{
    "informationService": {
        "descriptionInformation": {
            "descriptionIdentification": {
                "title": "SIGMET in IWXXM - IMO",
                "edition": "1.0",
                "referenceDate": "2025-12-31"
            },
            "abbreviations": [
                {
                    "name": "AIRM",
                    "description": "ATM Information Reference Model"
                },
                {
                    "name": "AMQP",
                    "description": "Advanced Message Queuing Protocol"
                },
                {
                    "name": "ATC",
                    "description": "Air Traffic Control"
                },
                {
                    "name": "ATM",
                    "description": "Air Traffic Management"
                },
                {
                    "name": "EACP",
                    "description": "European Aviation Common Public Key Infrastructure"
                },
                {
                    "name": "IMO",
                    "description": "Icelandic Meteorological Office"
                },
                {
                    "name": "HTTP",
                    "description": "Hypertext Transfer Protocol"
                },
                {
                    "name": "ICAO",
                    "description": "International Civil Aviation Organization"
                },
                {
                    "name": "IER",
                    "description": "Information Exchange Requirement"
                },
                {
                    "name": "IMO",
                    "description": "Icelandic Meteorological Office"
                },
                {
                    "name": "IR",
                    "description": "Implementation Rules"
                },
                {
                    "name": "ISRM",
                    "description": "Information Service Reference Model"
                },
                {
                    "name": "IWXXM",
                    "description": "ICAO Meteorological Information Exchange Model"
                },
                {
                    "name": "METAR",
                    "description": "Meteorological Aerodrome Report"
                },
                {
                    "name": "NWS",
                    "description": "National Weather Service"
                },
                {
                    "name": "OGC",
                    "description": "Open Geospatial Consortium"
                },
                {
                    "name": "PCP",
                    "description": "Pilot Common Project"
                },
                {
                    "name": "REQ",
                    "description": "Requirement"
                },
                {
                    "name": "WFS",
                    "description": "Web Feature Service"
                },
                {
                    "name": "WMO",
                    "description": "World Meteorological Organization"
                },
                {
                    "name": "SIGMET",
                    "description": "significant meteorological phenomena"
                },
                {
                    "name": "TAF",
                    "description": "Terminal Aerodrome Forecast"
                },
                {
                    "name": "AMO",
                    "description": "Aerodrome Meteorological Office"
                },
                {
                    "name": "AMS",
                    "description": "Aeronautical Meteorological Station"
                },
                {
                    "name": "EDR",
                    "description": "Environmental Data Retrieval"
                },
                {
                    "name": "MEP",
                    "description": "Message Exchange Pattern"
                },
                {
                    "name": "PANS-MET",
                    "description": "ICAO Procedures for Air Navigation Services - Meteorology"
                },
                {
                    "name": "TIYP",
                    "description": "Technical Infrastructure Yellow Profile"
                },
                {
                    "name": "TI",
                    "description": "Technical Infrastructure"
                }
            ]
        },
        "serviceIdentification": {
            "name": "SIGMET in IWXXM - IMO",
            "version": "1.0"
        },
        "serviceAbstract": "The service provides SIGMET information in IWXXM for Reykjavik FIR/CTA in compliance with ICAO Annex 3. The retrieval of information will be done on a regular basis (subscription) via AMQP 1.0 whereby the message contains the whole IWXXM dataset. The other option to collect the data is via Request/Reply using OGC EDR API, where the IWXXM data is provided in replies, in a ZIP archive.",
        "serviceProvider": {
            "providerType": [
                "REGULATED_METEOROLOGICAL_SERVICE_PROVIDER"
            ],
            "pointOfContact": [
                {
                    "name": "IMO Aviation Weather Service",
                    "contactInformation": [
                        {
                            "type": "EMAIL",
                            "address": "aviationweather@vedur.is"
                        },
                        {
                            "type": "PHONE",
                            "address": "+354 522 6000"
                        },
                        {
                            "type": "URL",
                            "address": "https://en.vedur.is/weather/aviation/"
                        }
                    ],
                    "role": "Data Provider"
