Task Status

This page is part of the ongoing SWIM communities of interest discussions. The content is working material. It should not be treated as final as it is still subject to review, comment and change.

Guidance

This template allows for the documentation of service definitions based on the requirements found at: /wiki/spaces/SCOI/pages/59605116

General requirements to remember:

SWIM-DEFN-010

Service definition coverage

A service definition shall define a single service

Note: This concerns the definition of a service that can be implemented by service providers. It is not used to describe a running service - use a service description in that case.

Note: This requirement uses "define" rather than "describe".

SWIM-DEFN-020

Service definition language

The textual descriptions in a service definition shall be written in English using the spelling listed as the primary British spelling when conflicting spellings exist.

-

Status Key

TBD - No work has started
WORKING - Content is being worked on, comments discussed
DRAFT - Draft is ready, comments resolved
REVIEWED - Group has reviewed, edited the final draft
AGREED - Content is finalised and agreed

Service Definition Identification

TBD

Trace

SWIM-DEFN-030

service definition identification	title	Service definition for the Quantitative Volcanic Ash Information Subscription and Request Service
	edition	00.00.01
	reference date	2024-01-23

Service Identification

TBD

Trace

SWIM-DEFN-040

service identification	service name	Quantitative Volcanic Ash Information Subscription and Request Service

Service Abstract

TBD

Trace

SWIM-DEFN-050

service abstract

The Quantitative Volcanic Ash Information Subscription and Request Service provides the service consumer with .... tbd

The service consumer can subscribe to the service, specifying what sort of information is of interest, and receive information as it becomes available.

It is also possible to send a direct request, using a request-reply mechanism, to the service to get the relevant meteorological information.

The meteorological information is issued by the designated Volcanic Ash Advisory Centre (VAAC). The meteorological information is only intended to be used by service consumers within the aviation domain.

Service Definition Provider

TBD

Trace

SWIM-DEFN-085

service definition provider	name	EUROCONTROL
	description	EUROCONTROL is an intergovernmental organisation with 41 Member and 2 Comprehensive Agreement States.
	point of contact	swim@eurocontrol.int

Geographical Extent of Information

WORKING

Trace

SWIM-DEFN-090

geographical extent of information

The service shall offer meteorological information concerning volcanic eruptions occurring in its area of responsibility.

The service shall offer the equivalent meteorological information for the areas of responsibility it acts as back-up for when there is an outage based on mutual agreements between service providers. Check air navigation plan for the back-ups.

Note: the ash cloud may extend beyond the area of responsibility.

Service Categories

TBD

Trace

SWIM-DEFN-095, SWIM-DEFN-100

service categories	category	category name	regulated information exchange
		value	METEOROLOGICAL_INFORMATION_EXCHANGE
		scheme	http://reference.swim.aero/information-services/service-categories/CodeRegulatedInformationExchangeType.html
	category	category name	information domain
		value	METEOROLOGICAL_INFORMATION
		scheme	https://reference.swim.aero/information-services/service-categories/CodeInformationDomainType.html
	category	category name	business activity
		value	INFORMATION_MANAGEMENT
		scheme	http://reference.swim.aero/information-services/service-categories/CodeBusinessActivityType.html
	category	category name	intended service consumer
		value	CIVIL_AIRSPACE_USER MILITARY_AIRSPACE_USER CIVIL_AIR_NAVIGATION_SERVICE_PROVIDER MILITARY_AIR_NAVIGATION_SERVICE_PROVIDER NETWORK_MANAGER operators and flight crew members (including for aircraft in flight); area control centre and flight information centre; appropriate ATS authorities concerned.
		scheme	https://reference.swim.aero/information-services/service-categories/CodeStakeholderType.html
	category	category name	intended service provider
		value	REGULATED_METEOROLOGICAL_SERVICE_PROVIDER
		scheme	http://reference.swim.aero/information-services/service-categories/CodeStakeholderType.html
	category	category name	service type
		value	METEOROLOGICAL_FEATURE_ACCESS_SERVICE METEOROLOGICAL_INFORMATION_SUBSCRIPTION_SERVICE METEOROLOGICAL_COVERAGE_ACCESS_SERVICE
		scheme	http://reference.swim.aero/information-services/service-categories/CodeServiceType.html

Service Standard Reference

TBD

Trace

SWIM-DEFN-120

Explanatory note

This field is left empty.

service standard reference	reference
	implemented options
	deviations/additions

Operational Environment

WORKING

Trace

SWIM-DEFN-130

operational environment

operational needs

Agreed at MET Panel IAVW (international ariways volcano watch).

