Acronym |
Definition |
Explanation |
AA |
“ATC Activated”, Actual Airborne |
FUM status |
AAI |
Airport Authority Interface |
|
a/c |
Aircraft |
|
ACARS |
Aircraft Communications Addressing and Reporting System |
|
ACC |
Area Control Centre |
|
A-CDM |
Airport Collaborative Decision Making |
|
ACIS |
Airport CDM Information Sharing |
|
ACISP |
Airport CDM Information Sharing Platform |
|
ACH |
ATC flight plan Change Message |
|
ACK |
Acknowledgement message |
|
ACZT |
Actual Commencement of De-icing Time |
The time when de-icing operations on an aircraft starts |
ADB |
Actual Deicing Begin |
A-CDM@FRA process status |
ADE |
Actual Deicing End |
A-CDM@FRA process status |
ADEP |
Aerodrome of Departure |
|
ADES |
Aerodrome of Destination |
|
ADEXP |
ATS Data Exchange Presentation |
ADEXP provides a format for use primarily in on-line, computer to computer message exchange. ADEXP is a format, not a protocol. |
ADIT |
Actual De-icing Time |
Metric AEZT – ACZT |
ADP |
ATC-DPI sended to NMOC |
A-CDM@FRA process status |
A-DPI |
ATC-Departure Planning Information message |
DPI message sent by the CDM Airport to the NMOC (ETFMS) notifying the TTOT between ATC time of pre-departure sequencing and ATOT |
AEBT |
Actual End Boarding Time |
End of Boarding process |
AEGT |
Actual End of Ground handling Time |
The time when ground handling on an aircraft ends, can be equal to ARDT (TBD locally) |
AEZT |
Actual End of De-icing Time |
The time when de-icing operations on an aircraft end |
AFTN |
Aeronautical Fixed Telecommunication Network |
|
AGHT |
Actual Ground Handling Time |
The total duration of the ground handling of the aircraft. Metric ACGT - AEGT |
AIBT |
Actual In-Block Time |
The time that an aircraft arrives in-blocks. (Equivalent to Airline/Handler ATA –Actual Time of Arrival, ACARS = IN). |
AIP |
Aeronautical Information Puplication |
|
ALDT |
Actual Landing Time |
The time that an aircraft lands on a runway. (Equivalent to ATC ATA –Actual Time of Arrival = landing, ACARS=ON). |
ALU |
Lining Up |
A-CDM@FRA process status |
ALUT |
Actual Line Up Time |
The time that an aircraft receives its line up clearance. |
AMAN |
Arrival Manager |
An arrival flow management tool that optimises the traffic flow nto a TMA and/or runway(s) by calculating TLDT (Target LanDing Time) taking various constraints and preferences into account |
ANSP |
Air Navigation Service Provider |
An organisation responsible for management of flight traffic on behalf of a company, region or country. |
AO |
Aircraft Operator |
A person, organisation or enterprise en aged in or offering to engage in an aircraft operation. (ICAO Doc 4444, Chapter 1) |
AOBT |
Actual Off-Block Time |
Time the aircraft pushes back / vacates the parking position. (Equivalent to Airline / Handlers ATD – Actual Time of Departure & ACARS=OUT) |
AOC |
Airport Operator Committee |
|
AODB |
Airport Operational Data Base |
System INFOplus |
AORT |
Actual Off-Block Request Time |
|
AOT |
Automatically generated TOBT |
A-CDM@FRA process status |
APR |
Apron Responsibility |
Aircraft in the responsibility of Frankfurt Apron. |
ARCID |
Aircraft Identification |
|
ARCTYP |
Aircraft Type |
|
ARDT |
Actual Ready Time (for Movement) |
When the aircraft is ready for start up/push back or taxi immediately after clearance delivery, meeting the requirements set by the TOBT definition. |
ARR |
Arrival |
Inbound flight |
ARZT |
Actual Ready for De-icing Time |
The time when the aircraft is ready to be de-iced |
ASAT |
Actual Start Up Approval Time |