                }
            ],
            "provider": "IMO",
            "providerDescription": "<p>The Icelandic Meteorological Office (IMO) is a governmental organization under the Ministry of the Environment, Energy and Climate. IMO is a certified meteorological service (MET) provider, holding certificate IS/ANSP/002 issued by the Icelandic Transport Authority and is an ISO 9001/ISO 27001 certified public sector body. IMO provides a range of MET services for Icelandic airports and airspace within the boundaries of Reykjavik FIR/CTA.&nbsp;</p><p>IMO is a State Volcano Observatory, designated by NAT ANP, to monitor active or potentially active volcanoes within the State and to provide information on volcanic activity to its corresponding ACC/FIC, MWO and VAAC.</p>"
        },
        "serviceCategorisation": {
            "serviceType": "SWIM_COMPLIANT",
            "businessActivityType": [
                "AERODROME_OPERATION",
                "AIRSPACE_ORGANISATION_AND_MANAGEMENT",
                "INFORMATION_MANAGEMENT",
                "SERVICE_DELIVERY_MANAGEMENT"
            ],
            "intendedConsumer": [
                "AIR_TRAFFIC_SERVICE_PROVIDER",
                "AIRPORT_OPERATOR",
                "AIRSIDE_GROUND_HANDLER",
                "CIVIL_AIR_NAVIGATION_SERVICE_PROVIDER",
                "CIVIL_AIRSPACE_USER",
                "COMMUNICATION_NAVIGATION_AND_SURVEILLANCE_SERVICE_PROVIDER",
                "MILITARY_AIR_NAVIGATION_SERVICE_PROVIDER",
                "MILITARY_AIRSPACE_USER",
                "PROVIDER_OF_DATA_SERVICES",
                "REGULATED_METEOROLOGICAL_SERVICE_PROVIDER"
            ],
            "informationCategory": [
                "METEOROLOGICAL_INFORMATION_EXCHANGE"
            ],
            "applicationMessageExchangePattern": [
                {
                    "name": "Request/Reply"
                },
                {
                    "name": "Publish/Subscribe with Push Mechanism"
                }
            ],
            "geospatialCategorisation": {
                "countryCode": [
                    "BI"
                ],
                "description": "The dataset is valid for Reykjavik Control Area (CTA) containing Reykjavik (BIRD) FIR in addition to Nuuk (BGGL) FIR above 19.500 FT"
            },
            "other": [
                {
                    "name": "Service Type: METEOROLOGICAL_FEATURE_ACCESS_SERVICE",
                    "value": "METEOROLOGICAL_FEATURE_ACCESS_SERVICE",
                    "categorisationScheme": {
                        "url": "http://reference.swim.aero/information-services/service-categories/CodeServiceType.html"
                    }
                },
                {
                    "name": "Service Type: METEOROLOGICAL_INFORMATION_SUBSCRIPTION_SERVICE",
                    "value": "METEOROLOGICAL_INFORMATION_SUBSCRIPTION_SERVICE",
                    "categorisationScheme": {
                        "url": "http://reference.swim.aero/information-services/service-categories/CodeServiceType.html"
                    }
                }
            ],
            "lifeCycle": [
                {
                    "lifeCycleStage": "OPERATIONAL",
                    "from": "2026-01-30"
                }
            ]
        },
        "generalDescription": {
            "operationalEnvironment": {
                "operationalNeeds": [
                    {
                        "name": "Operational Needs",
                        "description": "This service contributes to fulfilling operational needs as defined in Commission Implementing Regulation (EU) 2017/373 and ICAO Annex 3. It supports the EU Implementing Regulation 2021/116 - Common Project One."
                    },
                    {
                        "name": "Information Exchange Requirements",
                        "description": "IER 1 - The information currently included in the SIGMET as defined in Commission Implementing Regulation (EU) 2017/373, ICAO Annex 3 Amendment 82 and PANS-MET."
                    }
                ],
                "capabilities": [
                    {
                        "name": "Capabilities",
                        "description": "The service provides high quality, up-to-date, trusted, regulated meteorological information in digital form for use by service consumers within the aviation domain."
                    }
                ]
            },
            "functionality": [
                {
                    "name": "Distribute Data",
                    "description": "The service distributes the data when they are available.",
                    "realWorldEffect": "Information has been shared; the service consumer receives the requested data."
                },
                {
                    "name": "Request Data",
                    "description": "The service consumer is able to request data from the service using an OGC EDR endpoint.",
                    "realWorldEffect": "Information has been shared; the service consumer gets the requested data."
                },
                {
                    "name": "Subscribe to Data",
                    "description": "The service consumer is able to subscribe to data via AMQP by contacting IMO contact point.",
                    "realWorldEffect": "Subscription has been established, consumer will receive data matching the subscription."
                }
            ],
            "qualitiesOfService": {
                "performance": [
                    {
                        "name": "Time Behaviour",
                        "description": "Under normal operations 90% of messages will be delivered within 10 minutes after the issuing time."