T+24 time.

--

Flyer:

the quantitative volcanic ash (QVA) concentration information (hereafter referred to as ‘QVA information’) that is planned to be provided by volcanic ash advisory centres (VAAC) as part of the International Civil Aviation Organization’s (ICAO) International Airways Volcano Watch (IAVW).

QVA information offers operators the opportunity to move away from traditional discernible/visible ash criteria and instead use certified engine susceptibility for flight route planning and inflight replanning.

--

QVA information provides users with a high-resolution four-dimensional representation of a volcanic ash cloud, providing a more realistic depiction of the ash cloud. The 3-hourly timesteps of QVA information provides users with more accurate forecast positions of the ash cloud, compared to the 6-hourly timesteps of the VAA/VAG.

QVA information will likely have its greatest utility with ash cloud events that have a widely dispersed ash cloud with mostly lower levels of ash concentration. Operators with approval and procedures/practices, e.g., maintenance for planned flight into select thresholds of ash concentration, will be able to use QVA information to fly more efficient routes in accordance with their safety management program.

Probabilistic QVA information is intended for use in operator’s flight planning and decision support systems. Operators will use probabilistic QVA information in conjunction with their safety management program to optimise airspace and plan more efficient routes during significant volcanic ash cloud events.

--

ATM needs to know about the occurrence or expected occurrence of specified ... that may affect the safety of aircraft operations, and of the development of those phenomena in time and space.

A list of operational needs that this service contributes to satisfying is available in Appendix C.

This service satisfies these by offering meteorological information as regulated by Commission Implementing Regulation (EU) 2017/373 of 1 March 2017 and ICAO Annex 3.

The scope of the meteorological information satisfies the EU Implementing Regulation 2021/116 - Common Project One.

capabilities

The service provides high quality, up-to-date, trusted, regulated meteorological information in digital form for use by service consumers within the aviation domain.

information exchange requirements

The service shall take into account the following...

IER 1

The information as defined in ICAO Annex 3 Amdt 82 and PANS-MET:

expected dimensions (horizontal and vertical) of significant volcanic ash cloud at 4 concentration thresholds
gridded deterministic forecast of significant volcanic ash cloud showing the expected ash concentration
gridded probabilistic forecast of significant volcanic ash cloud showing the probability of exceeding 4 concentration thresholds
- check flyer for these

Note: Significant in this context means an ash cloud that poses a widespread impact to aircraft operations and air navigation.

Service Functions

WORKING

Trace

SWIM-DEFN-140

service functions	function	name	Request ... meteorological information
		description	The service consumer shall be able to request ... meteorological information filtered by erupting volcano number, forecast timesteps and logical (e.g. severity threshold) operators. ... and selection of payload type IWXXM polygons gridded data deterministic gridded data probablistic
		real-world effect	The meteorological information is received and can be used in ATM and other systems.
	function	name	Subscribe to ... meteorological information
		description	The service consumer shall be able to subscribe/unsubscribe in order to receive information based ... when a significant ash cloud
		real-world effect	The service consumer subscribes to information offered by the service.
	function	name	Distribute ... warning ~~meteorological information~~
		description	When new ... meteorological information is available, it shall be distributed to the subscribers or via a warning with details on how to access the information
		real-world effect	The service consumer is sent a message ~~containing the relevant~~ ~~meteorological information.~~

Service Access and Use Conditions

TBD

Trace

SWIM-DEFN-150

service access and use conditions	legal constraints
	service policies	business policy
		operational policy	There shall be a service policy to ensure that only service consumers within the aviation domain can use the service. The service policy shall include a requirement that service consumers cannot pass the information obtained from the service to non-aviation users without prior authorisation from the service provider.
		technical policy
	service consumption constraints

