The Air Navigation Order 2000

2  Table

Aircraft and circumstances of flight	Scale of equipment required
	A	B	C	D	E	F	G	H	J
* Unless the appropriate air traffic control unit otherwise permits in relation to the particular flight and provided that the aircraft complies with any instructions which the air traffic control unit may give in the particular case.
# Provided that non-public transport aircraft flying in Class D and E airspace shall not be required to be provided with distance measuring equipment.
(1) All aircraft (other than gliders) within the United Kingdom: (a) when flying under Instrument Flight Rules within controlled airspace	A*				E*	F*#
(b) when flying within controlled airspace	A*
(c) when making an approach to landing at an aerodrome notified for the purpose of this sub-paragraph							G*
(2) All aircraft within the United Kingdom: (a) when flying at or above flight level 245	A*
(b) when flying within airspace notified for the purposes of this sub-paragraph	A*
(3) All aircraft (other than gliders) within the United Kingdom: (a) when flying at or above flight level 245					E*	F*
(b) when flying within airspace notified for the purpose of this sub-paragraph					E*
(c) when flying at or above flight level 100					E*
(4) All aircraft registered in the United Kingdom, wherever they may be: (a) when flying for the purpose of public transport under Instrument Flight Rules: (i) while making an approach to landing	A		C	D				H
(ii) on all other occasions	A		C					H
(b) subject to sub-paragraph (d), multi-engined aircraft when flying for the purpose of public transport under Visual Flight Rules
(c) subject to sub-paragraph (d), single-engined aircraft when flying for the purpose of public transport under Visual Flight Rules: (i) over a route on which navigation is effected solely by visual reference to landmarks	A
(ii) on all other occasions	A	B
(d) when flying under Instrument Flight Rules within controlled airspace and not required to comply with paragraph (4)(a) above	A*
(5) All aeroplanes registered in the United Kingdom, wherever they may be, and all aeroplanes wherever registered when flying in the United Kingdom, powered by one or more turbine jets or turbine propeller engines and either having a maximum take-off weight exceeding 15,000 kg or which in accordance with the certificate of airworthiness in force in respect thereof may carry more than 30 passengers									J