                    },
                    {
                        "name": "Capacity",
                        "description": "Subscriptions are managed with consideration of the capacity of the technical infrastructure. Each connection is rate and connection limited to avoid overload of the system."
                    }
                ],
                "reliability": [
                    {
                        "name": "Availability",
                        "description": "The expected availability of the system is 98% of continuous runtime per year. OS patching, kernel updates, and hardware upgrades will require scheduled downtime where the service is unavailable."
                    },
                    {
                        "name": "Recoverability",
                        "description": "Regular backups or snapshots of the installation have been set up. In the event of hardware failure, service restoration relies on hardware replacement and system restarts."
                    }
                ],
                "security": [
                    {
                        "name": "Integrity",
                        "description": "Integrity is protected by using TLS layer for all the service interface bindings. However the Message Security based on S/MIME 4.0 proposed in SWIM TI Yellow Profile 2.0 is not yet implemented."
                    },
                    {
                        "name": "Confidentiality",
                        "description": "Data delivery is only available for registered users, who need to present their credentials for access to the services using HTTP Authorization header with Basic scheme for HTTP based connections, and using SASL plain for AMQP connections."
                    }
                ]
            },
            "accessAndUseConditions": [
                {
                    "name": "General Terms and Conditions of Business",
                    "type": "LEGAL_CONSTRAINT",
                    "description": "Terms and conditions are provided by IMO upon request"
                },
                {
                    "name": "Information Retainment",
                    "type": "SERVICE_CONSUMPTION_CONSTRAINT",
                    "description": "Meteorological information is retained for a period of at least 30 days from the date of issue. This relates to the information itself and not the request time of the user."
                },
                {
                    "name": "Subscription",
                    "type": "SERVICE_CONSUMPTION_CONSTRAINT",
                    "description": "To subscribe, customers need to contact aviationweather@vedur and request access to the service."
                },
                {
                    "name": "Authentication",
                    "type": "SECURITY_CONSTRAINT",
                    "description": "The service ensures client authentication in accordance with SWIM Technical Infrastructure (TI) Yellow Profile 2.0 requirement SWIM-TIYP-0042 by implementing username and password authentication using HTTP Authorization headers with Basic scheme for HTTPS based interfaces, and using SASL PLAIN for AMQP."
                },
                {
                    "name": "Authorisation",
                    "type": "SECURITY_CONSTRAINT",
                    "description": "The service ensures that satisfactory authorisation is put in place according to EUROCONTROL Specification for SWIM Technical Infrastructure (TI) Yellow Profile requirement SWIM-TIYP-0070."
                },
                {
                    "name": "Confidentiality",
                    "type": "SECURITY_CONSTRAINT",
                    "description": "The service ensures point-to-point confidentiality in accordance with EUROCONTROL Specification for SWIM Technical Infrastructure (TI) Yellow Profile 2.0 through the use of Transport Layer Security (TLS) 1.3. The communication is encrypted by TLS with a certificate issued by the EACP."
                },
                {
                    "name": "Integrity",
                    "type": "SECURITY_CONSTRAINT",
                    "description": "The service ensures point-to-point integrity in accordance with EUROCONTROL Specification for SWIM Technical Infrastructure (TI) Yellow Profile through the use of Transport Layer Security (TLS) 1.3."
                }
            ],
            "validation": [
                {
                    "type": "SELF_VALIDATION",
                    "description": {
                        "evidence": "Service tested by IMO."
                    }
                }
            ],
            "dateInOperation": "2026-01-30"
        },
        "informationDescription": {
            "filtering": {
                "capability": [
                    {
                        "name": "Filtering Capabilities OGC EDR",
                        "description": "The EDR implementation builds on MET3SG community MET SWIM OGC EDR GUIDANCE. Additionally it supports OGC EDR filtering machanisms: cube query using a bbox parameter, area query with a polygon specified in coords parameter, radius query.",
                        "reference": {
                            "url": "https://swim-eurocontrol.atlassian.net/wiki/spaces/MSS/pages/630194181/MET+SWIM+OGC+EDR+Guidance"
                        }
                    },
                    {
                        "name": "Filtering Capabilities AMQP",
                        "description": "Simple filtering is achieved using the topic structure of the broker, which determines the type of data recieved. AMQP SQL-like syntax for filters applied to AMQP application properties can be also used by the service consumer to further filter the data received.",
                        "reference": {
                            "url": "https://swim-eurocontrol.atlassian.net/wiki/spaces/MSS/pages/638156804/AMQP+Message+Structure+in+MET-SWIM"
                        }
                    }
                ]
            },
            "sourceOfInformation": "The service provider ensures that the data offered within this service is created by IMO, a REGULATED_METEOROLOGICAL_SERVICE_PROVIDER.",
            "informationDefinition": {
                "reference": [
                    {
                        "url": "https://airm.aero/developers/icao-wxxm-3.0.0-to-airm-1.0.0-index"
                    }
                ]
            }
        },
        "technicalDescription": {
            "serviceMonitoring": {
                "monitoringDescription": "For AMQP subscriptions, regular heartbeat messages are sent to weather.aviation.sigmet topic at approximately 60-second intervals. Arrival of the heartbeat message indicates that the main subsystems of the service are running."
