About. Quite a few people were rubbing their eyes this morning…. Unfortunately running AFPEX in a mobile environment is difficult. NATO-EUROCONTROL ATM Security Coordinating Group (NEASCOG) 60. 300428 T2 - Anadolu University Journal. Data Requirement For each departing IFR flight subject to an ATFM regulation: Calculated. While there are some good examples of consultation with. It is composed of the Target TOT with the evaluation stamp and remarks, if any, resulting from the evaluation. The Actual Take Off Time (ATOT). × Close Log In. I was involved in a simulator trial a few years ago where we deliberately put a lot of volunteer pilots into cloud without warning. The third reference period (RP3) covers the calendar years 2020 to 2024 inclusive. It also includes message such as AFP, APL, FSA, EFD, DPI, CAM, COR…. (CTOT) notifications (if applicable to your flight). The Network Manager can use this information to improve en route and sector planning of the European ATM Network. Email. I ended up cancelling that plan and filed a new routing avoiding Austria ATC alltogether with allowed us to take off immediately. 0 EOBT Estimated Off-Block Time ICAO Doc 4444, FIXM 2. OneSky Online is EUROCONTROL's Extranet, that part of our website where content can be accessed by authorised users only. type: article: en_US: dc. The first question is, for a typical large commercial airport like Heathrow or Stansted, how many ceilometers are used to provide data for the ATIS and METARs, and if more than one, how is the. 3 Airport Operator Parameters. Eurocontrol Slot Messages A Eurocontrol slot message is a notification issued to the flight crew and ATC personnel via a Slot Allocation Message (SAM). Flight data services include the development, translation, processing, and coordination of aeronautical,. 243 Peter. Estimated take off time . identification. 3 25th May 2012 B. Get push notifications of CTOT ! Get FPL status: - CTOT - Expected Standard Initial Departure (SID) - CDM information - Flightplan route - TOBT - TSAT - CTOT - Regulation cause: view the location on a map and decode it - Delay code - Taxi time - Add a flight to your watchlist CTOT app works for all flights flying within the Eurocontrol region. The higher the altitude levels, the lower the Time of Useful Consciousness will be, thus reducing the response time to counteract the. Do not be afraid to call the people there. Eurocontrol CTOT / airport slot assignments for light GA and how to get around them Any way to do RS232 dial up networking on Android (Samsung tablet)? Active ThreadsEUROCONTROL Airport Operations Unit (APR) and London Heathrow Airport represented by the BAA, UK National Air Traffic Services (NATS), British Airways (BA), bmi and other partners. 13-Sep-23 05:16 Controlled airspace where VFR should be allowed but isn't. 9 2 July 2012 B. 6bn ($20. 41 EUROCONTROL Member States as well as for Morocco; n provides the Flow Management System (ETFMS) with a copy of flight plan data; n gives air navigation service providers flight plan data that can be automatically pro-cessed; n provides real-time assistance, 24/7 in flight planning for aircraft operators. Browse 73 work zone traffic control photos and images available, or start a new search to explore more photos and images. TY - JOUR T1 - EUROCONTROL SLOT ALLOCATION METHODOLOGY AND NEW APPROACH FOR CALCULATED TAKE OFF TIMES (CTOT): ALTERNATIVE CTOT VERSUS CTOT AU - ErtanÇınar, SonerDemirel Y1 - 2017 PY - 2017 N1 - doi: 10. 1100 minus 15, minus 10 = 1035. 5. EUROCONTROL would like to raise awareness among pilots to keep VHF channels (136. Remember me on this computer. A3-7 AT TAC H M E N T 3 S A M P L E S D O C U M E N TS ( CO N T D )Flights already with a CTOT will not normally be selected for cherry picking…. Welcome to EUROCONTROL’s TV channel! On this channel, you’ll find various insights into our work to keep the aviation system safe, more efficient, more cost-effective and with a minimal. 