# The Air Navigation (Carbon Offsetting and Reduction Scheme for International Aviation) Order 2021, Paragraph 2: Use of the CERT for complying with monitoring and reporting requirements

Extent: E+W+S+N.I.

(1) The aeroplane operator must use the CERT according to the eligibility criteria as described in article 22 of this Order and upon approval by the Regulator.
(2) The aeroplane operator must use either—
(a) the Block Time input method, or
(b) the Great Circle Distance input method,
to enter the necessary information into the CERT.
(3) The aeroplane operator approved to use the Block Time input method—
(a) must collect the following data and must enter it into the CERT to estimate its CO2 emissions during the compliance year—
(i) ICAO aircraft type - model designator,
(ii) origin aerodrome ICAO Designator,
(iii) destination aerodrome ICAO Designator,
(iv) Block Time (in hours), and
(v) number of flights,
(b) may collect the following data and, if collected, must enter it into the CERT to estimate its CO2 emissions during the compliance year—
(i) date, and
(ii) flight ID.
(4) The aeroplane operator approved to use the Great Circle Distance input method—
(a) must collect the following data and must enter it into the CERT to estimate its CO2 emissions during the compliance year—
(i) ICAO aircraft type - model designator,
(ii) origin aerodrome,
(iii) destination aerodrome, and
(iv) number of flights,
(b) may collect the following data and, if collected, must enter it into the CERT to estimate its CO2 emissions during the compliance year—
(i) date, and
(ii) flight ID.

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Source: https://www.legislation.gov.uk/uksi/2021/534/schedule/3/paragraph/2 (the official version)
Page: https://openlegislation.uk/air-navigation-carbon-offsetting-and-reduction-scheme-for-international-aviation-order-2021/schedule-3/paragraph-2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.