4.
IFR flights shall comply with the provisions of 3.6 of ICAO Annex 2 to the Convention on International Civil Aviation when operated in controlled airspace.

5.
An IFR flight operating in cruising flight in controlled airspace shall be flown at a cruising level, or, if authorized to employ cruise climb techniques, between two levels or above a level, selected from:

a.
The tables of cruising levels in Appendix 3 of ICAO Annex 2, or

b.
A modified table of cruising levels, when so prescribed in accordance with Appendix 3 of ICAO Annex 2 for flight above FL410. Except that the correlation of levels to track prescribed

therein shall not apply whenever otherwise indicated in air traffic control clearances or specified by the appropriate ATS authority in the Aeronautical Information Publication.
6. An IFR flight operating in level cruising flight outside of controlled airspace shall be flown at a cruising level appropriate to its track as specified in:
a.
The tables of cruising levels in Appendix 3 of ICAO Annex 2, except when otherwise specified by the appropriate ATS authority for flight at or below 900 M (300’) above mean sea level; or

b.
A modified table of cruising levels, when so prescribed in accordance with Appendix 3 of ICAO Annex 2 for flight above FL410.

NOTE:  This provision does not preclude the use of cruise climb techniques by aircraft in supersonic flight.
7.
An IFR flight operating outside controlled airspace but within or into areas, or along routes, designated by the appropriate ATS authority in accordance with 3.3.1.2 c) or d) of ICAO Annex 2 shall maintain a listening watch on the appropriate radio frequency and establish two-way communication, as necessary, with the air traffic services unit providing flight information service.

8.
An IFR flight operating outside controlled airspace and required by the appropriate ATS authority to:

a. Submit a flight plan, and
b.
Maintain a listening watch on the appropriate radio frequency and establish two-way communication, as necessary, with the air traffic services unit providing flight information service.

c.
Shall report position as specified in 3.6.3 of ICAO Annex 2 for controlled flights.

NOTE:  Aircraft electing to use the air traffic advisory service while operating IFR within specified advisory airspace are expected to comply with the provisions of 3.6 of ICAO Annex 2, except that the flight plan and changes thereto are not subjected to clearances and that two-way communication will be maintained with the unit providing the air traffic advisory service.
(SPEC/ENR 1.3-1)

RVSM RULES -Standard.
(AFFSA/AFFSA FIL 04-657)

FLIGHT PLANNING

1. The levels at which a flight is to be conducted shall be specified in a flight plan:
a.
In terms of flight levels if the flight is to be conducted at or above the transition level, and
　
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