Contact

The Civil Aviation Authority of Thailand
Aeronautical Information Service Department
333/105 Lak Si Plaza, Khamphaeng Phet 6 Rd.
Talat Bang Khen, Lak Si, Bangkok 10210, Thailand

Tel: +662 568 8831

Fax: +662 576 1903

AFS: VTBAYOYX

E-mail: aisthai@caat.or.th

E-mail: ais@caat.or.th

AIP Supplement for Thailand

AIRAC AIP SUP

A 12/22

Effective from 21 APR 2022

to 16 JUN 2022

Published on 10 MAR 2022

REVISED TEMPORARY WITHDRAWAL OF TRAT NDB/DME (TRT)

1 INTRODUCTION

This section supplements the following portion(s) of the AIP: AD

1 With effect from 21 April 2022 at 0000 UTC to 15 June 2022 at 2359 UTC, temporary withdrawal of TRAT NDB/DME (TRT) details are as follows.

2 THE PERIOD OF TEMPORARY WITHDRAWAL

2 TRT NDB/DME will be temporarily withdrawn from 21 April 2022 at 0000 UTC to 15 June 2022 at 2359 UTC.

3 FLIGHT PROCEDURE

3 Temporary reporting point name ARONE (121628.10N 1021850.08E) will be established at the same coordinate of TRAT NDB/DME (TRT) for ATS route W33 due to TRAT NDB/DME (TRT) under withdrawal until resume normal operation.

To maintain efficiency of ATS during TRAT NDB/DME (TRT) under withdrawal, conventional ATS route W33 between RAYONG DVOR/DME (RYN) to SURIX will be temporary upgraded to RNAV 2 navigation specifications.

4 FLIGHT PLANNING PROCEDURES

4 Flight planning procedures for Non-RNAV 2 capacity aircraft shall file flight plan as follows;

DEPARTURE/OVERFLY	ROUTING	DESTINATION/OVERFLY
VTBD/VTBS/BKK	N891 RYN DCT	VTBO/ARONE
VTBO/ARONE	DCT RYN N891	BKK
	DCT RYN DCT SEHNA	VTBD
	DCT RYN DCT DOLNI	VTBS
	DCT SURIX W33	VTSM/SMU
VTSM/SMU	W33 SURIX DCT	VTBO/ARONE

Remark: Aircraft may request radar vectoring or suggestion from ATC.

All aircraft shall be equipped with a functional surveillance transponder.

5 CONTACT AND INFORMATION

5 – Air Traffic Navigation Systems Engineering Department, Aeronautical Radio of Thailand Ltd.

– E-mail: isaraporn.p.p@gmail.com

6 VALIDITY

6 This AIRAC AIP Supplement superseded AIRAC AIP Supplement A06/22 and will remain current until 15 June 2022 at 2359 UTC. Any changes to this AIRAC AIP supplement will be notified through NOTAM.