ENR 1.3  INSTRUMENT FLIGHT RULES

1  Application

1.1 For flights within controlled airspace, the following Rules of the Rules of the Air, Schedule 14 to the Air Navigation (Hong Kong) Order 1995, shall be applicable : Rules 25, 27 and 28.
1.2 For flights outside controlled airspace, the following Rules of the Rules of the Air, Schedule 14 to the Air Navigation (Hong Kong) Order 1995, shall be applicable : Rules 25 and 26.
1.3 All flights within controlled airspace, notified for the purposes of Rule 21 of the Rules of the Air, Schedule 14 to the Air Navigation (Hong Kong) Order 1995, are subject to Instrument Flight Rules in all weather conditions.
1.4 An aircraft flying at night shall be flown in accordance with the Instrument Flight Rules unless ATC authorise a Special VFR flight in accordance with special instructions.

2  Notification of Controlled Airspace

2.1 The Terminal Control Area (TMA) from 8 000 ft AMSL to unlimited as defined in ENR 2.1 and all ATS Routes and PBN Routes as defined in ENR 3.1 and ENR 3.3 respectively, are hereby notified for the purpose of Rule 21 of Schedule 14 to the Air Navigation (Hong Kong) Order 1995.