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The Air Navigation Order 2000

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Article 15

SCHEDULE 5Radio and radio navigation equipment to be carried in aircraft

1  Every aircraft shall be provided, when flying in the circumstances specified in the first column of the Table set forth in paragraph 2 of this Schedule, with the scales of equipment respectively indicated in that Table:

Provided that, if the aircraft is flying in a combination of such circumstances the scales of equipment shall not on that account be required to be duplicated.

2  Table

Aircraft and circumstances of flightScale of equipment required
ABCDEFGHJ
*

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

ACDH

(ii)on all other occasions

ACH

(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

AB

(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

3  The scales of radio and radio navigation equipment indicated in the foregoing Table shall be as follows:

  • Scale A

    Radio equipment capable of maintaining direct two-way communication with the appropriate aeronautical radio stations.

  • Scale B

    Radio navigation equipment capable of enabling the aircraft to be navigated on the intended route including such equipment as may be prescribed.

  • Scale C

    Radio equipment capable of receiving from the appropriate aeronautical radio stations meteorological broadcasts relevant to the intended flight.

  • Scale D

    Radio navigation equipment capable of receiving signals from one or more aeronautical radio stations on the surface to enable the aircraft to be guided to a point from which a visual landing can be made at the aerodrome at which the aircraft is to land.

  • Scale E

    Secondary surveillance radar equipment.

  • Scale F

    Radio and radio navigation equipment capable of enabling the aircraft to be navigated along the intended route including:

    (i)

    automatic direction finding equipment;

    (ii)

    distance measuring equipment; and

    (iii)

    VHF omni-range equipment.

  • Scale G

    Radio navigation equipment capable of enabling the aircraft to make an approach to landing using the Instrument Landing System.

  • Scale H

    (i)

    Subject to paragraph (ii), radio navigation equipment capable of enabling the aircraft to be navigated on the intended route including:

    (a)

    automatic direction finding equipment;

    (b)

    distance measuring equipment;

    (c)

    duplicated VHF omni-range equipment; and

    (d)

    a 75 MHz marker beacon receiver.

    (ii)
    (a)

    An aircraft may fly notwithstanding that it does not carry the equipment specified in this Scale if it carries alternative radio navigation equipment or navigational equipment approved by the CAA in writing in accordance with the provisions of article 14(7) of this Order.

    (b)

    Where not more than one item of equipment specified in this Scale is unserviceable when the aircraft is about to begin a flight, the aircraft may nevertheless take off on that flight if:

    (aa)

    it is not reasonably practicable for the repair or replacement of that item to be carried out before the beginning of the flight;

    (bb)

    the aircraft has not made more than one flight since the item was last serviceable; and

    (cc)

    the commander of the aircraft has satisfied himself that, taking into account the latest information available as to the route and aerodrome to be used (including any planned diversion) and the weather conditions likely to be encountered, the flight can be made safely and in accordance with any relevant requirements of the appropriate air traffic control unit.

  • Scale J

    An airborne collision avoidance system.

4  In this Schedule:

(1) ‘Automatic direction finding equipment’ means radio navigation equipment which automatically indicates the bearing of any radio station transmitting the signals received by such equipment;

(2) ‘VHF omni-range equipment’ means radio navigation equipment capable of giving visual indications of bearings of the aircraft by means of signals received from very high frequency omni-directional radio ranges;

(3) ‘Distance measuring equipment’ means radio equipment capable of providing a continuous indication of the aircraft’s distance from the appropriate aeronautical radio stations;

(4) ‘Secondary surveillance radar equipment’ means such type of radio equipment as may be notified as being capable of (a) replying to an interrogation from secondary surveillance radar units on the surface and (b) being operated in accordance with such instructions as may be given to the aircraft by the appropriate air traffic control unit;

(5) ‘Airborne collision avoidance system’ means an aeroplane system which conforms to requirements prescribed for the purpose; is based on secondary surveillance radar transponder signals; operates independently of ground based equipment and which is designed to provide advice and appropriate avoidance manoeuvres to the pilot in relation to other aeroplanes which are equipped with secondary surveillance radar and are in undue proximity.

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