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

AIP SUP

A 10/22

Effective from 01 APR 2022

to 30 JUN 2023

Published on 10 MAR 2022

  TEMPORARY INSTALLATION OF GROUND-BASED AUGMENTATION SYSTEM (GBAS) PROOF OF CONCEPT EQUIPMENT AT SUVARNABHUMI INTERNATIONAL AIRPORT (VTBS)

1  INTRODUCTION

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

1  With effect from 1 April 2022 at 0100 UTC to 30 June 2023 at 1000 UTC, the purpose of this AIP Supplement is to inform all concerned regarding the temporary installation of Ground-Based Augmentation System (GBAS) proof of concept equipment. This project is a part of a join technical collaboration between Japan (by the Ministry of Internal Affairs and Communications and the Ministry of Land, Infrastructure, Transport and Tourism) and Thailand (by the Civil Aviation Authority of Thailand). The main objective of this collaboration project is to install a GBAS equipment at Suvarnabhumi International Airport and conduct an experiment for the deployment of GBAS at low geomagnetic latitude area, of which the performance of GBAS is affected by the ionospheric irregularities (e.g. equatorial plasma bubble (EPB) and equatorial ionization anomaly (EIA)).

2  DETAILS OF EQUIPMENT

2.1  GBAS system consists of VHF Data Broadcast Transmitter (VDB) 1 unit, Data Processing Shelter 1 unit and Reference Receiver (RR) 3 units.

2.2  The distance of installed equipment is 870 - 1245 metres north of runway threshold 19R and 125 - 190 metres east of runway centre line 19R.

2.3  The maximum height of equipment is 62.34 feet (19 metres) above ground level (AGL) or 65.62 feet (20 metres) above mean sea level (AMSL), the details are shown in the table below.

No.

Equipment

Coordinates

(WGS-84)

Height

(AGL)

Altitude

(AMSL)

1

VDB pole

134251.31N 1004450.24E

62.34 FT

(19 M)

65.62 FT

(20 M)

2

Data Processing Shelter

134251.31N 1004450.24E

16.4 FT

(5 M)

19.68 FT

(6 M)

3

RR antenna - 1

134239.19N 1004447.37E

11.5 FT

(3.5 M)

14.76 FT

(4.5 M)

4

RR antenna - 2

134241.57N 1004449.66E

11.5 FT

(3.5 M)

14.76 FT

(4.5 M)

5

RR antenna - 3

134244.88N 1004448.87E

11.5 FT

(3.5 M)

14.76 FT

(4.5 M)

2.4  The area lay-out is shown in attachment A1 - A3.

3  MARKING AND LIGHTING

3  The equipment is painted in alternate bands of red and white and the obstacle lights are installed on the top of the equipment.

4  CONTACT

4  For further information contact via the following:

4.1  Unit: Air Navigation Services Standards Department of the Civil Aviation Authority of Thailand

Tel: +662 568 8825

Mobile: +666 3205 8825

E-mail: ans@caat.or.th

4.2  Unit: Aeronautical Information Service Sub-Division of Suvarnabhumi International Airport

Tel: +662 132 6931-4

Mobile: +666 2598 0608

E-mail: ais_vtbs@airportthai.co.th

5  VALIDITY

5  This AIP Supplement will remain current until 30 June 2023 at 1000 UTC. Any changes of this AIP Supplement will be notified by NOTAM.