The aerodrome operator shall as appropriate:
determine, document and maintain data relevant to the aerodrome and available services;
provide data relevant to the aerodrome and available services to the users and the relevant air traffic services and aeronautical information services providers.
The aerodrome operator shall have formal arrangements with the organisations with which it exchanges aeronautical data or aeronautical information and shall ensure the following:
(a)all data relevant to the aerodrome and available services is provided with the required quality;
(b)data quality requirements (DQRs) are complied with at data origination and maintained during data transmission;
(c)the accuracy of aeronautical data is as specified in the aeronautical data catalogue;
(d)the integrity of aeronautical data is maintained throughout the data process from origination to transmission, based on the integrity classification specified in the aeronautical data catalogue;
(e)procedures are put in place so that:
(1) for routine data as defined in ICAO PANS-AIM (Doc 10066), corruption is avoided throughout the processing of the data;
(2) for essential data as defined in ICAO PANS-AIM, corruption does not occur at any stage of the entire process and additional processes are included, as needed, to address potential risks in the overall system architecture to ensure data integrity at that level;
(3) for critical data as defined in ICAO PANS-AIM, corruption does not occur at any stage of the entire process and additional integrity assurance processes are included to fully mitigate the effects of faults identified by thorough analysis of the overall system architecture as potential data integrity risks;
(f)the resolution of the aeronautical data is commensurate with the actual data accuracy;
(g)the traceability of the aeronautical data;
(h)the timeliness of the aeronautical data, including any limits on the effective period;
(i)the completeness of the aeronautical data;
(j)the format of the delivered data meets the specified requirements.]
Textual Amendments
F1Annex 4 point ADR.OPS.A.010 substituted (27.1.2022) by The Aviation Safety (Amendment) (No. 3) Regulations 2021 (S.I. 2021/1203), regs. 1(3), 15(2)
information on the aerodrome conditions, disabled aircraft removal, rescue and firefighting and visual approach slope indicator systems;
the operational status of associated facilities, services and navigational aids at the aerodrome;
any other information considered to be of operational significance.
For the purpose of air navigation, the aerodrome operator shall use:
(a)the World Geodetic System – 1984 (WGS-84) as the horizontal reference system;
(b)the mean sea level (MSL) datum as the vertical reference system;
(c)the Gregorian calendar and coordinated universal time (UTC) as the temporal reference systems.
Textual Amendments
F2Annex 4 points ADR.OPS.A.020-ADR.OPS.A.055 inserted (27.1.2022) by The Aviation Safety (Amendment) (No. 3) Regulations 2021 (S.I. 2021/1203), regs. 1(3), 15(3)
When originating, processing or transmitting data to the aeronautical information service (AIS) provider, the aerodrome operator shall:
(a)ensure that digital data error detection techniques are used during the transmission and storage of aeronautical data, in order to support the applicable data integrity levels;
(b)ensure that the transfer of aeronautical data is subject to a suitable authentication process such that recipients are able to confirm that the data or information has been transmitted by an authorised source.
When originating, processing or transmitting data to the AIS provider, the aerodrome operator shall ensure that the aeronautical data conforms with the ‘Aeronautical Data Catalogue’ referred to in ICAO PANS-AIM (Doc 10066).
When originating, processing or transmitting data to the AIS provider, the aerodrome operator shall ensure that validation and verification techniques are employed so that the aeronautical data meets the associated DQRs. In addition:
(a)the verification shall ensure that the aeronautical data is received without corruption and that the aeronautical data process does not introduce corruption;
(b)aeronautical data and aeronautical information entered manually shall be subject to independent verification to detect any errors that may have been introduced;
(c)when using aeronautical data to obtain or calculate new aeronautical data, the initial data shall be verified and validated, except when provided by an authoritative source.
The aerodrome operator shall ensure that:
(a)errors identified during data origination and after data delivery are addressed, corrected or resolved;
(b)priority is given to managing errors in critical and essential aeronautical data.
The aerodrome operator shall ensure that metadata include, as a minimum:
(a)the identification of the organisations or entities performing any action of originating, transmitting or manipulating the aeronautical data;
(b)the action performed;
(c)the date and time the action was performed.