2 - RNP 1 in TMA Operations. Impact on AO. Query. EUROCONTROL Experimental Center also develops new performance indicators targeting to capture different aspects of flight inefficiencies in TMA [13, 14], some of which we use in this work. 1 Identification (1) This document forms part of the "ETFMS” documentation. This discrepancy may arise from both different perspective of delay and different methodology used to measure it: the NM calculates planned departure delay, while AOs account for ATFM. eurocontrol slot allocation methodology and new approach for calculated take off times (ctot): alternative ctot versus ctot ertan Çinar 1, *, soner demİrel1Published. INTRODUCTION. That is now dead; the developer got fed up with keeping up with Eurocontrol’s constant changing of the validation interface. Download latest See all forecasts. However, if a peak. 0 • The FF-ICE will eventually replace the current ICAO procedures and. The time that an aircraft operator / handling agent estimates that. or. Against that you have the 91. Eurocontrol CTOT / airport slot assignments for light GA and how to get around them. They told me to takeoff according to flight plan and simply ignore it. Solution: Comprehensive data set received on voluntary basis direct from airlines (primary source of delay cause data) Enhanced CODA proposal prepared. I worked in two Airline Company Charter in Malta as OCC Officer and Flight Dispatcher, here I got experience and improved my knowledge in the Aeronautical Sector. It is one of several terms related to Take Off Time (TOT). eurocontrol slot allocation methodology and new approach for calculated take off times (ctot): alternative ctot versus ctot ertan Çinar 1, *, soner demİrel1 DES - Flight plan de-suspension message sent by EUROCONTROL if a previously suspended flight plan becomes de-suspended SAM, SRM, and SLC - Slot allocation, revision, and cancellation messages. g. Portlets from A to Z A (R)O Specific Features. Aircraft turnaround times. My observations: From 2001 to about 2005, I was occasionally assigned slots. Eurocontrol estimates that the delays and cancellations caused by air-traffic-flow problems cost the European economy €17. • Please also note that Slot Swapping proposalsare subject to the assessment of the NMOC operational staff. Yes, the CTOT is for you eg CTOT 10:00 is when you should plan to be airborne. The following cause was given: - enroute phase: ATC staffing. Eurocontrol CTOT / airport slot assignments for light GA and how to get around them. CTOTs are typically. 03-Jan-19 21:46 03. Unless decided otherwise, the following reference. 2013-2019 (c) EuroGA Servers Limited Built By DSC With Kit the Community and Content Management System Disclaimer: This is a publicly accessible system. 4 Update of ATC Activated description. CTOT Limit followed. GRAMET - never seen these as clean as these were. In the case of EM by flow (option 2a), the geographical dimensions of the TFV should capture the exempted flow. 600 5 1 Introduction 1. int Rerouting Status: presents a summary of the (IFPS/Overload/MAX Shift Delay/etc. 01. New CTOT and New CTO values are considered as desired values with some tolerance. They are in fact referring to the CTOT. The First Rotation Hours Optimisation Trial concept works as follows: each day, SWISS’s Operations Control Centre (OCC) is invited to select two flights that are scheduled to arrive when the Wave Three restrictions are in force. 18038/aubtda. Variant 2: the period between 5 minutes before and 5 minutes after the CTOT. EUROCONTROL Forecast 2023-2029. ATFM/SG/4−WP/06 Attachment A . 2. EUROCONTROL ITWP HMI Description Page 8 V4 - Final 1. Peter. Note: ATFCM stands for "Air Traffic Flow and Capacity Management" Description. or. OneSky Online is EUROCONTROL's Extranet, that part of our website where content can be accessed by authorised users only. 4 1 June 2012 B. By default, this field is empty. The intended. 5. 0 Edition Validity Date: 31-10-2021 Classification: Green Page: i DOCUMENT CONTROL Document Title ATFCM Procedural Contingency Plan Document Subtitle Winter 2021-22 Document Reference Edition Number 1. (Count Type):, proposes two values: (the default value) fields as described in the tab - with the exception of the Show VFR/OAT at Aerodrome fields and persent the following: All other query parameters. Last update: 05. The new EOBT must not be after this time. In Europe, (EUROCONTROL’s area of operations), issuing a CTOT creates an ATFM “slot” that restricts when the aircraft can depart to a narrow window between 5 minutes before and 10 minutes after the CTOT. t. Live flight plan information app for flight crew, ATC, ground crew. 300428 T2 - Anadolu University Journal. GA flight plans and national. CTOT) are computed. I ended up cancelling that plan and filed a new routing avoiding Austria ATC alltogether with allowed us to take off immediately. Password. : Estimated Time of Arrival. The objective of this study is to assess the impact on the network if 42 airports were to implement Airport CDM, assuming the same level of benefits that Munich Airport has achieved and provide the CFMU with accurate Target Take Off Times via DPI messages. In