Online Coordination System (OCS)
The OCS is an online system that can provide real-time information on slot availability
at selected airports including HKIA and allow a registered user to manage its own slot
portfolio by requesting new slots or cancelling cleared slots.
Please visit the portal of the OCS at www.online-coordination.com for detailed information (including
the application procedures for creating an OCS account to become a registered user).
Hints and Tips (Useful notes for HKG OCS Users)
OCS for HKIA has been available for GCR handling by GABA operators for flights since
Registered users can request new slots or cancel their existing slots 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.
OCS will only handle GCR submission, and deletion within 7 calendar days from the day of
application. This application window will be extended to 14 days with effect from 1600
UTC on 26 September 2016.
OCS does not accept retrospective changes and test / training / demonstration flight in
Application for test / training /
demonstration flight at HKIA and HKFIR should be submitted to HKSCO via
e-mail (email@example.com) in IATA SSIM format as per Aeronautical Information Circular
(AIC) AIC 03/17.
Application for helicopter movement at
HKIA should be submitted to HKSCO via e-mail in IATA SSIM format as per AIC 29/19.
Any abuse of these procedures may result in rejection of the flight movement at HKIA.