Time that an aircraft receives its start up approval. |
ASBT |
Actual Start Boarding Time |
Time passengers are entering the bridge or bus to the aircraft |
ASGT |
Actual Start Gate Time |
Begin of Gate handling |
A-SMGCS |
Advanced Surface Movement Guidance and Control System |
System at airports having a surveillance infrastructure consisting of a Non-Cooperative Surveillance (e.g. SMR, Microwave Sensors, Optical Sensors etc) and Cooperative Surveillance (e.g. Multi-lateration systems) |
ASRT |
Actual Start Up Request Time |
Time the pilot requests start up clearance. |
ATBT |
Actual Taxi Begin Time |
|
ATC |
Air Traffic Control |
Service provided by ground-based controllers who direct aircraft on the ground and in the air. This to separate, organise and expedite the flow of air traffic. |
ATDF |
Actual Time over Departure Fix |
|
ATFCM |
Air Traffic Flow and Capacity Management |
ATFM extended to the optimisation of traffic patterns and capacity management. Through managing the balance of capacity and demand the aim of ATFCM is to enable flight punctuality and efficiency according to the available resources with the emphasis on optimising the network capacity through Collaborative DecisionMaking process. (NMOC Handbook TFCM_Operating_Procedures_for_FMP_1.0) |
ATFM |
Air Traffic Flow Management |
A service established with the objective of contributing to a safe, orderly and expeditious flow of air traffic by ensuring that air traffic control capacity is utilised to the maximum extent possible, and that the traffic volume is compatible with the capacities declared by the appropriate Air Traffic Services authority (ICAO Annex 11, Chapter 1) |
ATM |
Air Traffic Management |
Management of the demand for, and the use of airspace |
ATOF |
Actual Time over Departure Fix |
|
ATOT |
Actual Take Off Time |
The time that an aircraft takes off from the runway. (Equivalent to ATC ATD–Actual Time of Departure, ACARS = OFF). |
ATS |
Air Traffic Services |
The service provided by Air Traffic Controllers working at airports for the arrival and departure flight phases and in Air Traffic Control Centres for the en route flight phase |
ATSP |
Air Traffic Service Provider |
|
ATTT |
Actual Turn-round Time |
Metric AOBT – AIBT |
AVDGS |
Automatic Visual Docking Guidance System |
Ramp Display |
AXIT |
Actual Taxi-In Time |
Metric AIBT – ALDT |
AXOT |
Actual Taxi-Out Time |
Metric ATOT – AOBT |
Acronyms
Acronym |
Definition |
Explanation |
BA |
Betriebsanweisung Fraport |
|
BAFVK |
Betriebsanweisung Flugverkehrskontrolle |
|
BAO |
Betriebsanordnung ATC |
|
BEST |
BEtriebSTeuerung |
Handling System of Lufthansa |
BGB |
Begin of Boarding |
A-CDM@FRA process status |
BGT |
Begin of Gate Handling |
A-CDM@FRA process status |
Acronym |
Definition |
Explanation |
CBA |
Cost-Benefit Analysis |
A formal discipline used to help appraise, or assess, the case for a project or proposal. This is achieved by weighing the total expected costs against the total expected benefits of one or more actions in order to choose the best or most profitable option. |
CDAC |
CDM in Adverse Conditions |
|
CDB |
Central Data Base |
|
CDM |
Collaborative Decision Making |
|
CDM |
CDM Airport |
An airport is considered as a CDM AIRPORT when the Airport CDM Information Sharing, Turn-round process (Milestones Approach) and Variable Taxi Time Calculation Elements are applied at the Airport |
CDP |
C-DPI sended to NMOC |
A-CDM@FRA process status |
C-DPI |
Cancel – Departure Planning Information message |
