1.1  The Aeronautical Information Services Authority is Civil Aviation Authority of Viet NamTORG_AUTH;TXT_NAME;1243.

1.2  Aeronautical Information Services provider in Viet Nam is Viet Nam Air Traffic Management CorporationTORG_AUTH;TXT_NAME;1319 (Viet Nam Aeronautical Information Centre TORG_AUTH;TXT_NAME;1388 – VNAICTORG_AUTH;CODE_ID;1388)

It consists of AIP Division; Division of Flight Procedure Design and- Cartography; International NOTAM Office (NOF); Aeronautical Database Center and ARO/AIS Centres as listed below.

The service is provided in accordance with the provisions contained in Annex 15 - ICAO Aeronautical Information Services.

AIS Viet Nam ensures the flow of information necessary for the safety, regularity and efficiency of national and international air navigation within the area of its responsibility as indicated under item 2 below.

1. Aeronautical Information Publication (AIP);

2. Amendment service to the AIP (AIP AMDT);

3. Supplement to the AIP (AIP SUP);

4. NOTAM and Pre-flight Information Bulletins (PIB);

5. Aeronautical Information Circulars (AIC); and

6. Checklists of valid NOTAM.

AIP Viet Nam is the basic aviation document intended primarily to satisfy international requirements for the exchange of permanent aeronautical information and long duration temporary changes essential for air navigation

AIP Viet Nam is published in five volumes.

AIP Viet Nam is published in a loose-leaf form with bilingual text (English and Vietnamese) for use in international and domestic operations, whether the flight is a commercial or a private one.

1. Volume 1: GEN, ENR

2. Volume 2,3,4,5: AD part of 22 international and domestic aerodromes

The Viet Nam AIP – Fifth edition shall be amended periodically 5 times/year with regular amendment cycle on: 28 FEB, 30 APR, 30 JUN, 31 AUG, 31 OCT annually and according to AIRAC cycles (if any).

Amendments to the AIP Viet Nam are made by means of replacement sheets. Two types of AIP AMDT are produced:

1. Regular AIP Amendment (AIP AMDT), issued in accordance with the established regular interval (ref. GEN 0.1-2, item 3.2), and identified by a cover sheet, which incorporates permanent changes into the AIP on the indicated publication date; and

2. AIRAC AIP Amendment (AIRAC AIP AMDT), issued in accordance with the AIRAC system and clearly identified by the acronym AIRAC on the cover sheet, which incorporates operationally significant permanent changes into the AIP on the indicated AIRAC effective date.

A brief description of the subjects affected by the amendment is given on the AIP Amendment cover sheet. New information included on the reprinted AIP pages is annotated or identified by either a vertical line of the change/addition or an arrow in the margins of the deletion.

Each AIP page and each AIP replacement page introduced by an amendment, including the amendment cover sheet, are dated. The date consists of the day, month (by name) and year of the publication date (regular AIP AMDT) or of the AIRAC effective date (AIRAC AIP AMDT) of the information.

Each AIP amendment cover sheet includes references to the serial number of those elements , if any, of the Intergrated Aeronautical Information Package which have been incorporated in the AIP by the amendment and are consequently cancelled.

Each AIP AMDT and each AIRAC AIP AMDT are allocated separate serial number which are consecutive and based on the calendar year. The year, indicated by two digits, is a part of the serial number of the amendment, e.g. AIP AMDT 01/11; AIRAC AIP AMDT 01/11.

A checklist of AIP pages containing page number/chart title and the publication or effective date (day, month by name and year) of the information is reissued with each amendment and is an integral part of the AIP.

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.

AIP Supplements were issued without type of series by Viet Nam. Each AIP SUP (regular or AIRAC) is allocated a serial number which is consecutively numbered and based on the calendar year basis.

An AIP Supplement is kept in the AIP as long as all or some of its 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 cancellation of the supplement.

The checklist of AIP Supplements currently in force is issued in the monthly checklist of valid NOTAM.

AIP Supplements are separated by information subject (General – GEN, En-route – ENR and Aerodromes – AD) and are placed accordingly at the beginning of each AIP Part. Supplements are published on yellow paper to be conspicuous and to stand out from the rest of the AIP.

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 significations/uniform abbreviated phraseology assigned to the ICAO NOTAM Code complemented by ICAO abbreviations, indicators, identifiers, designators, callsigns, frequencies, figures and plain language. Currently, Viet Nam’s NOTAM are originated and issued for Ha Noi and Ho Chi Minh FIRs and are distributed in three series identified by the letters A, C and J.

1. Series A - NOTAM containing full information on all aerodromes/heliports, facilities and procedures available for use in international civil aviation.

2. Series C - NOTAM containing information of concerned national flight operations and given national distribution only.

3. Series J - NOTAM containing information of concern to Receiver Autonomous Integrity Monitoring (RAIM) Prediction in Viet Nam and is given selected international and national distribution.

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 or advisory nature concerning technical, legislative or purely administrative matters.

Viet Nam AIC is distributed in blue colour for all subjects.

AIC are divided by subjects and are issued into series (A and C). AIC series A contain information affecting international civil aviation and is given international distribution. AIC series C contains information affecting national aviation only and is given national distribution. Each AIC is numbered consecutively within each series on a calendar year basis. The year, indicated by two digits, is a part of the serial number of the AIC, e.g. AIC A01/11; AIC C01/11.

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

A checklist of valid NOTAM is issued monthly via AFS. It contains a plain language (in English) presentation of the valid NOTAM and information about the latest AIP amendment, checklist of AIP supplements an AICs.

NOTAM is received from and sent to NOF as table here under:

See GEN 3.2 for more details

The address of the AIP is given in item 1.3, GEN 3.1.