            },
            "behaviour": [
                {
                    "name": "Typical Request/Reply Behaviour",
                    "description": "<p>The typical behavior is following:</p><ul><li>Client sends request to the OGC EDR interface</li><li>The service replies with the appropriate HTTP response</li><li>If the request for specific IWXXM data is made, the service returns a zip archive with one or more files containing IWXXM messages.</li></ul>",
                    "reference": {
                        "description": "OGC EDR",
                        "url": "https://ogcapi.ogc.org/edr/"
                    }
                },
                {
                    "name": "Typical Data Distribution Behaviour",
                    "description": "The service sends the data to subscribers when they are available and match their subscription using the AMQP protocol.",
                    "reference": {
                        "description": "AMQP Version 1.0",
                        "url": "https://docs.oasis-open.org/amqp/core/v1.0/amqp-core-complete-v1.0.pdf"
                    }
                },
                {
                    "name": "Typical Data Subscription Behaviour",
                    "description": "<p>For subscribing to data the consumer needs to contact the IMO contact point and request the credentials. After registration the consumer gets the endpoint to IMO SWIM services.</p>"
                }
            ]
        },
        "serviceInterface": [
            {
                "name": "OGC EDR Request Interface",
                "description": "Allows the service consumer to request the latest available SIGMETs via OGC API - EDR.",
                "provisionSide": "PROVIDER_SIDE",
                "endpoints": [
                    {
                        "name": "EDR base endpoint",
                        "description": "This is the connection between the service provider and the customer via EDR. You need to contact the Icelandic Meteorological Office's aviation customer service (aviationweather@vedur.is) to get the credentials for the interface use.",
                        "url": "https://swim.vedur.is/edr"
                    }
                ],
                "serviceInterfaceBinding": {
                    "reference": {
                        "description": "EUROCONTROL-SPEC-170 - EUROCONTROL Specification for SWIM Technical Infrastructure (TI) Yellow\r\n",
                        "url": "https://www.eurocontrol.int/sites/default/files/2025-07/eurocontrol-spec-swim-tiyp-ed-2-0.pdf"
                    },
                    "name": "SWIM_TI_YP_2_0_WS_LIGHT",
                    "description": "The WS Light Interface Binding as detailed in the EUROCONTROL Specification for SWIM Technical Infrastructure Yellow Profile, edition 2.0.\r\n"
                },
                "networkInterfaceBinding": {
                    "reference": {
                        "description": "EUROCONTROL-SPEC-170 - EUROCONTROL Specification for SWIM Technical Infrastructure (TI) Yellow",
                        "url": "https://www.eurocontrol.int/sites/default/files/2025-07/eurocontrol-spec-swim-tiyp-ed-2-0.pdf"
                    },
                    "name": "SWIM_TI_YP_2_0_IPV4_UNICAST",
                    "description": "Service supports IPv4 unicast."
