# The Rules of the Air Regulations 1991, Paragraph 28


The Instrument Flight Rules shall be as follows:
(a) Within controlled airspace:
In relation to flights within controlled airspace rules 29, 31 and 32 shall apply.
(b) Outside controlled airspace:
In relation to flights outside controlled airspace rules 29 and 30 shall apply.

---
Source: https://www.legislation.gov.uk/uksi/1991/2437/schedule/crossheading/instrument-flight-rulesn2/paragraph/28 (the official version)
Page: https://openlegislation.uk/rules-of-the-air-regulations-1991/schedule/crossheading-instrument-flight-rulesn2/paragraph-28
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.