Security Constraints

TBD

Trace

SWIM-DEFN-160

security constraints	authentication	The service shall ensure consumer authentication in accordance with the EUROCONTROL Specification for SWIM Technical Infrastructure (TI) Yellow Profile through the use of a X.509 certificate or the use of a username/password. The service shall ensure provider authentication in accordance with EUROCONTROL Specification for SWIM Technical Infrastructure (TI) Yellow Profile through the use of a X.509 certificate.
	authorisation	The service shall ensure that satisfactory authorisation is put in place according to EUROCONTROL Specification for SWIM Technical Infrastructure (TI) Yellow Profile requirement SWIM-TIYP-0070.
	confidentiality	The service shall ensure point-to-point confidentiality in accordance with EUROCONTROL Specification for SWIM Technical Infrastructure (TI) Yellow Profile through the use of Transport Layer Security (TLS) 1.2 or above.
	integrity	The service shall ensure point-to-point integrity in accordance with EUROCONTROL Specification for SWIM Technical Infrastructure (TI) Yellow Profile through the use of Transport Layer Security (TLS) 1.2 or above.

Quality of Service

TBD

Trace

SWIM-DEFN-180

quality of service	performance	capacity	The service shall achieve a quality that is sufficient to ensure the service is fit for purpose.
	performance	response time	The service shall achieve a quality that is sufficient to ensure the service is fit for purpose.
	reliability	availability	The service shall achieve a quality that is sufficient to ensure the service is fit for purpose.
	reliability	recoverability	The service shall achieve a quality that is sufficient to ensure the service is fit for purpose.
	security	confidentiality	The service shall ensure confidentiality by using SWIM Technical Infrastructure (TI) Yellow Profile bindings.
	security	integrity	The service shall ensure integrity by using SWIM Technical Infrastructure (TI) Yellow Profile bindings.

Quality of Data

TBD

Trace

SWIM-DEFN-185

quality of data

The meteorological information offered by the service shall satisfy the applicable sections of Commission Implementing Regulation (EU) 2017/373 of 1 March 2017, taking into account the specific requirements for providers of meteorological services in the Acceptable Means of Compliance (AMC) and Guidance Material (GM) to Part-MET.

The meteorological information offered by the service shall satisfy the quality requirements expressed in ICAO Annex 3.

Source of Information

TBD

Trace

SWIM-DEFN-190

source of information

source

The service provider shall ensure that the meteorological data offered by the services is received from the appropriate authorised originating sources. This includes:

REGULATED_METEOROLOGICAL_SERVICE_PROVIDER acting as the designated ....

Service Validation Information

TBD

Trace

SWIM-DEFN-200

Explanatory note

This field is left empty.

service validation information	description

Application Message Exchange Pattern

TBD

Trace

SWIM-DEFN-210

application message exchange pattern	PUBLISH_SUBSCRIBE REQUEST_REPLY

Service Behaviour

TBD

Trace

SWIM-DEFN-220

service behaviour	typical behaviour	The service behaviour shall be in accordance with the patterns detailed in the Message Exchange Patterns: Identification Guidelines. The interfaces have different behaviour. A combination of an AMQP 1.0 implementation and an OGC implementation shall be used for the basic behaviour. The typical behaviour for PUBLISH_SUBSCRIBE means that: The subscription is handled by either: a request-reply implementation (see En-route Significant Weather Information Subscription and Request Service Subscription Interface) or an email request to the service provider. The distribution of the messages is handled by an AMQP 1.0 implementation (see Quantitative Volcanic Ash Information Subscription and Request Service Distribution Interface). The typical behaviour for REQUEST_REPLY (as used in Quantitative Volcanic Ash Information Subscription and Request Service Request Interface) is as follows: Synchronous Request/Reply The request message is sent from the service consumer to the service The service consumer remains blocked while awaiting the reply The service remains blocked while processing the reply The Meteorological Aerodrome Forecast (Message), the reply message, is sent from the service to the service consumer.

Service Monitoring

TBD

Trace

SWIM-DEFN-230

service monitoring	A service monitoring mechanism should be made available to service consumers.

