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Welcome to Japan Schedule Coodination(JSC)

Japan Schedule Coordination (JSC) is an independent non-profit organization under the Japan Aeronautic Association (JAA) which is a national foundation established for the purpose of promoting the development of aeronautics and astronautics in Japan and enhancing the cooperation with world aerospace communities. JSC is in charge of slot allocation for Narita International Airport (NRT), Tokyo International Airport (Haneda) (HND), Fukuoka Airport (FUK) and Kansai International Airport (KIX), and schedule facilitation for New Chitose Airport (CTS).

Level Change of KIX (from L2 to L3)

Japan Civil Aviation Bureau has notified IATA of a change in the designated Level of Kansai International Airport(KIX) from Level 2 to Level 3. The change will take effect from the start of the Northern Winter 2021 season (NW21). JSC, who has facilitated the schedule of KIX, will be continuously assigned as a Coordinator of KIX.

All carriers serving KIX are reminded that they must be allocated a slot by the Coordinator before operating. Upon commencement of W21 coordination, JSC will determine the historic slots for each airline that operated at KIX in W20 based on the planned and operated schedules in W20 (U/L waiver will be taken into consideration) and will send SHL by SHL Deadline(19APR 2021). For details about the determination of historics, please see the page KIX Menu.

Slot Monitoring

10th Edition of IATA WSG became effective on 1 August 2019 which is downloadable from the bottom of this page. The significant change compared with the previous edition is the inclusion of “Slot Monitoring” which is described in a new Chapter 9. Based on this inclusion, the slot monitoring program will be initiated in Japan effective S20.

The purpose of this monitoring is mainly the calculation of 80/20, misuse of slots and on time performance (OTP). Slot monitoring is divided in two parts; Pre-Operation Analysis and Post-Operation Analysis. The results of the monitoring will be reported at the occasion of Airport Coordination Committee (ACC). The details can be found in the attachement. >> Attachment

// ATTENTION ALL AIRLINES //
*Applicable to HND/NRT/FUK/KIX/CTS
According to requirements set by JCAB, JSC is asking ALL airlines to indicate the reason for slot returns/ schedule cancellations within SI field of your SCR/SMA when they occur after the slot return deadline set by IATA. For details, please see the page Slot Monitoring.

2020 Tokyo Olympics and Paralympics Games

Games of the XXXII Olympiad (scheduled to be held between 24 July - 9 August 2020) and Tokyo 2020 Paralympic Games (scheduled to be held between 25 August - 6 September 2020) were postponed to 2021.
IOC, IPC, Tokyo 2020 Organizing Committee, the Tokyo Metropolitan Government and the Government of Japan agreed to new dates for the Games of the XXXII Olympiad, in 2021. The Olympic Games Tokyo 2020 are now held from 23 July to 8 August 2021. The paralympics will be held from 24 August to 5 September 2021.

The details of Olympic Games and Paralympic Games can be found at https://tokyo2020.org/en/.

2020 Tokyo Olympics and Paralympics Games

Current Activities


28 March: Start of Season (S21)

19 April: SHL Deadline for W21
06 May: Agreed Historics Deadline
13 May: Initial Submission Deadline for W21
03 June: SAL Deadline for W21
15-17 June: IATA Slot Conference (SC148)
15 August: Series Return Deadline (SRD)
XX September (TBA): 11th Airport Coordination Committee (ACC)
31 October: Start of Season (W21)

IATA Slot Conference (SC)


The Slot Conference (SC) is a “Working Conference". With 1200 delegates, from over 230 airlines and representatives of over 85 schedules facilitated or fully coordinated airports, this semi-annual working conference is IATA's largest event. The goal of the conference is for airlines and airports to obtain the slots that will give them the best possible schedule to offer their customer.

The 148 Slot Conference (SC) for the 2021 Winter Scheduling Season, 31 October 2021 through 26 March 2022, was replaced with virtual meeting due to COVID-19, from June 15 to 17,2021.
>>>>>more detail (http://www.iata.org/events/sc148/Pages/index.aspx)
The 149 Slot Conference (SC) for the 2022 Summer Scheduling Season, 27 March 2022 through 29 October 2022, will be held in Rome, Italy, from November 16 to 19, 2021, as Hybrid Event.
>>>>>more detail (http://www.iata.org/events/sc149/Pages/index.aspx)

Worldwide Airport Slot Guidelines (WASG)


The Worldwide Airport Slot Guidelines (WASG) is a document that defines the policy, principles, process for slot allocation and slot monitoring that airlines schedulers, coordinators and facilitators have to follow. The airport levels, the role of airlines, airports, coordinators and facilitators, the priorities of coordination, and ‘Use It or Lose It' rule (U/L), etc. are defined in this WASG. The WASG is developed and maintained by three parties; IATA, Airport Council International (ACI) and Worldwide Airport Coordinators Group (WWACG).
>>>>>more detail (https://www.iata.org/en/policy/slots/slot-guidelines/)