Bird flock and migration activity is expected around the aerodrome; exercise caution during landing and takeoff.

G4013/26

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OTHBird Activity

2026-09-04 10:05 - 2026-11-20 15:59

Duration:3 months

Period of Applicability

2026-09-04 10:05 - 2026-11-20 15:59

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Interpretation

Bird flock migration and activity will occur around the aerodrome. Migrating flocks move north to south at 0–600 m, with peak movement from 2100 to 0230 the next day and from 1000 to 1430. Other bird flocks move south to north or north to south below 100 m, with peak movement from 2130 to 0230 the next day and from 0830 to 1130. Exercise caution during landing and takeoff.

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Raw NOTAM

G4013/26 NOTAMN
Q)ZHWH/QFAHX/IV/NBO/A/000/999/3431N11350E005
A)ZHCC B)2609041005 C)2611201559
E) ACTIVITIES OF BIRD FLOCKS AND MIGRATION WILL TAKE PLACE AROUND
AD:
1. BIRD FLOCKS MIGRATION:
MIGRATION ROUTE: FM NORTH TO SOUTH.
ALT:0M-600M.
MOVE FASTIGIUM TIME:2100-0230(NEXT DAY),1000-1430.
2. ACTIVITIES OF BIRD FLOCKS:
MOVE ROUTE:FROM SOUTH TO NORTH OR FROM NORTH TO SOUTH
ALT:BELOW 100M
MOVE FASTIGIUM TIME:2130-0230(NEXT DAY),0830-1130.
EXERCISE CAUTION WHILE LANDING AND TAKE-OFF.

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