The aerodrome operator shall ensure that aeronautical data is transmitted by electronic means.
When originating, processing or transmitting aeronautical data to the AIS provider, the aerodrome operator shall ensure that tools and software used to support or automate aeronautical data processes perform their functions without adversely impacting the quality of the aeronautical data.]
(1) establish and implement procedures in accordance with which it originates a NOTAM issued by the relevant aeronautical information services provider that contains either or both of the following:
(i) information on the establishment, condition, or change of any aeronautical facility, service, procedure or hazard, the timely knowledge of which is essential to personnel involved with flight operations;
(ii) information of a temporary nature and of short duration or that concerns operationally significant permanent changes or temporary changes of long duration (three months or longer) that are made at short notice, except for extensive text or graphics;
(2) designate aerodrome personnel, who have successfully completed relevant training and demonstrated their competence, to originate NOTAM and provide relevant information to the aeronautical information service providers with which it has arrangements;
(3) ensure that all other aerodrome personnel whose duties involve the use of NOTAM have successfully completed relevant training and demonstrated their competence to do so.
(1) establishment of, closure of, or significant changes in the operation of aerodromes or heliports or runways;
(2) establishment of, withdrawal of, or significant changes in the operation of the aerodrome services;
(3) establishment of, withdrawal of, or significant changes in the operational capability of radio navigation and air-ground communication services for which the aerodrome operator is responsible;
(4) unavailability of backup and secondary systems, having a direct operational impact;
(5) establishment of, withdrawal of, or significant changes to visual aids;
(6) interruption of, or return to operation of, major components of aerodrome lighting systems;
(7) establishment of, withdrawal of, or significant changes to procedures for air navigation services for which the aerodrome operator is responsible;
(8) occurrence or correction of major defects or impediments in the manoeuvring area;
(9) changes to, and limitations on, the availability of fuel, oil and oxygen;
(10) establishment of, withdrawal of, or return to, operation of hazard beacons marking obstacles to air navigation;
(11) planned laser emissions, laser displays and search lights in the aerodrome surroundings, if pilots’ night vision is likely to be impaired;
(12) erecting or removal of, or changes to, obstacles to air navigation in the take-off, climb, missed approach, approach areas, as well as on the runway strip;
(13) changes in aerodrome or heliport rescue and firefighting category;
(14) presence of, removal of, or significant changes in, hazardous conditions due to snow, slush, ice, radioactive material, toxic chemicals, volcanic ash deposition or water on the movement area;
(15) presence of a runway or portion of a runway which is slippery wet;
(16) presence of a runway which is not available due to runway marking works; or information about the time lag required for making the runway available, if the equipment used for such works can be removed, when necessary;
(17) presence of hazards that affect air navigation, including presence of wildlife, obstacles, displays and major events.
(1) a NOTAM is originated with sufficient lead time for the affected parties to take any required action, except in the case of unserviceability, release of radioactive material, toxic chemicals and other events that cannot be foreseen;
(2) a NOTAM notifying unserviceability of associated facilities, services and navigation aids at the aerodrome, provides an estimate of the unserviceability period or of the time at which restoration of service is expected;
(3) within three months from the issuance of a permanent NOTAM, the information contained in the NOTAM is included in the aeronautical information products affected;
(4) within three months from the issuance of a temporary NOTAM of long duration (three months or longer), the information contained in the NOTAM is included in an AIP supplement;
(5) when a NOTAM with an estimated end of validity unexpectedly exceeds the three-month period, a replacement NOTAM is originated unless the condition is expected to last for a further period of more than three months; in that case, the aerodrome operator shall ensure that the information is published in an AIP supplement.