Service Interfaces

TBD

Trace

SWIM-DEFN-240

service interfaces	interface	name	Quantitative Volcanic Ash Information Subscription and Request Service Request Interface
		description	Allows the service consumer to request filtered meteorological information. Note: This interface is used to group the operations offered by the chosen OGC standard.
		provider/consumer side	Provider side
	interface	name	Quantitative Volcanic Ash Information Subscription and Request Service Subscription Interface
		description	Allows the service consumer to select and subscribe to meteorological information of interest. It allows the service consumer to manage the subscriptions e.g. to unsubscribe. Note: This is an optional interface. Many service providers will prefer to receive subscription requests by email.
		provider/consumer side	Provider side
	interface	name	Quantitative Volcanic Ash Information Subscription and Request Service Distribution Interface
		description	Allows the service provider to distribute updated meteorological information meeting the need of the service consumer that has subscribed for updates.
		provider/consumer side	Provider side

SWIM TI Profile and Interface Bindings

TBD

Trace

SWIM-DEFN-250, SWIM-DEFN-255

Quantitative Volcanic Ash Information Subscription and Request Service Request Interface

SWIM TI profile and interface bindings	profile name	EUROCONTROL Specification for SWIM Technical Infrastructure (TI) Yellow Profile
	profile version	1.1
	selected service interface binding	WS_LIGHT
	selected network interface binding	The service shall use the network bindings of the SWIM TIYP.
	description	The interface shall use at least one of the following OGC standards: for services that exchange the meteorological information as resources: OGC API – Environmental Data Retrieval Standard; for services that exchange the meteorological information as coverages: OGC Web Coverage Service (WCS) Interface Standard – Core, version 2.1; for services that exchange the meteorological information as features: OGC Web Feature Service 2.0 Interface Standard;. Note: It is expected that the service will implement the OGC API – Environmental Data Retrieval Standard by November 2026.

Quantitative Volcanic Ash Information Subscription and Request Service Subscription Interface

SWIM TI profile and interface bindings	profile name	EUROCONTROL Specification for SWIM Technical Infrastructure (TI) Yellow Profile
	profile version	1.1
	selected service interface binding	WS_LIGHT
	selected network interface binding	The service shall use the network bindings of the SWIM Technical Infrastructure (TI) Yellow Profile.
	description

Quantitative Volcanic Ash Information Subscription and Request Service Distribution Interface

SWIM TI profile and interface bindings	profile name	EUROCONTROL Specification for SWIM Technical Infrastructure (TI) Yellow Profile
	profile version	1.1
	selected service interface binding	SWIM_TI_YP_1_1_AMQP_MESSAGING
	selected network interface binding	The service shall use the network bindings of the SWIM TIYP.
	description	AMQP 1.0 shall be used to distribute messages as explained in the Publish/Subscribe Push MEP: Implementation Guidance.

Service Interface Protocols and Data Format

TBD

Trace

SWIM-DEFN-260

service interface protocols and data format	transport / messaging protocols	The service shall use TLS1.2 or later in accordance with EUROCONTROL Specification for SWIM Technical Infrastructure (TI) Yellow Profile.
service interface protocols and data format	data format	QVA information will be provided in two file formats. Objects will be provided in ICAO’s Meteorological Information Exchange Model (IWXXM) format. Check version number. Gridded data will be provided NetCDF. This is captured at Service Message level (see below). WS_LIGHT does not mandate a data format. The header expresses what is used.

Service Operations

TBD

Trace

SWIM-DEFN-270

Quantitative Volcanic Ash Information Subscription and Request Service Request Interface

Explanatory note

The OGC Web Feature Service 2.0 Interface Standard is used to implement the service operations. It is not the intention to repeat the standardised operations here. However, the table below illustrates how the GetFeature operation would look in the context of this service.

Service operations	operation	operation name	GetFeature
		description	The GetFeature operation returns a selection of features from a data store. It responds to a GetFeature Request message with a Quantitative Volcanic Ash Information Message that satisfies the query expressions specified in the request.
		messages	Request, En-route Significant Weather Information Message

Quantitative Volcanic Ash Information Subscription and Request Service Subscription Interface

Service operations	reference	url	Meteorological SWIM Services Subscription Interface Standard
Service operations	reference	description	The standard operations for subscription and subscription management.