America, the CTOT is issued by the ATCSSC (Air Traffic Control System Command Center) using very similar procedures. Computed take NOP Network Operations Portal - EUROCONTROL The CTOT app. Aggregated data and printed reports limited speed of production. releases@eurocontrol. "V" if the CTOT has been limited to avoid IFPS violations. -TITLE SAM-ARCID AMB101-IFPLID AA12345678-ADEP EGLL-ADES LMML-EOBT 0945-CTOT 1030. pp. 9. ATFM delay: CTOT-ETOT Schedule buffer ATFM delay TXO (Airline reported Scheduled Time of Arrival at gate (STA) Estimated Flight Time Actual Flight Time Taxi-InCTOT -(minus)Taxi Time -TRS -3 min After this time threshold a flight will not appear as candidate in the slot swap candidate list. The. pdf. (Eurocontrol / SESAR) Reformatted 0. 0 . Solution #21 is strongly linked with SESAR Solution #18 ‘CTOT to TTA for ATFCM’ and with Solution #20 ‘Collaborative NOP’ due to the concept integration needed with the Airport Operations Plan (AOP). Data is published monthly with. Our airfield is in a LFA but in reality the RAF seldom fly at all, let alone really low. CTOT Limit followed on subsequent lines for each letter code present in the list: t = Forced by Tower f = Forced by NMOC w = Was Forced by NMOC e = Slot Extension c = Forced by CHAMAN s. 0. e. It is composed of the Target TOT with the evaluation stamp and remarks, if any, resulting from the evaluation. Recently I filled IFR flightplan from small flugplatz in Germany (VFR tkof and IFR pickup at one of the points) vie foreflight. It ranges from ATFCM slot adherence, provision of accurate EOBT/CTOT to the en-route stage of flight, e. Specific Commands. Delay and cancellation messages are easily sent from the AMEXSY module in the PPS Control Panel. Once CTOT is received by the A-CDM system, it will re-calculate certain key times as follows: a. OneSky Online is EUROCONTROL's Extranet, that part of our website where content can be accessed by authorised users only. 1. Relations between roles are represented by interaction and interlevel links. It also ensures that existing and future airport. EUROCONTROL Network Management Directorate Edition Number: 1. fullstop. nm. DEL02, Issue 2. This type of planning involves different stakeholders (e. CTOT improvement management of the ATFCM Operations Manual edition 23. The Hct quality control for the epoc® Blood Analysis System. Comparison MPL3 2020 to MPL3 2021 2021 LSSIP+ Event 6 ATC15. When ready, the Send button shall be clicked. operation and consists of planning and coordination activities. OneSky Online. User-friendly flight plan app with CTOT and TOBT! Live flight plan information app for flight crew, ATC, ground crew. Forging origin phone numbers is also trivial. EUROCONTROL ADEXP Standard into a Specification, the IFPS Users Manual Edition 17. 5. Returns `t235959` displayed as 23:59:59 assuming a current Analytics time display format of hh:mm:ss: CTOT(. Further reference: Airport Collaborative Decision Making (A-CDM) Implementation Manual, Eurocontrol; Take Off Time (TOT) ICAO Doc 7030/4 – EUR, Table 7Chapter 6. Requests sent to NMOC can handled in two ways: In a number of cases, the request can be handled automatically, as it is analysed by a script that returns the appropriate response. 0; EUROCONTROL, 1/05/98. It says EGLL's taxi time for runway 23 departures is 20 minutes! They might have to wait slightly longer than that!February 9, 2022 by Admin. COMMUNICATION / CDM PROCESSES 9. Weather. 235959) CTOT(20141231. SKYclips (new) SKYclips are a growing collection of short animations of around 2 minutes duration which focus on a single safety topic in aviation. Anadolu Üniversitesi Bilim Ve Teknoloji Dergisi A - Uygulamalı Bilimler ve Mühendislik. ; WEF: Start time of the query period. Despite the specificity, there are several common leasing and financing scenarios that this letter format does not address, such. Taylor (Lincoln Lab) Updated with review comments 0. Digitalisation and information management. Password. dollars can be estimated. When discussing CTOTs over the phone, I've always used (and heard) the term CTOT. Taylor (Lincoln Lab) Release Candidate 1. POST OPERATIONS PHASE 8. IMHO the flight support business model is under pressure because Eurocontrol lost control of autorouting in 2008 (they tried to block access to it for years, for reasons one can only speculate on) and with booking. GET iOS APP. ForeFlight currently supports filing within and between any. EUROCONTROL Airport CDM, FIXM 2. - LOS1522M. removal of pre-tactical part and of demand peak description; 6. GSM encryption to start with is very weak, and you don’t need to be a government player to exploit it. From about 2010 I used Flightplanpro (FPP). This covers flight plan information with richer route/trajectory descriptions. 