CIVIL AVIATION AUTHORITY OF SINGAPORE

Contact

Post:

REPUBLIC OF SINGAPORE
AERONAUTICAL INFORMATION SERVICES
CIVIL AVIATION AUTHORITY OF SINGAPORE
60 AIRPORT BOULEVARD, CHANGI AIRPORT TERMINAL 2, #04-01
SINGAPORE 819643

Tel: (65) 69550400

AFS: WSSSYNYX

Email: caas_singaporeais@caas.gov.sg

URL: https://aim-sg.caas.gov.sg/

AIP Supplement

Logo of the Organization

AIRAC AIP SUP

091/2025

Effective from 07 AUG 2025 to PERM

Published on 26 JUN 2025

  SINGAPORE CHANGI AIRPORT – CHANGES TO PILOT DISPLAY INFORMATION ON THE AIRCRAFT DOCKING GUIDANCE SYSTEM(ADGS) - PILOT DISPLAY UNIT (PDU)

1  INTRODUCTION

1.1 This AIP Supplement informs aircraft operators and pilots on the changes to the information display on the Aircraft Docking Guidance System (ADGS) - Pilot Display Unit (PDU) at Singapore Changi Airport, effective from 07 August 2025, 2200UTC.

2  PILOT INFO DISPLAY ON THE ADGS-PDU

2.1 Referring to AIP Singapore WSSS AD2.22 Section 6, paragraph 6.1, information on the ADGS-PDU is updated as follows:
Aircraft Docking Guidance System (ADGS)
DescriptionDisplay in ADGS
Aircraft arrival to stand

- Updated interface where aircraft type and scrolling arrow will be shown on the PDU to indicate that the ADGS is active (i.e. scanning for aircraft)
20 minutes prior to EIBT

- ADGS will display EIBT and ALDT (if any) captured from FCS. A countdown timer (+/- 2 digits) to EIBT is shown in minutes

- As ADGS can only display up to 7 characters per line. The displayed message will be scrolling

- Timings displayed will be in Local Time (LT)

- EIBT and ALDT timing will change instantly if there is an update from FCS
40 minutes prior to TOBT

- ADGS will display TOBT submitted by AO/GHA and a countdown timer (+/- 2 digits) to TOBT in minutes

- ADGS will also display TSAT submitted by CAAS

- As ADGS can only display up to 7 characters per line. The displayed message will be scrolling

- Timings displayed will be in Local Time (LT)

- TOBT timings will change instantly if there is an update done by AO/GHA

- TSAT timings will remain blank if no input from CAAS, or will change if there is an update done by CAAS
After aircraft departs from stand

- ADGS will display the flight no. And actual off-block time (AOBT)

- As ADGS can only display up to 7 characters per line. The displayed message will be scrolling.

- Timings displayed will be in Local Time (LT)

- TOBT, TSAT and TOBT countdown timer will be removed

- AOBT display will be removed 10 minutes after AOBT

Note: In the event of an imminent arrival (<10min of AOBT), the post departure information will supersede the pre-arrival information
For information updates: EIBT, TOBT and TSAT will blink red once

- Updated timings will blink red once shortly (Approx. one second) to provide pilots and ramp staff with more awareness of changes in timings

3  CONCLUSION

3.1 Any change to the contents of this AIP Supplement will be notified through NOTAM.
3.2 This AIP Supplement will be cancelled when the contents are incorporated into AIP Singapore.