Quantitative Volcanic Ash Information Subscription and Request Service Distribution Interface

Service operations	operation	operation name	publish
		description	This operation allows the service provider to publish Quantitative Volcanic Ash Information Message to service consumers based on their subscriptions.
		messages	Quantitative Volcanic Ash Information Message

Service Messages

TBD

Explanatory note

The OGC Web Feature Service 2.0 Interface Standard details the basic messages such as request and response messages. It is not the intention to repeat the standardised messages here. The table below provides extra details for the Meteorological Aerodrome Forecast Message.

Trace

SWIM-DEFN-280

service messages	message	name	Reply Add: Quantitative Volcanic Ash Information Message - IWXXM QVA - NetCDF
		description	The output message containing the ... meteorological information.
		direction	Out
		data format	IWXXM: sets of features/objects for the 4 thresholds below. volcanic ash volcano 4 polygons (horizontal + upper/lower FL)/threshold IWWX: states the threshold - ashDensityEqualsOrExceeds Note: expected threshold values 0.2+, 2+, 5+, 10+ mg/m3 This is an update from the Flyer: The QVA information in IWXXM form will be provided as ‘objects’ (i.e. IWXXM features) for the very high, high, medium, and low concentration ranges. --- Gridded just gives the concentration - there is no assignment to low, medium, etc.
	message	name	Request
		description	Request message submitted to the service containing query expressions for the GetFeature or EDR quivalent (http get) operation. can select data format
		direction	In
		data format
	message	name	Distribution QVA notification message
		description	The alert and way to access the request
		direction	Out
		data format	JSON and/or XML
	reference	url	Meteorological SWIM Services Subscription Interface Standard
	reference	description	The standard messages for subscription and subscription management.

Information Definition (Minimum) and (Extended)

TBD

Trace

SWIM-DEFN-290, SWIM-DEFN-300

information definition

The service shall offer information available in accordance IWXXM QVA schema.

Note: expected to be 2025-2.

+ for gridded, Clear up NetCDF 4 specification - containing volcanic ash (trace to AIRM).

with Appendix B.

Flyer:

Significant volcanic ash clouds

QVA information will be issued for significant volcanic ash clouds. Significant in this context means an ash cloud that poses a widespread impact to aircraft operations and air navigation.

Filter Encoding

TBD

Trace

SWIM-DEFN-310

filter encoding

The Quantitative Volcanic Ash Information Subscription and Request Service Request Interface shall support the During temporal operator defined in the OGC Filter Encoding 2.0 Encoding Standard.

The Quantitative Volcanic Ash Information Subscription and Request Service Request Interface shall support filtering based on the name and ICAO location indicator of the aerodrome of interest..

The Quantitative Volcanic Ash Information Subscription and Request Service Request Interface should support filtering based on the operators defined in the OGC Filter Encoding 2.0 Encoding Standard.

The Quantitative Volcanic Ash Information Subscription and Request Service Subscription Interface shall allow for the selection of subscription based on clearly defined criteria.

Machine-Readable Service Interface Definition

TBD

Trace

SWIM-DEFN-320

Explanatory note

This field is left empty. No machine-readable service interface definition is provided.

machine-readable service interface definition	reference

Model View

TBD

Trace

SWIM-DEFN-330

Explanatory note

This field is left empty. No model view is provided.

model view	reference

Abbreviations and Acronyms

TBD

Trace

SWIM-DEFN-350

abbreviations and acronyms	abbreviation	code	AMQP
	abbreviation	term	Advanced Message Queuing Protocol
	abbreviation	code	API
	abbreviation	term	Application Programming Interface
	abbreviation	code	CTA
	abbreviation	term	Control area
	abbreviation	code	EU
	abbreviation	term	European Union
	abbreviation	code	FIR
	abbreviation	term	Flight information region
	abbreviation	code	ICAO
	abbreviation	term	International Civil Aviation Organization
	abbreviation	code	MEP
	abbreviation	term	Message Exchange Pattern
	abbreviation	code	OGC
	abbreviation	term	Open Geospatial Consortium
	abbreviation	code	SIGMET
	abbreviation	term	Information concerning en-route weather phenomena which may affect the safety of aircraft operations.
	abbreviation	code	TI
	abbreviation	term	Technical Infrastructure
	abbreviation	code	TIYP
	abbreviation	term	Technical Infrastructure Yellow Profile
	abbreviation	code	TLS
	abbreviation	term	Transport Layer Security
	abbreviation	code	UIR
	abbreviation	term	Upper flight information region

