Follow-the-Greens operational trial in Changi with defined taxi procedures and limitations.

A0740/26

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OpsFlight Procedures

2026-06-01 11:00 - 2026-07-31 23:00

Duration:aggregated 2 months

Period of Applicability

2026-06-01 11:00 - 2026-07-31 23:00

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Interpretation

Follow-the-Greens operational trial in Changi Airport with defined taxi procedures: taxiway centerline lights will be progressively activated to provide guidance along the ATC-cleared route; service is not available on runways and rapid exit taxiways (vacate by ATC verbal instructions); ATC will use “follow the greens” with a verbal clearance limit; pilots must follow green centerline lights until the clearance limit or a red stopbar, and stop if no green lights, a red stopbar is lit, or route is ambiguous; maintain wingtip clearance and follow lead-in markings to stands; ensure transponder operable before pushback (departures) and after landing until parked (arrivals); when the service is terminated, ATC reverts to verbal taxi instructions. Schedule: Jun 01–30 1100–2300 and Jul 01–31 1100–2300 local.

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Raw NOTAM

A0740/26 NOTAMN
Q) WSJC/QFAXX/IV/BO/A/000/999/0122N10359E005
A) WSSS PART 1 OF 2 B) 2606011100 C) 2607312300
D) JUN 01-30 1100-2300, JUL 01-31 1100-2300
E) FOLLOW THE GREENS OPERATIONAL TRIAL ONGOING IN CHANGI AIRPORT.
DURING THE TRIAL:
I. TWY CL LGT WILL BE PROGRESSIVELY TURNED ON. PILOTS ARE PROVIDED
WITH DEDICATED VISUAL GUIDANCE ON ATC CLEARED TAXI ROUTE.
II. FOLLOW THE GREENS SER NOT AVBL ON RWY AND RAPID EXIT TWY.
PILOTS SHALL FOLLOW ATC VERBAL TURN INSTRUCTIONS WHEN VACATING RWY
III. ATC WILL USE THE PHRASEOLOGY FOLLOW THE GREENS TOGETHER WITH A
VERBAL CLEARANCE LIMIT (HOLD SHORT POINT) WHEN ISSUING A TAXI
CLEARANCE TO PILOTS.
IV. PILOTS SHALL STRICTLY ADHERE TO FOLLOW THE GREENS TAXI
INSTRUCTIONS AND FOLLOW THE GREEN CL LGT UNTIL THE CLEARANCE LIMIT
OR WHERE RED STOPBAR IS ILLUMINATED. PILOTS SHALL KEEP A LOOKOUT
FOR CONTINUOUS GREENS WHEN APPROACHING JUNCTIONS.
V. PILOTS SHALL NOT TAXI AHEAD IF THERE ARE NO GREEN CL LGT OR WHEN
RED STOP BAR IS ILLUMINATED. PILOTS SHALL NOT PROCEED PAST THE
VERBAL CLEARANCE LIMIT WITHOUT ATC APPROVAL EVEN WHEN NO RED
STOPBAR IS ILLUMINATED.
VI. IN INSTANCES OF AMBIGUITY OR WHEN MULTIPLE GREEN LGT SEGMENTS
OR BREAKS IN THE GREENS ARE OBSERVED, PILOTS SHALL STOP AND SEEK
CONFIRMATION BEFORE FURTHER TAXI. ATC WILL PROVIDE ADDITIONAL
VERBAL GUIDANCE.
END PART 1 OF 2
A0740/26 NOTAMN
Q) WSJC/QFAXX/IV/BO/A/000/999/0122N10359E005
A) WSSS PART 2 OF 2 B) 2606011100 C) 2607312300
D) JUN 01-30 1100-2300, JUL 01-31 1100-2300
E) VII. PILOTS ARE REMINDED TO EXER CTN TO ENSURE SUFFICIENT WINGTIP
CLEARANCE AND SEPARATION WITH OTHER ACFT. WHEN APPROACHING ACFT
STANDS, PILOTS SHALL FOLLOW THE LEAD IN LINE MARKINGS AS THE GREEN
LGT MAY NOT TERMINATE IN FRONT OF THE PRKG STANDS.
VIII. FOR DEP, PILOTS SHALL ENSURE ACFT TRANSPONDER IS OPR PRIOR TO
PUSHBACK CLR REQ. FOR ARR, PILOTS SHALL ENSURE ACFT TRANSPONDER IS
OPR AFT LDG TIL THE ACFT REACH THE PRKG STAND.
IX. WHEN FOLLOW THE GREENS SER IS TERMINATED, ATC WILL REVERT TO
VERBAL TAXI INSTRUCTIONS. PILOTS SHALL RESUME OWN NAV WITH
REFERENCE TO TWY GUIDANCE SIGNS AND MARKINGS.)
END PART 2 OF 2

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