                },
                "operations": [
                    {
                        "name": "EDR operations",
                        "description": "OGC API - Environmental Data Retrieval Standard is used to implement the service operations.",
                        "idempotency": "IDEMPOTENT",
                        "messages": [
                            {
                                "name": "EDR Request",
                                "direction": "IN"
                            },
                            {
                                "name": "EDR Reply",
                                "direction": "OUT"
                            }
                        ]
                    }
                ],
                "messages": [
                    {
                        "name": "EDR Request",
                        "description": "Request message submitted to the EDR service containing query expressions for the EDR HTTP GET operation.",
                        "schema": {
                            "description": "The EDR requests for the SIGMET data are based on the OGC EDR https://ogcapi.ogc.org/edr/ specifications and Eurocontrol MET SWIM OGC EDR Guidance.",
                            "url": "https://swim-eurocontrol.atlassian.net/wiki/spaces/MSS/pages/630194181/MET+SWIM+OGC+EDR+Guidance"
                        },
                        "isError": false
                    },
                    {
                        "name": "EDR Reply",
                        "description": "The message that is an output of the EDR service.",
                        "schema": {
                            "description": "The EDR replies for the SIGMET data requests are based on the OGC EDR https://ogcapi.ogc.org/edr/ specifications and Eurocontrol MET SWIM OGC EDR Guidance.",
                            "url": "https://swim-eurocontrol.atlassian.net/wiki/spaces/MSS/pages/630194181/MET+SWIM+OGC+EDR+Guidance"
                        },
                        "isError": false
                    }
                ]
            },
            {
                "name": "AMQP Distribution Interface",
                "description": "Allows the service provider to distribute the latest available SIGMETs, meeting the need of the service consumer that has subscribed for updates.",
                "provisionSide": "PROVIDER_SIDE",
                "endpoints": [
                    {
                        "name": "AMQP base endpoint",
                        "description": "The base endpoint for AMQP subscriptions, from which AMQP messages may be retrieved",
                        "url": "amqps://swim.vedur.is:5671"
                    }
                ],
                "serviceInterfaceBinding": {
                    "name": "SWIM_TI_YP_2_0_AMQP_MESSAGING",
                    "description": "The AMQP_MESSAGING Interface Binding as detailed in the EUROCONTROL Specification for SWIM Technical Infrastructure Yellow Profile, edition 2.0"
                },
                "networkInterfaceBinding": {
                    "reference": {
                        "description": "EUROCONTROL-SPEC-170 - EUROCONTROL Specification for SWIM Technical Infrastructure (TI) Yellow",
                        "url": "https://www.eurocontrol.int/sites/default/files/2025-07/eurocontrol-spec-swim-tiyp-ed-2-0.pdf"
                    },
                    "name": "SWIM_TI_YP_2_0_IPV4_UNICAST",
                    "description": "Service supports IPv4 unicast"
                },
                "operations": [
                    {
                        "name": "Publish",
                        "description": "The requested information is contained directly in the AMQP message",
                        "idempotency": "IDEMPOTENT",
                        "messages": [
                            {
                                "name": "AMQP Message",
                                "direction": "OUT"
                            }
                        ]
                    }
                ],
                "messages": [
                    {
                        "name": "AMQP Message",
                        "description": "The message that is an output of the service, containing the required data",
                        "schema": {
                            "description": "The format of the AMQP Messages provided by the service is based on the Eurocontrol Guidance materials for AMQP Message Structure in MET-SWIM",
                            "url": "https://swim-eurocontrol.atlassian.net/wiki/spaces/MSS/pages/638156804/AMQP+Message+Structure+in+MET-SWIM"
                        },
                        "isError": false
                    }
                ]
            }
        ],
        "references": {
            "implementedStandard": [
                {
                    "title": "EUROCONTROL SWIM-TI Yellow Profile",
                    "standardType": "EUROCONTROL_SPECIFICATION_FOR_SWIM_TECHNICAL_INFRASTRUCTURE",
                    "conformanceStatement": "is compliant",
                    "version": "2.0"
                },
                {
                    "title": "EUROCONTROL SWIM Service Description",
                    "standardType": "EUROCONTROL_SPECIFICATION_FOR_SWIM_SERVICE_DESCRIPTION",
                    "conformanceStatement": "is compliant",
                    "version": "2.0",
                    "description": "Description of Service according to EUROCONTROL specifications"
                },
                {
                    "title": "Environmental Data Retrieval (EDR)",
                    "standardType": "EUROCONTROL_SPECIFICATION_FOR_SWIM_TECHNICAL_INFRASTRUCTURE",
                    "conformanceStatement": "is conformant",
                    "version": "1.0",
                    "description": "<p>Please see references to EDR website and specifications:&nbsp;<a href='https://ogcapi.ogc.org/edr/'>https://ogcapi.ogc.org/edr/</a></p>"
                },
                {
                    "title": "AMQP",
                    "standardType": "EUROCONTROL_SPECIFICATION_FOR_SWIM_TECHNICAL_INFRASTRUCTURE",
                    "conformanceStatement": "is conformant",
                    "version": "true",
                    "description": "Advanced Message Queuing Protocol"
                }
            ]
        }
    }
}