Appendix A: References

TBD

Trace

This is not traced to a requirement.

references	reference	title	EU Implementing Regulation 2021/116 - Common Project One
		version	1 February 2021
		description	Commission Implementing Regulation (EU) 2021/116 of 1 February 2021 on the establishment of the Common Project One supporting the implementation of the European Air Traffic Management Master Plan provided for in Regulation (EC) No 550/2004 of the European Parliament and of the Council, amending Commission Implementing Regulation (EU) No 409/2013 and repealing Commission Implementing Regulation (EU) No 716/2014.
		url	https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX%3A32021R0116
		document type
	reference	title	Commission Implementing Regulation (EU) 2017/373
		version	1 March 2017 (as amended)
		description	Commission Implementing Regulation (EU) 2017/373 of 1 March 2017 laying down common requirements for providers of air traffic management/air navigation services and other air traffic management network functions and their oversight, repealing Regulation (EC) No 482/2008, Implementing Regulations (EU) No 1034/2011, (EU) No 1035/2011 and (EU) 2016/1377 and amending Regulation (EU) No 677/2011.
		url	https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX%3A02017R0373-20230126
		document type
	reference	title	Acceptable Means of Compliance (AMC) and Guidance Material (GM) to Part-MET
		version	14/03/2022
		description
		url	https://www.easa.europa.eu/en/document-library/acceptable-means-of-compliance-and-guidance-materials/group/part-met#part-met
		document type
	reference	title	OGC API – Environmental Data Retrieval Standard
		version	1.1
		description	OGC API standards define modular API building blocks to spatially enable Web APIs in a consistent way. The OpenAPI specification is used to define the API building blocks.
		url	https://www.ogc.org/standard/ogcapi-edr/
		document type
	reference	title	OGC Web Coverage Service (WCS) Interface Standard
		version	version 2.1
		description	A Web Coverage Service (WCS) offers multi-dimensional coverage data for access over the Internet. WCS Core specifies a core set of requirements that a WCS implementation must fulfill.
		url	https://www.ogc.org/standard/wcs/
		document type
	reference	title	OGC API - Coverages
		version
		description	The OGC API - Coverages draft specification defines a Web API for accessing coverages that are modeled according to the Coverage Implementation Schema (CIS) 1.1
		url	https://ogcapi.ogc.org/coverages/
		document type
	reference	title	OGC Web Feature Service 2.0 Interface Standard
		version
		description	WFS offers direct fine-grained access to geographic information at the feature and feature property level. Note: This is equivalent to ISO 19142 - Geographic Information - Web Feature Service.
		url	https://www.ogc.org/standard/wfs/
		document type
	reference	title	OGC API – Features
		version
		description	OGC API Features provides API building blocks to create, modify and query features on the Web.
		url	https://www.ogc.org/standard/ogcapi-features/
		document type
	reference	title	OGC Filter Encoding 2.0 Encoding Standard
		version
		description	This jointly developed OGC and ISO TC/211 International Standard describes an XML and KVP encoding of a system neutral syntax for expressing projections, selection and sorting clauses collectively called a query expression. These components are modular and intended to be used together or individually by other standards which reference this International Standard. Note: This is equivalent to ISO 19143 - Geographic Information - Filter encoding.
		url	https://www.ogc.org/docs/is
		document type
	reference	title	Message Exchange Patterns: Identification Guidelines
		version	JULY 2nd, 2019
		description	Document intended to facilitate the understanding of message exchange patterns from an application and Technical Infrastructure perspective.
		url	https://reference.swim.aero/technical-infrastructure/message-exchange-patterns-identification-guidelines.html
		document type	SERVICE_BEHAVIOUR_DESCRIPTION
	reference	title	Publish/Subscribe Push MEP: Implementation Guidance
		version	JULY 2nd, 2019
		description	This document intends to serve as implementation guidance of the Publish/Subscribe Push Message Exchange Pattern using SWIM-TI Yellow Profile Service Bindings.
		url	https://reference.swim.aero/technical-infrastructure/guidance-for-pub-sub-push-implementation.html
		document type

Appendix B: Information Definition

TBD

The message shall include the following metadata:

Location covered by the message
Responsible organisation
Validity of the message

The message shall include the following meteorological information when relevant:

Volcanic ash (including volcano name, if known)

Appendix C: Operational Needs

TBD

Transversal

Support integration of existing and/or tailored weather information with operational processes to aid decision-making and improve understanding of the operational impact of adverse weather.

