3.3.1  AIP Amendments may contain both AIRAC and Non-AIRAC changes (paragraphs 3.3.2., 3.3.3 and 3.3.4 refer). The HTML will be updated to a specified AIRAC publication date in AIS website.

3.3.2  The AIRAC Amendment (AIRAC AIP AMDT) is used to provide advance notice of the introduction of permanent operationally significant changes on an internationally recognized AIRAC effective date and do not replace the existing AIP pages until the effective date on which the changes take place.

3.3.3  Non-AIRAC Amendments (AIP AMDT) to the AIP comprise permanent operationally significant changes that have received previous notification by NOTAM and other permanent information that is not required to be announced by NOTAM. Non-AIRAC changes to the AIP are published together with AIRAC changes and may be considered to be effective on recognized AIRAC effective date, unless otherwise indicated. AIP pages (AIRAC and Non-AIRAC) should not be replaced before the stated AIRAC effective date.

3.3.4  A brief description of the subjects affected by the amendment, NOTAM and permanent AIP Supplements that have been incorporated is given on the AIP Amendment cover sheet. New and replacement information included on the reprinted AIP pages is annotated or identified by a vertical line and horizontal line for remove of information in the outer margin of the page at the appropriate place.

3.3.5  Each AIP page is dated to reflect the AIRAC AIP AMDT or AIP AMDT effective date and a complete checklist of AIP pages, relating page reference to date, is reissued with each amendment as AIP section GEN 0.4.

3.3.6  Each combined AIP amendment is allocated an AIRAC Cycle serial number that is consecutive and based on the calendar year. The year, indicated by two digits, is a part of the serial number of the amendment, eg. AIRAC AIP AMDT 1/18

3.3.7   If there is no information for publication in an AIP Amendment on an AIRAC effective date, the Amendment shall be issued with a ‘NIL’ notification.

3.4.1  Temporary changes of long duration (three months and longer) and information of short duration which consists of extensive text and/or graphics, supplementing the permanent information contained in the AIP, are published as AIP Supplements (AIP SUP). Operationally significant temporary changes to the AIP are published in accordance with the AIRAC system and its established effective dates and are identified clearly by the acronym AIRAC AIP SUP. Each AIP Supplement (regular or AIRAC) is assigned a serial number, that is consecutive and based on the calendar year. The year, indicated by two digits, is a part of the serial number of each supplement, eg. AIP SUP A1/18 or AIRAC AIP SUP A1/18.

3.4.2  AIP Supplement is issued in two series as follows:-

Series A - Containing information concerning facilities, services and procedures of interest to international civil aviation, and given general international distribution;

Series B - Containing information of concern only to aircraft other than those engaged in international civil aviation, and given national distribution only.

3.4.3  AIP Supplements are available in HTML and CD-ROM, which are normally issued and published in website on a specified AIRAC publication date recognized in AIRAC cycle which is interval every 28 days. For the necessary, AIP Supplements may be published less than 28 days.

3.4.4  AIP Supplements are to be kept in the AIP for as long as all or some of their contents remain valid. The period of validity of the information contained in the AIP Supplement will normally be given in the supplement itself. Alternatively, NOTAM may be used to indicate changes to the period of validity or to advise of the cancellation of an AIP Supplement.

3.4.5  A checklist of AIP Supplement currently in force is issued every month through the Printed plain-language list of valid NOTAM.

3.5.1  The Aeronautical Information Circulars (AIC) contain information on the long-term forecast of any major change in legislation, regulations, procedures or facilities; information of a purely explanatory or advisory nature liable to affect flight safety; and information or notification of an explanatory of advisory nature concerning technical, legislative or purely administrative matters.

3.5.2  AICs are available in HTML and CD-ROM, which are normally issued and published in website on a specified AIRAC publication date recognized in AIRAC cycle which is interval every 28 days. For the necessary, AIC may be published less than 28 days.