This message informs the NMOC that previously sent DPI is no longer valid. |
CFMU |
(now called |
|
CHG |
Modification message |
Standard message sent to NMOC to change flight plan data. |
CLR |
Flightplan in clearing process |
A-CDM@FRA process status |
CNL |
Flight Plan Cancellation |
Standard message sent to NMOC to cancel flight plan. |
COFU |
Collaborative Management of Flight Updates |
|
CPDS |
Collaborative Pre-Departure Sequence |
|
CSA |
Common Situational Awareness |
|
CSA-Tool |
System to Input TOBT for AO/GH |
|
CTOT |
Calculated Take Off Time |
A time calculated and issued by the appropriate Central Management unit, as a result of tactical slot allocation, at which a flight is expected to become airborne. (ICAO Doc7030/4 – EUR, Table 7) |
CTRP |
CDM Turn-Round Process |
Acronym |
Definition |
Explanation |
DAS-FRA |
Datenaustauschsystem |
System of Lufthansa for internal and external (e.g. Fraport) data exchange |
DCL |
Departure Clearance (Data link) |
|
DCR |
Deicing Company Ready |
A-CDM@FRA process status |
DCS |
Departure Control System |
|
DEP |
Departure |
Outbound flight. |
DES |
De-suspension message |
|
DFS |
Deutsche Flugsicherung GmbH |
German ATC Provider |
DGA |
Digitale Gateansage |
Self explaining |
DGS |
Docking Guidance System |
|
DIR |
Deicing Requested |
A-CDM@FRA process status |
DIV |
Diverted |
A-CDM@FRA process status |
DLA |
Delay message |
Standard message sent to NMOC to delay flight plan OBT. |
DMAN |
Departure Manager |
DMAN is a planning system to improve the departure flows at an airport by calculating the Target Take Off Time (TTOT) and Target Start up Approval Time (TSAT) for each flight, taking multiple constraints and preferences into account. |
DOP |
(Bridge-) Driver on Position |
A-CDM@FRA process status |
DPD |
De-icing Pad |
De-icing pad or other area on the apron for the use of de-icing |
DPI |
Departure Planning Information message |
Message from Airport to NMOC. See also A-DPI, C-DPI, E-DPI, T-DPI |
DVA |
Deicing Vehicle allocated |
A-CDM@FRA process status |
DVP |
Deicing Vehicle on position |
A-CDM@FRA process status |
Acronym |
Definition |
Explanation |
ECZT |
Estimated Commencement of De-icing Time |
The estimated time when de-icing operations on an aircraft are expected to start. |
EDDF |
Airport Frankfurt Main |
ICAO Location Indicator |
EDIT |
Estimated De-icing Time |
Metric EEZT – ECZT. |
EDP |
E-DPI sended to NMOC |
A-CDM@FRA process status |
E-DPI |
Early – Departure Planning Information message |
First DPI message is sent from -3 hrs and before the T-DPI message by the CDM AIRPORT to the NMOC (ETFMS) notifying the ETOT. Also first DPI sent after ATC flight plan Cancellation. |
EET |
Estimated Elapsed Time |
The estimated time required to proceed from one significant point to another (ICAO). |
EEZT |
Estimated End of De-icing Time |
The estimated time when de-icing operations on an aircraft are expected to end. |
EFD |
Eurocontrol Flight Data Message |
Delivers the data for the FUM which is established in Stanly_CDM |
EGT |
End of Gate Handling |
A-CDM@FRA process status |
EIBT |
Estimated In-Block Time |
The estimated time that an aircraft will arrive in-blocks. (Equivalent to Airline/Handler ETA–Estimated Time of Arrival). |
ELDT |
Estimated Landing Time |
The estimated time that an aircraft will touch down on the runway. (Equivalent to ATC ETA–Estimated Time of Arrival = landing). |
ENB |
End of Boarding |
A-CDM@FRA process status |
EOBD |
Estimated Off-Block Date |
