ENR 1.3   INSTRUMENT FLIGHTS RULES

1   Rules applicable to all IFR flights

1.1  Aircraft equipment

Aircraft shall be equipped with suitable instruments and with navigation equipment appropriate to the route to be flown.

1.2  Minimum levels
  1. Except when necessary for take-off or landing or when specifically authorized by the appropriate authority, an IFR flight shall be flown at a level that is not below the minimum flight altitude established by the Minister of MOLIT.

  2. The minimum obstacle clearance (MOC) over mountainous areas in the Incheon FIR shall be 600M(2 000FT). See GEN 3.3.5 for details.

1.3  Change from IFR flight to VFR flight

When an aircraft change the conduct of its flight from compliance with the instrument flight rules to compliance with the visual flight rules he shall notify the appropriate air traffic services unit specifically that the IFR flight is cancelled and communicate with DAEGU FIC to notify the changes to be made to its current flight plan. If the establishment of communicating with DAEGU FIC is not possible, the changes shall be informed by the adjacent ATS unit.

2   Rules applicable to all IFR flights within controlled airspace

2.1  IFR flights shall comply with the provisions of 3.6 of ICAO Annex 2 based upon Convention of International Civil Aviation when operated in controlled airspace.
2.2  An IFR flight operating in cruising flight in controlled airspace shall be flown at a cruising level selected from;
  1. the level indicated in air traffic control clearances or specified by the appropriate ATS authority, or

  2. the tables of cruising levels in Appendix 3 of ICAO Annex 2

3   Rules applicable to all IFR flights operating outside of controlled airspace

3.1  Cruising levels

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 the tables of cruising levels in Appendix 3 of ICAO Annex 2

3.2  Communications

An IFR flight operating outside of 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 monitor the appropriate radio frequency and establish two-way communication, as necessary, with the air traffic services unit providing flight information service.