(1) except as provided for in point (d)(4), each NOTAM it originates contains the applicable information in the order shown in the NOTAM format set out in ICAO PANS-AIM (Doc 10066);
(2) NOTAM text is composed of the significations or uniform abbreviated phraseology assigned to the ICAO NOTAM Code, complemented by ICAO abbreviations, indicators, identifiers, designators, call signs, frequencies, figures and plain language;
(3) NOTAM is originated in the English language or the national language, as agreed with the relevant aeronautical information services provider;
(4) information concerning snow, slush, ice, frost, standing water or water associated with snow, slush, ice or frost on the movement area is disseminated by means of SNOWTAM and contains the information in the order shown in the SNOWTAM format in ICAO PANS-AIM (Doc 10066);
(5) when an error has occurred in a NOTAM, a NOTAM with a new number is originated to replace the erroneous NOTAM or the erroneous NOTAM is cancelled and a new NOTAM is originated;
(6) when a NOTAM is originated to cancel or replace a previous NOTAM:
(i) the series and number/year of the previous NOTAM are indicated;
(ii) the Location Indicators and subject of both NOTAM are the same;
(7) only one NOTAM is cancelled or replaced by a new NOTAM;
(8) each originated NOTAM deals with only one subject and one condition of the subject;
(9) each originated NOTAM is as brief as possible and compiled so that its meaning is clear without the need to refer to another document;
(10) an originated NOTAM containing permanent or temporary information of long duration (three months or longer) includes appropriate references to the AIP or AIP supplement;
(11) the ICAO Location Indicator included in the text of an originated NOTAM for the aerodrome is the one contained in the Location Indicators. A curtailed form of such indicators shall not be used.
(1) of the NOTAM it originated and those that were issued;
(2) regarding the implementation of points (a)(2) and (3).
Textual Amendments
F3Annex 4 points ADR.OPS.A.057-ADR.OPS.A.065 inserted (20.11.2021) by The Aviation Safety (Amendment) (No. 3) Regulations 2021 (S.I. 2021/1203), regs. 1(2), 15(4)
The aerodrome operator shall report to the aeronautical information services and air traffic services units on matters of operational significance affecting aircraft and aerodrome operations on the movement area, particularly in respect of the presence of the following:
(a)water;
(b)snow;
(c)slush;
(d)ice;
(e)frost;
(f)anti-icing or de-icing liquid chemicals or other contaminants;
(g)snowbanks or drifts.
COMPACTED SNOW;
DRY;
DRY SNOW;
DRY SNOW ON TOP OF COMPACTED SNOW;
DRY SNOW ON TOP OF ICE;
FROST;
ICE;
SLUSH;
STANDING WATER;
WATER ON TOP OF COMPACTED SNOW;
WET;
WET ICE;
WET SNOW;
WET SNOW ON TOP OF COMPACTED SNOW;
WET SNOW ON TOP OF ICE.
The services under Subpart B of this Annex shall be provided at the aerodrome by the aerodrome operator directly or indirectly.
The aerodrome operator shall have and implement an aerodrome emergency plan that:
is commensurate with the aircraft operations and other activities conducted at the aerodrome;
provides for the coordination of appropriate organisations in response to an emergency occurring at an aerodrome or in its surroundings; and
contains procedures for periodic testing of the adequacy of the plan and for reviewing the results in order to improve its effectiveness.
aerodrome rescue and firefighting facilities, equipment and services are provided;
adequate equipment, fire extinguishing agents and sufficient personnel are available in a timely manner;
rescue and firefighting personnel are properly trained, equipped and qualified to operate in the aerodrome environment; and
rescue and firefighting personnel potentially required to act in aviation emergencies demonstrate their medical fitness to execute their functions satisfactorily, taking into account the type of activity.
adequately qualified and experienced instructors and assessors for the implementation of the training programme are used; and
suitable facilities and means are used for the provision of the training.
maintain appropriate qualification, training and proficiency check records to demonstrate compliance with this requirement;
on request, make such records available to its personnel concerned; and
if a person is employed by another employer, on request, make such records of that person available to that new employer.
Textual Amendments
F4Word in Annex 4 points ADR.OPS.B.010(f) substituted (31.12.2020) by The Aviation Safety (Amendment etc.) (EU Exit) Regulations 2019 (S.I. 2019/645), regs. 1, 422 (with Sch. 3) (as amended by S.I. 2019/1098, regs. 1(3), 12); 2020 c. 1, Sch. 5 para. 1(1)
The aerodrome operator shall:
assess the wildlife hazard on, and in the surrounding, of the aerodrome;
establish means and procedures to minimise the risk of collisions between wildlife and aircraft, at the aerodrome; and
notify the appropriate authority if a wildlife assessment indicates conditions in the surroundings of the aerodrome are conducive to a wildlife hazard problem.
