DK Danish METAR/SPECI, TAF and SIGMET (IWXXM) Subscription and Request Service

Abstract

The service provides latest METAR/SPECI, TAF and currently valid SIGMET reports in IWXXM format, in compliance with ICAO Annex 3, Regulation (EU) 2017/373 and PANS-MET, for Danish aerodromes.The reports are delivered continuously via AMQP 1.0 subscriptions, or on demand via an OpenAPI interface.

Categorisation

Service Type

SERVICE_DESCRIPTION

Life Cycle Stage

PROSPECTIVE

Business Activity Type

AERODROME_OPERATION
AIRSPACE_ORGANISATION_AND_MANAGEMENT
AIRSPACE_USER_OPERATIONS
CONFLICT_MANAGEMENT
INFORMATION_MANAGEMENT
SERVICE_DELIVERY_MANAGEMENT

Intended Consumer

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
NETWORK_MANAGER
PROVIDER_OF_DATA_SERVICES
REGULATED_METEOROLOGICAL_SERVICE_PROVIDER

Information Exchange Category

METEOROLOGICAL_INFORMATION_EXCHANGE

Application Message Exchange Pattern

SYNCHRONOUS_REQUEST_REPLY
PUBLISH_SUBSCRIBE_WITH_PUSH_MECHANISM

ICAO Region

Geospatial Categorisation Description

Data valid for Europe,Denmark - locations within Kobenhavn FIR (EKDK) and EKRN.

Provider

Naviair

Description

Naviair is the Danish ANSP.

Naviair’s core activities

Air Traffic Management (ATM) in Danish airspace

• From the ATCC in Copenhagen, we provide area control services (En route) and approach control service to Copenhagen Airport.

• From the tower in Copenhagen, we provide aerodrome control service.

• From the towers in Roskilde, Billund, Aarhus, Aalborg and on Bornholm, we provide local aerodrome and approach control services.

Aeronautical Information Service (AIS)

• We provide Aeronautical Information Publications (AIPs) in Denmark, Greenland and the Faroe Islands.

Flight Information Services (FIS) in Denmark and the North Atlantic area

• From the ATCC in Copenhagen, we provide Flight Information Services and briefing service.

• From the ATCC in Nuuk/Greenland, we provide Flight Information Services and briefing service.

• From the tower on Vágar in the Faroe Islands, we provide Aerodrome Flight Information Service.

Technical support and maintenance

• We are responsible for technical support and maintenance of our own navigation systems, communications systems, surveillance systems and other ATM equipment in Denmark, Greenland and the Faroe Islands.

• From our technical bases in Copenhagen, Billund and Aalborg, we sell technical support and maintenance to aviation customers.

Type

AERONAUTICAL_INFORMATION_SERVICE_PROVIDER
AIR_TRAFFIC_SERVICE_PROVIDER
AIRPORT_OPERATOR
CIVIL_AIR_NAVIGATION_SERVICE_PROVIDER
COMMUNICATION_NAVIGATION_AND_SURVEILLANCE_SERVICE_PROVIDER
MILITARY_AIR_NAVIGATION_SERVICE_PROVIDER
NETWORK_MANAGER
PROVIDER_OF_DATA_SERVICES
REGULATED_METEOROLOGICAL_SERVICE_PROVIDER

Point of Contact

Restricted

Contact Information

Restricted

Name

Weather impacts on operation

Description

Ensure safe operations by responding to changes in weather conditions.

Name

Situational awareness

Description

Support situational awareness of flight crew members, operators, and other aviation entities based on up-to-date weather conditions (As required by ICAO Annex 3 chapter 9.1 and Regulation 373/2017), including information about radioactive clouds.

Name

Flight briefing

Description

Provide briefings based on latest weather conditions.

Name

Graphical weather representations

Description

Supply data for graphical representation of weather conditions

Name

MET reports in IWXXM GML form

Description

Providing MET reports in IWXXM GML form, as required by ICAO Annex 3 chapter 2.1

Name

Meteorological information exchange

Description

Exchange of meteorological information in aviation context, satisfying the EU Implementing Regulation 2021/116 - Common Project One, Regulation 373/2017, ICAO Annex 3 and PANS-MET.

Name

Request observed aerodrome/airspace meteorological information

Description

The service consumer can request latest METAR/SPECI and TAF reports for an aerodrome, and currently valid SIGMETs for an airspace.

Real World Effect

On-demand meteorological data acquisition

Name

Subscribe to observed aerodrome/airspace meteorological information

Description

The service consumer can subscribe/unsubscribe to latest METAR/SPECI, TAF and SIGMET reports for an aerodrome/airspace.

Real World Effect

Subscribing to meteorological data

Name

Distribute observed aerodrome/airspace meteorological information

Description

The service consumer can receive METAR/SPECI, TAF and SIGMET reports for an aerodrome/airspace continuously as they become available.

Real World Effect

Continuous meteorological data acquisition

Performance

CAPACITY

2000 service requests per hour
TIME BEHAVIOUR

2s delay for 95% of messages

Reliability

AVAILABILITY

99.95 % outside the planned outages Schedule of planned outages
RECOVERABILITY

Best effort

Security

CONFIDENTIALITY

Confidentiality mechanisms have been implemented.
INTEGRITY

Integrity mechanisms have been implemented.

