Bird migration and sporadic bird activity affect the aerodrome and adjacent airspace; exercise caution during landing and takeoff.

G4283/26

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OTHBird Activity

2026-09-21 03:04 - 2026-09-28 15:59

Duration:8 days

Period of Applicability

2026-09-21 03:04 - 2026-09-28 15:59

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Interpretation

Seasonal migratory bird flocks move north to south through the aerodrome and adjacent airspace throughout the day, with relatively high activity from 1000 to 2300 at 300–4,500 m. Bird strikes are more likely 10–35 km from runway thresholds at 600–1,800 m. Sporadic bird activity occurs from 2200 to 1030 the next day at 0–100 m, with some birds at 60–200 m before landing on RWY 02R/20L, 03/21, and 01L/19R; activity from 1030 to 2200 occurs at 0–200 m. Aircraft are advised to use continuous descent and climb operations and exercise caution during landing and takeoff; the aerodrome authority uses bird-dispersal methods.

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Raw NOTAM

G4283/26 NOTAMR G4185/26
Q)ZGZU/QFAHX/IV/NBO/A/000/999/2324N11319E005
A)ZGGG B)2609210304 C)2609281559
E) ACTIVITIES OF BIRD FLOCKS AND MIGRATION WILL TAKE PLACE AROUND
AD:
1. SEASONAL MIGRATORY BIRD THROUGH AD AND ADJACENT AIRSPACE.
MIGRATION ROUTE:FROM NORTH TO SOUTH
MIGRATION TIME:ALL DAY
BIRD MIGRATION IS RELATIVELY HIGH DURING 1000-2300 AT ALT OF
300M-4,500M
BIRD STRIKE ARE MORE LIKELY TO OCCUR DURING THE FLIGHT PHASE AT
DISTANCE OF 10KM-35KM RWY THR AND ALT OF 600M-1,800M.
ACFT ADVISE TO USE CONTINUOUS DESCENT OPERATION AND CONTINUOUS
CLIMB OPERATION.
2. SPORADIC BIRD ACTIVITY:
2.1 TIME:2200-1030(NEXT DAY)
ALT: 0M-100M.
SOME BIRDS ARE ACTIVE ALT OF 60M-200M PRIOR TO LANDING ON
RWY02R/20L/03/21/01L/19R.
2.2 TIME:1030-2200
ALT:0-200M
AERODROME AUTHORITY RESORTS TO DISPERSAL METHODS TO REDUCE BIRD
ACTIVITIES.
EXERCISE CAUTION WHILE LANDING AND TAKE-OFF.

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