The aerodrome operator shall establish and implement procedures for the training, assessment and authorisation of all drivers operating on the movement area.
The aerodrome operator shall ensure that a surface movement guidance and control system is provided at the aerodrome.
The aerodrome operator shall ensure that means and procedures are established and implemented for providing safe conditions for aerodrome operations during winter conditions.
Whenever the contaminants listed in points ADR.OPS.A.060(a) to (e) are present on the surface of a runway, the aerodrome operator shall:
(a)assign a RWYCC based on the type and depth of the contaminant and temperature;
(b)inspect the runway whenever the runway surface condition may have changed due to meteorological conditions, assess the runway surface condition and assign a new RWYCC;
(c)use special air-reports to trigger reassessment of RWYCC.]
Textual Amendments
F5Annex 4 point ADR.OPS.B.037 inserted (20.11.2021) by The Aviation Safety (Amendment) (No. 3) Regulations 2021 (S.I. 2021/1203), regs. 1(2), 15(5)
The aerodrome operator shall ensure that means and procedures are established and implemented for providing safe conditions for aerodrome operation during night operations.
Textual Amendments
F6Word in Annex 4 point ADR.OPS.B.045(b) substituted (31.12.2020) by The Aviation Safety (Amendment etc.) (EU Exit) Regulations 2019 (S.I. 2019/645), regs. 1, 422 (with Sch. 3) (as amended by S.I. 2019/1098, regs. 1(3), 12); 2020 c. 1, Sch. 5 para. 1(1)
The aerodrome operator shall ensure that means and procedures are established and implemented to ensure the safety of aerodrome operations in adverse weather conditions.
The aerodrome operator shall verify that organisations involved in storing and dispensing of fuel to aircraft have procedures to ensure that aircraft are provided with uncontaminated fuel and of the correct specification.
The aerodrome operator shall have procedures to ensure that aerodrome visual aids and electrical systems function as intended.
aircraft safety is not affected by aerodrome works; and
aerodrome works safety is not affected by aerodrome operational activities.
obstacle limitation and protection surfaces as established in accordance with the certification basis, and other surfaces and areas associated with the aerodrome, in order to take, within its competence, appropriate action to mitigate the risks associated with the penetration of those surfaces and areas;
marking and lighting of obstacles in order to be able to take action within its competence, as appropriate; and
hazards related to human activities and land use in order to take action within its competence, as appropriate.
The aerodrome operator shall ensure that vehicles and other mobile objects, excluding aircraft, on the movement area of the aerodrome are marked and if the vehicles are used at night or in conditions of low visibility, lighted. Aircraft servicing equipment and vehicles used only on aprons may be exempted.
Textual Amendments
F7Word in Annex 4 point ADR.OPS.B.090(a) substituted (31.12.2020) by The Aviation Safety (Amendment etc.) (EU Exit) Regulations 2019 (S.I. 2019/645), regs. 1, 422 (with Sch. 3) (as amended by S.I. 2019/1098, regs. 1(3), 12); 2020 c. 1, Sch. 5 para. 1(1)
The aerodrome operator shall establish and implement a maintenance programme, including preventive maintenance where appropriate, to maintain aerodrome facilities so that they comply with the essential requirements set in Annex Va to Regulation (EC) No 216/2008.
maintain the surfaces of all movement areas with the objective of avoiding and eliminating any loose object/debris that might cause damage to aircraft or impair the operation of aircraft systems;
maintain the surface of runways, taxiways and aprons in order to prevent the formation of harmful irregularities;
take corrective maintenance action when the friction characteristics for either the entire runway or a portion thereof, when uncontaminated, are below a minimum friction level. The frequency of these measurements shall be sufficient to determine the trend of the surface friction characteristics of the runway.
The aerodrome operator shall establish and ensure the implementation of a system of corrective and preventive maintenance of visual aids and electrical systems to ensure lighting and marking system availability, reliability and compliance.