they are able to check themselves in without presenting themselves at a check-in desk.

SEP Safety, Equipment and Procedure training for Cabin Crew

Shoot-thru Altea DCS - Used in QUBE/BABS for the process by which new or changed PNR’s relating to a flight active in CDCS are notified to CDCSNow called ‘PUSHPAX’.

SI Service Integrator - Amadeus product for integrating the various platforms/access methods used as part of NGDCS.


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TOF Take Off Fuel

TOPL Take-off performance limit

ToR Terms of Reference

TOW Take-Off Weight

TPF Transaction Processing Facility – operating system for mainframes

TPM Transfer Passenger Message

TRANSIT Transferring customers/bags/cargo that remain on the same aircraft for the following leg.

TRC Turnround Coordinator (TRM at LHR)

TRM Turnround Manager (LHR only – elsewhere TRC)

Trip Fuel Amount of fuel required for the actual flight. The amount of fuel planned to be consumed from take-off to the station of first intended landing.TSM Turnround Shift Manager

TSR Ticketing Sales Return

TTY Teletype Message

TWOV Transit Without Visa

Type A Interactive/Transactional - Indicates transactional, e.g. entry/response, type communication. Within NGDCS these are referred to as Interactive ortransactional messages.

Type B Teletype - Indicates secure message type communication. Within NGDCS these are referred to as secure messages.

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UCM ULD Control Message

ULD Universal Load Device (Containers and Pallets)

UM UnAccompanied Minor.This may vary depending on the airline. Example is

• A child traveling alone aged 5 years up to their 12th birthday on a single leg flight.

• A child traveling alone aged 6 years up to their 12th birthday on a multi leg flight.

• All children traveling alone aged 12 years up to their 18th birthday for whom their parents/guardians have requested UM status. (cf. YP)

Underload The load available before exceeding any aircraft structural weight limitation.

UNIX Unix (often upper-case "UNIX," especially as an official trademark) is an operating system that originated at Bell Labs in 1969 as an interactivetime-sharing system. Ken Thompson and Dennis Ritchie are considered the inventors of Unix. The name was a pun based on an earlier system,Multics (multiplex computer system).

In 1974, Unix became the first operating system written in the C language. Unix has evolved as a kind of large freeware product, with many

extensions and new ideas provided in a variety of versions of Unix by different companies, universities, and individuals.

Partly because it was not a proprietary operating system owned by any one of the leading computer companies and partly because it is written in a


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Wayfinding The final stage in the ‘check-in’ workflow. The customer is provided with the relevant information they need to continue with their journey e.g. gatenumber, boarding time.

WCHR Customer who needs a wheelchair to get from where they are to the gate. They are of three types: WCHR, WCHS, and WCHC. WCHR is used for

customers who cannot walk long distances. WCHS is used for customers who cannot climb the aircraft steps. And WCHC is used for customerswho need to be lifted onto or from the aircraft seat.

Workflow Definition of the set of relationships between all the activities in a process, from start to finish. Could be customer or agent led.

World Tracer A baggage management that is operated jointly by SITA and IATA. It allows lost baggage details to be entered into the system and matchedagainst bags found.

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XCOM Unicenter CA-XCOM Data Transport provides a complete set of file transfer functions, remote report printing, and job submission for any-to-anycommunications between mainframes, midranges, PCs, and workstations from a broad range of manufacturers.

XSB Excess Baggage

YP Young Passenger. This is a person aged between 13 and 18, traveling on their own, and the airline has been asked by a parent/guardian to takespecial care of them.

ZF Zero Fuel

ZFW Zero Fuel Weight

ZFWI Zero Fuel Weight Index

zTPF Latest version of TPF

ZWB Zero Weight & Balance - A message used to indicate the estimated combined weight of passengers, baggage, cargo and fuel loaded onto aspecific flight and it’s distribution onboard the aircraft

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Airline Glossary

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