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GovHK 香港政府一站通 Civil Aviation Department  
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Online Coordination System (OCS)

  • OCS is a real-time system that is designed to respond instantly to requests with the intention of ensuring the users are always provided with the latest information and a responsive service (including out-of-office-hours).

  • All users can request real-time information which includes the availability of runway slots of airports, such as HKIA. Visit the portal of Online Coordination at www.online-coordination.com for detailed information (including application for OCS accounts).
  • Online Coordination
    Hints and Tips (Useful notes for HKG OCS Users)

  • OCS for HKIA will be available for GCR handling by GABA operators for flights in S11 (OCS Phase 1 Implementation effective in July 2011).

  • Registered users can request new slots and make change to their existing slot profile by editing records of their slots directly (applicable to those GCR slots cleared by OCS via the same user account). For registration detail, select "How to Apply" under "Information" pull down list at OCS website.

  • For Phase 1 OCS implementation, OCS will handle GCR submission, changes & deletion within 7 calendar days from the day of application.

  • OCS does not accept retrospective changes and test / training / demonstration flight in HKG.

  • Application for test / training / demonstration flight at HKIA and HKFIR should be submitted to HKSCO via e-mail (hkgslot@cad.gov.hk) in IATA SSIM format.

  • Application for helicopter movement at HKIA should be submitted to HKSCO via e-mail in IATA SSIM format.

  • Any abuse of these procedures may result in rejection of the flight movement at HKIA.

  • If the last 4 to 5 characters of the aircraft registration are numbers, a hyphen should be inserted after the letter(s).
  • For example : Change : B1234
    N56789
    To : B-1234
    N-56789
    Helpdesk Information

  • Please visit OCS Online Help System and FAQ's at www.online-coordination.com

  • For any login, password or pass phrase problems phase contact help@acl-uk.org (at UK office hour).

  • In case of system unserviceable, submit your request to us via e-mail at hkgslot@cad.gov.hk.

  • Copyright and Disclaimer HKG Schedule Coordination Office   |   Last update: Nov 2011