3.5.3  Each AIC is assigned a serial number, that is consecutive and based on the calendar year. The year, indicated by two digits, is a part of the serial number of each supplement, eg. AIC 1/18.

3.5.4  A checklist of AIC currently in force is issued once in a year.

3.6.1  NOTAM contain information concerning the establishment, condition or change in any aeronautical facility, service, procedure or hazard, the timely knowledge of which is essential for personnel concerned with flight operations. The text of each NOTAM contains the information in the order shown in the ICAO NOTAM Format and is composed of the signification/uniform abbreviated phraseology assigned to the ICAO NOTAM Code complemented by ICAO abbreviations, indicators, identifiers, designators, call signs, frequencies, figures and plain language. NOTAM are originated and issued for BangkokTAIRSPACE;CODE_ID;114 FIRTAIRSPACE;CODE_TYPE;114 and are distributed in five series identified by the letters A, C, J, H and G as follows:

3.6.2  Each NOTAM is assigned a serial number preceded by the appropriate letter indicating the series. The serial numbers start with NR 0001 at 0000 UTC on 1 January every year. A checklist of NOTAM currently in force is issued every month over the AFTN, and in addition, a printed plain language summary of their substance is sent by airmail to those who had originally received the NOTAM over the AFTN, as well as to others on request.

3.6.3  NOTAM are published as and when necessary to disseminate information of direct operational significance which:-

3.6.4  Each NOTAM is given a serial number, a new series being established for each calendar year. A checklist of NOTAM currently in force is issued at the beginning of each month

3.6.5  NOTAM are exchanged between Bangkok NOF and other NOTAM Offices as follows:

3.8.1   Most AIS publications are available in HTML. The AIP, AIP SUPs and AICs may be obtained from the CD-ROM and, in addition, these documents feature on the AIS Web site https://ais.caat.or.thTONLINE_CONTACT;TXT_PROTOCOL;725/

3.8.2  All subscription or purchase requests and enquiries regarding the supply of AIS publications (CD-ROM version) are available on https://ais.caat.or.thTONLINE_CONTACT;TXT_PROTOCOL;725/

3.8.3  Details and prices of AIS publications are available in AIS website.

4.2.1  Limits (horizontal and vertical), regulations and procedures applicable to:

1. flight information regions;

2. control areas;

3. control zones;

4. advisory areas;

5. ATS routes;

6. permanent danger, prohibited and restricted areas (including type and periods of activity when known) and ADIZ;

7. permanent areas or routes or portions thereof where the possibility of interception exists;

4.2.2  Positions, frequencies, call signs, identifiers, known irregularities and maintenance periods of radio navigation aids, and communication and surveillance facilities.

4.2.3  Holding and approach procedures, arrival and departure procedures, noise abatement procedures and any other pertinent ATS procedures.

4.2.4  Transition levels, transition altitudes and minimum sector altitudes.

4.2.5  Meteorological facilities (including broadcasts) and procedures.

4.2.6  Runways and stopways.

4.2.7  Taxiways and aprons.

4.2.8   Aerodrome ground operating procedures (including low visibility procedures).

4.2.9  Approach and runway lighting.

4.2.10  Aerodrome operating minima if published by a State.

4.3.1  Position, height and lighting of navigational obstacles.

4.3.2  Hours of service of aerodromes, facilities and services.

4.3.3  Customs, immigration and health services.

4.3.4  Temporary danger, prohibited and restricted areas and navigational hazards, military exercises and mass movements of aircraft.

4.3.5  Temporary areas or routes or portions thereof where the possibility of interception exists.

4.4.1  New aerodromes for international IFR operations.

4.4.2  New runways for IFR operations at international aerodromes.

4.4.3  Design and structure of the air traffic services route network

4.4.4  Design and structure of a set of terminal procedures (including change of procedure bearings due to magnetic variation change).

4.4.5  Circumstances listed in Part 1 if the entire State or any significant portion thereof is affected or if cross-border coordination is required.