The estimated date at which the aircraft will commence movement associated with departure (ICAO). |
EOBT |
Estimated Off-Block Time |
The estimated time at which the aircraft will start movement associated with departure(ICAO). |
ERR |
Error Message |
|
ERZT |
Estimated Ready for De-icing Time |
The estimated time when the aircraft is ex pected to be ready for de-icing operations |
ETDF |
Estimated Time over Departure Fix |
|
ETFMS |
Enhanced Tactical Flow Management System |
ETFMS receives radar derived data provided by the Air Navigation Service Providers(ANSPs), position report data provided by the Aircraft Operators and meteorological data. ETFMS uses this data to update the existing data coming from flight plans and flow measures. |
ETOF |
Estimated Time over Fix |
|
ETOT |
Estimated Take Off Time |
The estimated take off time taking into account the EOBT plus EXOT. |
ETTT |
Estimated Turn-round Time |
The time estimated by the AO/GH on the day of operation to turn-round a flight taking into account the operational constraints. |
Eurocat-C |
System zur Luftlagedarstellung |
|
EXIT |
Estimated Taxi-In Time |
The estimated taxi time between landing and in-block. |
EXOT |
Estimated Taxi-Out Time |
The estimated taxi time between off-block and take off. This estimate includes any delay buffer time at the holding point or remote de-icing prior to take off. |
Acronym |
Definition |
Explanation |
FBO |
Flughafenbenutzungsordnung |
Airport User Regulation |
FDPS |
Flight Data Processing System |
Fraport system used for Airside Operations |
FFU |
Flugfunktion |
Fraport Flugdatenattribut (Flight data attributes) |
FG |
Functional Group |
|
FIDS |
Flight Information Display System |
|
FIR |
Flight Information Region |
|
FLS |
Flight Suspension message |
Standard message sent from NMOC to suspend flight plan OBT |
FLT |
Flight |
|
FMP |
Flow Management Position |
Provides a vital flow of information from their operational ATC Unit to the NMOC about the current situation within their ACC and the operational situation at the airport. |
FPL |
Filed Flight Plan |
ICAO derived flight plan |
FRA |
Frankfurt Airport |
IATA 3 Letter Code |
FRD |
Functional Requirements Document |
This document specifies the minimum set of requirements to implement Airport CDM |
FSA |
First System Activation |
|
FUM |
Flight Update Message |
A message sent from the NMOC to a CDM Airport providing an ELDT, ETO and flight level at the last point of route. |
Acronym |
Definition |
Explanation |
GAT |
General Air Traffic |
|
GAT |
General Aviation Terminal |
|
GH |
Ground Handler |
Company responsible for handling of aircraft during turn-round at the airport. |
GHD |
Ground Handler Responsibility |
Aircraft in the responsibility of ground handler (between On-Block and Off-Block) |
GHE |
Groundhandling End |
A-CDM@FRA process status |
Acronym |
Definition |
Explanation |
HMI |
Human-Machine Interface |
The aggregate of means by which people— the users - interact with the system - a particular machine, device, computer program or other complex tools. |
HOT |
Handover to Tower |
|
HOT |
Hold Over Time |
Acronym |
Definition |
Explanation |
ICAO |
International Civil Aviation Organisation |
|
ICP |
Deicing on Stand |
A-CDM@FRA process status |
ICR |
Deicing on pad |
A-CDM@FRA process status |
IDF-List |
Inactiv departure flight-List |
Internal list of FDPS system |
IFPS |
Integrated Initial Flight Plan Processing System |