0 Release e) EUROCONTROL ATFCM Users Manual (23rd Edition) 1. Note this was always for flights below FL150, but it mostly happened when flying in Eastern Europe, which I did a lot during that time. The first reference period (RP1) covers the calendar years 2012 to 2014 inclusive. EUROCONTROL | Supporting European Aviation | EUROCONTROL EUROCONTROL EXPERIMENTAL CENTRE ATFM MODELLING CAPABILITY AMOC EEC Note No. APP FEATURES. A slot window is available to ATC to optimise the departure sequence. ADEXP They are defined in the EUROCONTROL . Sequence - Flight Plan data [FPL] Fixed taxi time . Eurocontrol Slot Allocation Methodology and New Approach for Calculated Take Off Times (Ctot): Alternative Ctot Versus Ctot . The first reference period (RP1) covers the calendar years 2012 to 2014 inclusive. Airspace World. . A flight has a CTOT, the captain automatically re-ceives the CTOT and any slot revision messages as e-mail and/or SMS message. P. journal: Anadolu Üniversitesi Bilim ve Teknoloji Dergisi :A-Uygulamalı Bilimler ve Mühendislik: en_US: dc. P. 1. ForeFlight currently supports filing within and between any. int. iPhone. EUROCONTROL | Supporting European Aviation | EUROCONTROL2 . Then giving up in despair blaming us or Eurocontrol. 500 -137. CTOT . The new EOBT must not be after this time. Sebastian_G. FIXM includes the following components: FIXM UML model and XML schema, which form the main FIXM components; FIXM Implementation. Eurocontrol, which manages flights over Europe, has said one of its unions could take. 8. Our global, redundant AFTN connection provides fast, direct, and unlimited access to filing flight plans with no additional cost or account configuration required. 2. Had an IFR departure from Deauville to Guernsey today which was scheduled for 1000Z and got a CTOT for 1006. The FIXM Work Area is an online collaboration space that is available to anyone interested in using FIXM. I have done this; last time in Sep 2017 when a large region in SE France was on strike. 0 16 Aug 2012 B. The Calculated Take Off Time is basically a departure slot allocated by flow control, the system works on an estimated off blocks time and a nominal taxy time for the aerodrome (EGPF 10mins) and the delay is determined from that. The two flight numbers must be communicated by 06:30 LT to the NMOC, which then allocates on-time. 000 MHz) reserved for datalink free from voice communication to ensure most efficient communication between air traffic control (ATC) and pilots. Take Off from Outstation (ATOT – Munich. It uses the latest traffic data to show how States, airports and airlines are performing, with further analysis of market segments, fuel prices, and delays. (CTOT) allocated by the Network Manager. or. So this happened yesterday: Had a VFR inbound slot in Zürich (no IFR slots available for many hours, so didn’t really have a choice). STO7. It looks as if madness is taking over my homebase with the coming Pilot-Controller meeting and barbecue. I work in aviation, but my airline does not provide me with an. The initial display sort sequence for the Suspended Flight List is Descending order on the E/CTOT column. ATFCM consists of 4 phases: 1. Taxi to the hold and told to report 3 minutes before ready for departure. Our activities touch on operations, service provision, concept development, research, Europe-wide project implementation, performance improvements,. The concept is an integral part of the SESAR program. 12-Apr-23. 8bn) last year, up by 28% on 2017. Track your flights and maintain situational awareness from departure to destination with FlightBoard – a web-based tool to empower day-of-flight operations. The new EOBT must be earlier than 1035. Hi, quick question: As I will be staying east of Paris with my family for the coming days (Disneyland for the girls…) I was wondering if on 12th may I could have a flight, ideally with a local FI, to get a little accustomed to flying in France. 