By service consumer role

Stakeholder/Role	Description of stakeholder/role	Needs for en-route significant weather information	Notes
CIVIL_AIRSPACE_USER	A generic term designating an organization operating aircraft and its pilots, the flight operations centres (FOC) responsible for the strategic planning of a flight and the entity responsible for the execution of a flight which is traditionally a flight deck.
MILITARY_AIRSPACE_USER	Airspace User under the authority of a military organisation.
CIVIL_AIR_NAVIGATION_SERVICE_PROVIDER	Any public or private entity providing air navigation services for general air traffic.
MILITARY_AIR_NAVIGATION_SERVICE_PROVIDER	Any public or private entity providing air navigation services for military air traffic.
AIR_TRAFFIC_SERVICE_PROVIDER	A generic term meaning variously, flight information service, alerting service, air traffic advisory service, air traffic control service (area control service, approach control service or aerodrome control service).
REGULATED_METEOROLOGICAL_SERVICE_PROVIDER	An office designated to provide meteorological service for international air navigation.		This role is not recognised by the SESAR Deployment Program as a service consumer. However, it is recognised in ATM Master Plan (https://atmmasterplan.eu/data/enablers/20417016.) Moreover, looking at the EU Reg. 2017/373, a MET Service Provider has to support stakeholders and for that MET-data is needed from other MET-providers. Also such MET-data is needed for their own purpose to evaluate the correctness of forecasts.
AERONAUTICAL_INFORMATION_SERVICE_PROVIDER	A service established within the defined area of coverage responsible for the provision of aeronautical information/data necessary for the safety, regularity and efficiency of air navigation.	Not applicable
COMMUNICATION_NAVIGATION_AND_ SURVEILLANCE_SERVICE_PROVIDER	A provider of CNS services.	Not applicable
PROVIDER_OF_DATA_SERVICES	A public or private entity responsible for the management of a Data Service Provision (e.g. to one or several Virtual Centre).
NETWORK_MANAGER	The organization responsible for enabling the optimum use of airspace and ensure that Airspace Users can operate preferred trajectories while allowing maximum access to airspaces and air navigation services.
AIRPORT_OPERATOR	The civilian or military agency, group or individual which exercises control over the operations of the civil airport or military airfield.	Not applicable.
AIRSIDE_GROUND_HANDLER	A stakeholder involved in the services necessary for an aircraft's arrival at, and departure from, an airport, other than air traffic services.
MILITARY_DEFENCE_CENTRE	A military defence centre. Note: these centres, e.g., check for diplomatic clearance.	Not applicable

Quantitative Volcanic Ash Information Subscription and Request Service - Service Definition

Service Definition Identification

Service Identification

Service Abstract

Service Definition Provider

Geographical Extent of Information

Service Categories

Service Standard Reference

Operational Environment

Service Functions

Service Access and Use Conditions

Security Constraints

Quality of Service

Quality of Data

Source of Information

Service Validation Information

Application Message Exchange Pattern

Service Behaviour

Synchronous Request/Reply

Service Monitoring

Service Interfaces

SWIM TI Profile and Interface Bindings

Quantitative Volcanic Ash Information Subscription and Request Service Request Interface

Quantitative Volcanic Ash Information Subscription and Request Service Subscription Interface

Quantitative Volcanic Ash Information Subscription and Request Service Distribution Interface

Service Interface Protocols and Data Format

Service Operations

Quantitative Volcanic Ash Information Subscription and Request Service Request Interface

Quantitative Volcanic Ash Information Subscription and Request Service Subscription Interface

Quantitative Volcanic Ash Information Subscription and Request Service Distribution Interface

Service Messages

Information Definition (Minimum) and (Extended)

Filter Encoding

Machine-Readable Service Interface Definition

Model View

Abbreviations and Acronyms

Appendix A: References

Appendix B: Information Definition

Appendix C: Operational Needs

Transversal

By service consumer role