INTRODUCTION

This AIC serves as Notice of Intent to implement Reduced Vertical Separation Minimum (RVSM) in the Bangkok FIR on 27 November 2003.

  CONTENT

Reduced Vertical Separation Minimum (RVSM) is vertical separation of aircraft by 1,000 ft. above FL290. By 1 October 2003, operators should have received RVSM aircraft (airworthiness) and operational approval from the appropriate State authority. Operator/aircraft approval by 1 October 2003 will enable air traffic to plan for orderly RVSM implementation.

Starting 27 November 2003, only RVSM compliant aircraft will be cleared to operate in the Bangkok FIR between FL290 and FL410 (inclusive). Aircraft that are not RVSM compliant (e.g., ferry and maintenance flights) will only be cleared to operate in Bangkok FIR between FL290 and FL410 (inclusive) after prior coordination with the appropriate Center. 2,000 ft. vertical separation will be applied to such aircraft. Bangkok FIR Center contacts will be published on web sites and in follow-up NOTAMs.

RVSM will be implemented in the Bangkok FIR in accordance with ICAO regional agreements. ICAO recommends that State authorities and operators use FAA Interim Guidance 91-RVSM (as amended), joint Airworthiness Authorities Temporary Guidance Leaflet 6 or equivalent State documents as the basis for approving aircraft and operator programs for RVSM. Current information and RVSM approval documents, including revisions, can be found on the web site maintained by the FAA on behalf of the ICAO Asia/Pacific RVSM Implementation Group and on Individual State web sites. To access the FAA RVSM web site, type:

http:/www.faa.gov/ats/ato/rvsml.htm

http:/www.aerothai.or.th/marr

The RVSM Documentation section of the FAA web site contains guidance on aircraft/operator approval. Operators must begin coordination with the appropriate State authority as soon as possible to ensure that they are approved to begin RVSM operations on 27 November 2003.

  FOR FURTHER INFORMATION PLEASE CONTACT

For questions on the aircraft and operator approval process, the following contacts may be used:

  VALIDITY

This AIC serves will cancelled AIC1/01 dated 8 March 2001, and will remain curent UFN.