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 52/25

Effective from 04 NOV 2025

to 06 NOV 2025

Published on 16 OCT 2025

  WARNING OF SKY LANTERN ACTIVITY IN THE VICINITY
OF MAE FAH LUANG-CHIANG RAI INTERNATIONAL AIRPORT (VTCT)

1  INTRODUCTION

With effect from 4 November 2025 at 0300 UTC to 6 November 2025 at 1800 UTC, the release of Sky Lantern activity will take place in the vicinity of the aerodrome during "Loy Krathong Festival 2025".

2  CAUTION

Sky Lanterns are released in a variety of heights. When released, it may drift a considerable distance from the point of release to unpredictable areas and heights that may affect aircraft operations. The release of Sky Lantern affects airspace within the vicinity of an aerodrome and may distract pilot during flight.

3  DETAILS

3.1 Date and Time period reference from Chiang Rai Provincial announcement as the following:
AREA OF ACTIVITY
(COORDINATE)		AIRPORT
AFFECTED		DATETIME PERIOD
(UTC)		REMARK
19 57 08N 099 52 59E
and in the vicinity of
Mae Fah Luang Chiang Rai
International Airport		VTCT4, 5, and 6
November 2025		0300 - 0500
and
1400 - 1800
daily		Date and Time
period reference
from Provincial
announcement.
3.2 Size of Sky Lantern
3.2.1 Diameter not exceeding 90 centimetres
3.2.2 Hight not exceeding 140 centimetres
3.2.3 Volume not exceeding 1 cubic metre
3.2.4 Combustion time not exceeding 8 minutes

4  CONTACT

For further information contact via the following:

4.1 Aeronautical Information Service Sub-Division, Airside Operations Division Mae Fah Luang-Chiang Rai International Airport. (AOT)

Tel: +665 379 8165 or +665 379 8000

E-mail: [email protected]

4.2 Chiang Rai Control Tower

Tel: +665 379 8230

AFTN: VTCTZTZX

5  VALIDITY

This AIP Supplement will remain current until 6 November 2025 at 1800 UTC. Any changes to this AIP Supplement will be notified through NOTAM.