A system of the NMOC designed to rationalize the reception, initial processing and distribution of IFR/GAT flight plan data related to IFR flight within the area covered by the participating States. (ICAO Doc 7030/4 – EUR, paragraph 3.1.1 new) |
IFR |
Instrument Flight Rules |
Acronym |
Definition |
Explanation |
KPI |
Key Performance Indicator |
Acronym |
Definition |
Explanation |
LAN |
Landed |
A-CDM@FRA process status |
LoA |
Letter of Agreement |
|
LVP |
Low Visibility Procedures |
Acronym |
Definition |
Explanation |
MACS |
Multi Access Control System |
System for the use of gate and boarding handling |
MAP |
Missed Approach |
A-CDM@FRA process status |
MDI |
Minimum Departure Interval |
|
MOT |
Manually entered TOBT |
A-CDM@FRA process status |
MoU |
Memorandum of Understanding |
|
MST |
Milestone |
|
MTTT |
Minimum Turn-round Time |
The minimum turn-round time agreed with an AO/GH for a specified flight or aircraft type. |
MVT |
Movement message |
Standardized IATA format message, sent via SITA to destination airport, AO and other recipients, containing departure data of a flight |
Acronym |
Definition |
Explanation |
NOI |
Deicing cancelled (no Deicing) |
A-CDM@FRA process status |
NMOC |
Network Manager Operations Centre (formerly known as CFMU) |
Network Manager Operations Centre (NMOC), Brussels – A Central Management Unit operated by EUROCONTROL. (ICAO Doc7754, Volume I, Part V.III, paragraph 3) |
Acronym |
Definition |
Explanation |
OAT |
Operational Air Traffic |
|
OBR |
Off-Block Request |
A-CDM@FRA process status |
OCD |
Operational Concept Document |
|
OFB |
Off-Block |
A-CDM@FRA process status |
OFR |
Off-Block for Remote Holding |
A-CDM@FRA process status |
ONB |
On Block |
A-CDM@FRA process status |
ORGN |
Originator |
Acronym |
Definition |
Explanation |
PAX |
Passengers |
|
PBG |
Push Back Given |
A-CDM@FRA process status |
PBR |
Push Back Requested |
A-CDM@FRA process status |
PIC |
Pilot In Command |
|
PL |
Platzlotse |
Air Traffic Controller on the Tower |
PMP |
Project Management Plan |
|
POS |
Parkingposition |
Acronym |
Definition |
Explanation |
RDY |
Aircraft Ready |
A-CDM@FRA process status |
REA |
Ready message |
|
REG |
Aircraft Registration |
|
REJ |
Rejection message |
|
RFO |
Remote Off Block |
A-CDM@FRA process status |
RFP |
Replacement Flight Plan |
|
RIBT |
Remote In-Block Time |
The time that an aircraft arrives at its parking position for remote holding. |
RMH |
Remote Holding |
|
RMS |
Ressource Management System |
Fraport Ressource Management System for allocation of Positions and Gates |
RNB |
Remote On Block |
A-CDM@FRA process status |
ROBT |
Remote Off-Block Time |
The time that an aircraft leaves its parking position for remote holding. |
RPL |
Repetitive ATC flight plan |
|
RTOT |
Requested Take Off Time |
Time the AO wants to depart (TOBT + EXOT) |
RTS |
Return to Stand |
|
RWY |
Runway |
Acronym |
Definition |
Explanation |
SAM |
Slot Allocation Message |
|
SBY |
Standby |
A-CDM@FRA process status |
SCZT |
Sequenced Commencement of Deicing Time |
Time calculated by sequencer system |
SEQ |
Sequenced |
A-CDM@FRA process status |
SES |
S-East-Sierra Verfahren |
|
SGT |
Standard Ground Time |
|
SIBT |
Scheduled In-Block Time |
The time that an aircraft is scheduled to arrive at its parking position. |
SID |
Standard Instrument Departure |
Published flight procedures followed by aircraft on an IFR flight plan immediately after take off from an airport. |
SIT1 |
NMOC Slot Issue Time |
The time when the NMOC issues the SAM(Slot Allocation Message). This is normally two hours before EOBT. |
SITA |
Société Internationale de Télécommunication Aéronautique |