9. CTOT extension procedure; 5. There are other tools, non-free. We have simplified the interface, but the way you access your tools and services remains unchanged. OneSky Online is EUROCONTROL's Extranet, that part of our website where content can be accessed by authorised users only. Enter the email address you signed up with and we'll email you a reset link. ForeFlight already supports the ICAO flight plan. This terminates the IFR clearance (as far as the UK is concerned). My observations: From 2001 to about 2005, I was occasionally assigned slots. <br>I am interested to join in specific course in order to increase and. 300428 T2 - Anadolu University Journal. ATFM Slot Adherence. a return CTOT would really screw me up w. These taxi times are calculated using the airline reported actual off-block time (AOBT), actual take-off time (ATOT), actual landing time (ALDT) and. CTOT app offers you the possibilty to check live CTOT information about the flights in European airspace. 8. In [ 15 ] fuel consumption is evaluated for terminal areas with a Terminal Inefficiency metric based on the variation in terminal area fuel consumed across. It will either result in the closure of all Greek airports which do not have holiday airline traffic, or it will result in them trimming their costs to something reasonable (you don't need 4 CAA employees, plus all the others, at an airport which gets 1 x commuter turboprop and a few GAs per day). 45 The Asia/Pacific Region ATFM terminology for use in ATFM communications is provided at Appendix X. The matching Flights are listed in a table, and the data displayed across an varying array of columns, depending on the selected Tab, and on your user. Air traffic is recognised to bring benefits to the local economy, in terms of both cargo and passenger mobility. : Calculated Time of. Note that the likelihood of this condition to be met is limited. In addition to the above commonly shared buttons, the Button Bar may sometimes present commands linked to specific functions: FMP, AO and Tower are among those. • Fully automated data exchange with EUROCONTROL is no longer based on realistic target take-off times • Non-compliance with CTOTs: A slot returned at short notice can no longer be used by other aircraft. 2. CTOT) are computed. (3) This. 119- 126. EGKA closing time of 1900 UTC (I normally work on a 2hr margin). (CTOT) notifications (if applicable to your flight). Network Management Board (NMB) 38. The REA message can only be sent for flights with a published slot and which are not yet active. Your flight plan is subject to flow management and a departure slot was assigned. EUROCONTROL: The European organisation for the safety of air navigation. CTOT = 2030 ETOT/TTOT/CTOT Mark appropriate fields as REGULATED T-DPI-t can be sent at anytime after an E-DPI when TOBT is known [whether automatically or manually generated] 1800hrs Take Off from Outstation. 0, available on the EUROCONTROL One-SKY teams B2B library Welcome to EUROCONTROL’s TV channel! On this channel, you’ll find various insights into our work to keep the aviation system safe, more efficient, more cost-effective and with a minimal. assisting NM users with regard to their tactical flow management or calculated take-off time (CTOT) issues; providing easy and quick access to a significant set of information that. 2. 45 The Asia/Pacific Region ATFM terminology for use in ATFM communications is provided at Appendix X. Airport integration. 7. A-ENPRM Advanced EUROCONTROL Notice of Proposed Rule-making A-G Air to Ground A-iCWP Advanced Integrated Tower Controller Working Position A-ITSM Agency IT Service Management System A-law PCM Companding Algorithm Used in Europe A-NPA Advance Notice of Proposed Amendments A-PNT Alternative Positioning Navigation and Timing. 0 EOBT Estimated Off-Block Time ICAO Doc 4444, FIXM 2. It starts with an introduction to the NM B2B web services and a description of the attributes pertaining to each API service. Moderate turbulence is similar to light turbulence, but of greater intensity – variations in speed as well as altitude and attitude may occur but the aircraft remains in control all the time. With the growing number of airport operators using A-CDM, this in turn has seen an increase in the use of various online interfaces and smartphone apps created by these airports, where data such as TSAT and CTOT can be quickly checked. The Network Operations Portal (NOP) is a collaboration application that enables the EUROCONTROL Network Manager’s (NM) operational stakeholders to interact and collaborate with our Network Manager Operations Centre (NMOC). 01. 4 change of wording. Taylor (Lincoln Lab) Update 0. 