Contact

Aeronautical Information Management Department
222 Soi Vibhavadi Rangsit 28,
Vibhavadi Rangsit Rd., Chatuchak,
Chatuchak, Bangkok 10900 Thailand

Tel: +662 568 8831

Fax: +662 576 1903

AFS: VTBAYOYX

Email: [email protected]

Email: [email protected]

AIP Supplement for Thailand

AIP SUP

A 16/25

Effective from 09 APR 2025

to 27 MAY 2026

Published on 03 APR 2025

  BIRD CONCENTRATIONS IN THE VICINITY OF
MAE FAH LUANG-CHIANG RAI INTERNATIONAL AIRPORT (VTCT)

1  INTRODUCTION

With effect from 9 April 2025 at 1700 UTC to 27 May 2026 at 2359 UTC, pilots are warned that bird concentrations in the vicinity of Mae Fah Luang-Chiang Rai International Airport.

2  DETAILS

It has been noted that both migratory and resident bird populations are frequently present in the vicinity of Mae Fah Luang-Chiang Rai International Airport, with their numbers fluctuating throughout the year. Notably, during the winter months (October to March), resident bird populations vary greatly in monthly presence.

2.1 Resident bird species that have potential hazard to aircraft are as follows:
SpeciesWeight (KG)Period
Plain Prinia0.007-0.008All year
Scaly-breasted Munia0.013-0.014All year
Purple Heron1.100All year
Grey Heron1.500All year
Zebra Dove0.049-0.060All year
Red Collared Dove0.100All year
Eastern Spotted Dove0.160All year
Black Drongo0.040-0.052All year
Barn Swallow0.015-0.018All year
Asian Openbill8.000All year
Rock Pigeon0.300All year
Pied Bushchat0.014-0.0150All year
Common Myna0.120All year
White-vented Myna0.115-0.120All year
Pale-rumped Swiftlet0.014All year
House Swift0.023All year
Ashy Woodswallow0.040All year
Lesser Whistling Duck0.500All year
Rufous-winged Buzzard0.340All year
Oriental Honey-buzzard1.300All year
Peregrine Falcon1.000All year (mostly in November-February)
Black-shouldered Kite0.300All year
2.2 Migratory bird species that have potential hazard to aircraft are as follows:
SpeciesWeight (KG)Period
Common Sandpiper0.040August-February
Richard's Pipit0.018-0.030October-April
Amur Stonechat0.013-0.015September-March
White Wagtail0.018-0.025October-February
Oriental Pratincole0.075March-September
Common Kestrel0.180November-February
Pied Harrier0.350October-March
Eastern Buzzard0.700October-February
Eastern Marsh Harrier0.750October-March
Black-eared Kite0.730November-March
2.3 Wildlife hazards management

Mae Fah Luang-Chiang Rai International Airport implements a variety of measures and activities aimed at mitigating wildlife hazards, primarily through environmental management strategies designed to reduce the attractiveness of the area to wildlife and ensure the safety of aircraft operations. These strategies include regular grass mowing, removal of aquatic weeds from drainage systems, the application of chemical agents to reduce bird food resources, as well as tree trimming and removal to diminish potential breeding and roosting sites for birds in airside.

2.4 Bird strike report

Pilots are essentially requested to report bird strikes to the General Manager of the airport via wildlife hazard control staff as follows:
Phone: +665 378 9164
E-mail: [email protected]

3  CONTACT

For further information contact via the following:

3.1 Unit: wildlife hazard control staff, Airside Operations Division of Mae Fah Luang-Chiang Rai International Airport.
Phone: +665 378 9164
E-mail: [email protected]
3.2 Unit: Aeronautical Information Service Sub-Division, Airside Operations Division of Mae Fah Luang-Chiang Rai International Airport.
Phone: +665 379 8165
E-mail: [email protected]

4  VALIDITY

This AIP Supplement will remain current until 27 May 2026 at 2359 UTC. Any changes to this AIP Supplement will be notified through NOTAM.