|
SLA |
Service Level Agreement |
|
SLC |
Slot Cancellation message |
Standard message from NMOC sent when flight regulations are canceled |
SMS |
Short Message Service |
Via Cellphone |
SOBT |
Scheduled Off-Block Time |
The time that an aircraft is scheduled to depart from its parking position. |
SRE |
Sammelraum |
Fraport Data for Gate |
SRM |
Slot Revision Message |
Standard message from NMOC sent when flight regulations are revised |
SSR |
Secondary Surveillance Radar |
|
STAR |
Standard Arrival Route |
|
STD |
Scheduled Time of Departure |
|
STOT |
Sequenced Take Off Time |
Time calculated by sequencer system |
STTT |
Scheduled Turn-round Time |
Metric SOBT - SIBT |
STW |
Slot Tolerance Window |
CTOT –5 / +10 minutes |
SUG |
Start Up Given |
A-CDM@FRA process status |
| SUR |
Start Up Request | A-CDM@FRA process status |
Acronym |
Definition |
Explanation |
TBD |
To Be Defined |
|
TDP |
Target DPI sended to NMOC |
A-CDM@FRA process status |
T-DPI |
Target - Departure Planning Information message |
This DPI message is sent from the CDM Airport to the NMOC (ETFMS) notifying the Target Take Off Time (TTOT). |
TE |
Terminated |
FUM status |
TFDPS |
Tower Flight Data Processing System |
Operational Tower system |
TFO |
Take Off from outstation |
A-CDM@FRA process status |
TIBT |
Target In-Block Time |
|
TLDT |
Target Landing Time |
Targeted Time from the Arrival management process at the threshold, taking runway sequence and constraints into account. It is not a constraint but a progressively refined planning time used to coordinate between arrival and departure management processes. Each TLDT on one runway is separated from other TLDT or TTOT to represent vortex and/ or SID separation between aircraft. |
TMA |
Terminal Manoeuvring Area |
|
TMI |
Thirty Minutes Inbound |
The time at which the DFS-AMAN delivers ARCID, ARCTYP and ELDT to the Fraport-FDPS |
TMO |
Ten Minutes Out |
A-CDM@FRA process status (ELDT – 10min) |
TOBT |
Target Off-Block Time |
The time that an Aircraft Operator or Ground Handler estimates that an aircraft will be ready, all doors closed, boarding bridge removed, push back vehicle available and ready to start up / push back immediately upon reception of clearance from the TWR |
TOP |
Tow on Position |
A-CDM@FRA process status |
TSAT |
Target Start Up Approval Time |
The time provided by ATC taking into account TOBT, CTOT and/or the traffic situation that an aircraft can expect start up / push back approval |
TTDF |
Target Time over Departure Fix |
|
TTOF |
Target Time over Fix |
|
TTOT |
Target Take Off Time |
The Target Take Off Time taking into account the TOBT/TSAT plus the EXOT. Each TTOT on one runway is separated from other TTOT or TLDT to represent vortex and/or SID separation between aircraft. |
TWR |
Aerodrome Control Tower |
|
TWY |
Taxiway |
|
TXG |
Taxi Given |
A-CDM@FRA process status |
TXR |
Taxi Requested |
A-CDM@FRA process status |
TYP |
Aircraft Type |
Acronym |
Definition |
Explanation |
UI |
User Interface |
Acronym |
Definition |
Explanation |
VDZ |
Verkehrsdatenzentrale |
Fraport Airport Traffic Data Center |
VFR |
Visual Flight Rules |
|
VK |
Vorfeldkontrolle |
Fraport Apron Control |
vs. |
Versus |
|
VTOT |
Virtuelle Take Off Time |
Internal system time calculated by sequencer system for TSAT gereration |
VTTC |
Variable Taxi Time Calculation |
|
VZ |
Verkehrszentrale |
Fraport Airport Traffic Center |
Acronym |
Definition |
Explanation |
WBS |
Work Breakdown Structure |
|
WP |
Work Package |