2013-2023 (c) EuroGA Servers Limited Disclaimer: This is a publicly accessible system. Estimated off block time . If it is, then this action will not trigger a. Achim said that Switzerland is a big problem for low-level GA currently…. In addition, flights departing from A-CDM which are already in a departure sequence (‘s’ CDM status) should not be selected if there is any other possibility. CTOT ATOT at outstation FIR Entry ELDT, ALDT EIBT, AIBT EOBT,TOBT, TSAT, AOBT ETOT, TTOT, ATOT. A SAM will consist of an indication informing the flight of the requirement for a CTOT, followed by an assigned taxi and takeoff time. API and Webhook notifications. By default, this field is empty. It is a procedure under IFR but not solid IMC i. The measures pertain to the Air Transport and Air Traffic Management Sector. In this example, the flight was handed over (by Lille) to London Info (area FIS) instead of London Control. The Specification of the Interactions Between the Roles. The TFV used for the EM flow WX ARR procedure should geographically encompass the arrival routes and STARs, used by the exempted arrival flights. 1 Edition date : 30 Sep 2014 Reference : NETWORK OPERATIONS HANDBOOK Slot Swapping. I work in aviation, but my airline does not provide me with. 33 requirements (merged) Active Threads; Latest Posts; Back to Top. 4. 22 November 2023. This chart is produced at each AIRAC cycle, and is available one AIRAC cycle in advance. There isn’t a Eurocontrol jail in the sky where they send pilots, with 2 choices: (a) to fly holds for one hour or (b) to cancel IFR and have to dig out VFR charts and hack along at 999ft across Belgium or whatever. Source: EUROCONTROL ATM Lexicon. Intended FPL (ICAO format)? Special ATS services requested ? I agree that my data can be processed in accordance with EUROCONTROL's privacy and data protection policy . Access your flight data and receive webhook notification directly with the API, without the need for an app. 2013-2023 (c) EuroGA Servers Limited Disclaimer: This is a publicly accessible system. MSLP. NOP Network Operations Portal - EUROCONTROLAbbreviated most commonly as CTOT, the Calculated Take-off Time is a time given to commercial aircraft prior to departure in Europe. 12 January 2023. The airport operator provides the taxi time table. Taylor (Lincoln Lab) Release Candidate 1. ATFM delay to which a flight is subjected is defined to have as cause the most penalizing ATFM regulation which affects it. eurocontrol Definition Calculated Take Off Time (CTOT) - The time provided by the Central Flow Management Unit (CFMU) , taking into account the European Civil Aviation Conference (ECAC) ATC flow situation, that an aircraft has been calculated to take off. 20/12/2016, available on the EUROCONTROL One-SKY teams B2B library. Satellite IR. Nobody asked me about it once I was in the air. com etc for booking hotels, there is not much meat left. 2023 (post operational adjustments are not yet taken into account)This OI amends section 5. Radar. (2) This document has a document reference of " APT/USD/AdvAtcTwrImplGuide ". section 4 page 4-7 refers it states quite clearly that for airline operators, they need to coordinate the departure time to comply with the slot i. Flights are regulated by issuing a calculated take-off time (CTOT) that creates an ATFM 'slot'. or reset password. The slot is due to the following regulations: - LONE1222. Remember me on this computer. . Ipad apps, though to be fair they tend to be in. 0. General. To make it clear after a MAN you MUST WAIT until it is either confirmed ACK or REJ for rejected. 0:LogicalModel:Subjects:AirTrafficOperations:DemandAndCapacityBalancing:ATFMDepartureSlot@ctot 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. B2B WRITE Service Documentation Set, dated 22/11/2017, available on the EUROCONTROL One-SKY teams B2B library. You can do VFR and Eurocontrol concurrently but not two Eurocontrol ones. releases@eurocontrol. 5. EUROCONTROL NMOC will consequently receive regular updates of the status of flights while aircraft are still on the ground. 0 FB1170: FF-ICE/R1 services Correction & Tuning 11. co-financed by the EU and EUROCONTROL. 0 and the nomination of EUROCONTROL as Network Manager: - Updated document template and ISBN - Editorial changes in executive summary - Editorial changes in the introduction - Review of the defined terms - Indication of aircraft capability details in flight plans-CTOT 1030 -REGUL RMZ24M -TTO -PTID VEULE -TO 1050 -FL F300 -TAXITIME 0020 -REGCAUSE CE 81 SAM: SLOT ALLOCATION MESSAGE The SAM is used to inform AOs & ATS of the Calculated Take-Off Time (CTOT) computed by CASA for an individual flight, to which AOs / ATC must adhere. Reduction of ATFM delay due to better CTOT allocation as a result of the DPI exchange. and targets. the period between 5 minutes before and 5 minutes after the CTOT. 18038/aubtda.