General Terms and Conditions

TBD
Usage policy

Any service consumer must operate within the aviation domain. Sharing obtained information with users outside the aviation domain, without explicit authorization from the service provider is not allowed.
Real-time information

Only the latest/currently valid MET reports are available using the WS_LIGHT interface. For the AMQP interface, new reports are continuously published when available. Historical data is not retrievable.
Load restrictions

Service consumers are not allowed to impose undue loads on computer and network resources, for example, by polling at a higher frequency than the data is normally provided.
Access requirement

Users must contact Naviair to obtain access to the service.
Consumer authentication and authorization

Service consumers must be authenticated (See technical constraints)
Provider authentication

Provider is authenticated through an X.509 certificate
Confidentiality and integrity

Confidentiality and integrity is ensured by use of TLS 1.2 or above

Name

Service Desk

For reporting issues related to the service

Contact Information

[email protected]

Type

SELF_VALIDATION

Validation Steps

Self-validation by Naviair, including conformance tests against relevant standards and specifications, as well as internal test cases.

Name

SWIM

Description

Service-oriented architecture for sharing aeronautical information

Name

MET

Description

Meteorological information

Name

Filtering Capabilities

Description

It is possible to add filters for AMQP subscriptions and/or the OGC API EDR compliant WS_LIGHT service

AIRM

ATM Information Reference Model
ATM

Air Traffic Management
AMQP

Advanced Message Queuing Protocol
EACP

European Aviation Common Public Key Infrastructure
EDR

Environmental Data Retrieval (Standard)
FIR

Flight Information Region
HTTP

HyperText Transfer Protocol
ICAO

International Civil Aviation Organization
IWXXM

ICAO Meteorological Information Exchange Model
METAR

Meteorological Aerodrome Report
mTLS

Mutual Transport Layer Security
OGC

Open Geospatial Consortium
PANS-MET

ICAO Procedures for Air Navigation Services - Meteorology
SASL

Simple Authentication and Security Layer
SIGMET

Significant Meteorological Information
SPECI

Special Aerodrome Weather Report
TAF

Terminal Aerodrome Forecast

ICAO location

Data is filtered by ICAO location (aerodrome/FIR). In WS_LIGHT as a query parameter, in AMQP by queue name.

MET data retrieved from existing compliant MET systems provided by the Danish Authorities.

https://airm.aero/developers/semantic-correspondences
https://ext.eurocontrol.int/swim_confluence/display/SWIM/Example+service+description+-+information+elements

Service Information Definition
https://schemas.wmo.int/iwxxm/2023-1/

ICAO Meteorological Information Exchange Model

Client authentication and authorization

For both AMQP and WS_LIGHT, clients must authenticate using an EACP client certificate to establish a secure mTLS connection
Encryption

All communication is encrypted using TLS 1.2 or above
Message processing

Client must process the retrieved IWXXM data

Normal Conditions

The service provides an AMQP 1.0 and a WS_LIGHT based Service. The service message exchange patterns are (for REST Based WS_LIGHT Services) - SYNCHRONOUS_REQUEST_REPLY, and PUBLISH_SUBSCRIBE_WITH_PUSH_MECHANISM for AMQP services.
Problem Details for HTTP APIs

Describes the ProblemDetails format for describing errors in HTTP API responses
AMQP interface

Will publish and provide MET reports to relevant message queues as they become available.
WS_LIGHT interface

Will respond to MET report requests (provider). Errors will be returned with appropriate HTTP Status Codes and XML-formatted ProblemDetails message body.

Not available. Service is monitored by Naviair.

MET Data Subscription

Describes how to subscribe and unsubscribe to information for the AMQP Service Distribution interface
MET Data Distribution

AMQP Interface to continuously retrieve MET reports based on subscriptions
Endpoints

Restricted
- SWIM_TI_YP_1_1_AMQP_MESSAGING
  
  The Service Interface Binding is SWIM Yellow Profile Compliant, using AMQP(S) 1.0 as the messaging protocol and IWXXM 2023-1 as the data format.
- IPV4_SECURE_UNICAST
  
  The Service implementation conforms with IPV4_SECURE_UNICAST as part of SWIM Yellow Profile requirements.
MET Data Request

WS_LIGHT interface for requesting latest/currently valid MET reports
- SWIM_TI_YP_1_1_WS_LIGHT
  
  The Service Interface Binding is SWIM Yellow Profile Compliant, using WS_LIGHT enabling HTTP GET requests and associated responses in IWXXM 2023-1 format.
- IPV4_UNICAST
  
  The Service implementation conforms with IPV4_UNICAST as part of SWIM Yellow Profile requirements.

OpenAPI Specification

OpenAPI specification for the WS_LIGHT interface

MACHINE_READABLE_SERVICE_DESCRIPTION

1.0.0
Reference
- https://ekdkswim.dk/swim/met/v1/api
ICAO WXXM 3.0.0 Semantic Correspondance Report (Latest release, not released for IWXXM 2023-1)

Report detailing the semantic correspondance between IWXXM 3.0.0 and AIRM 1.0.0

AIRM_TRACE

1.0.0
Reference
- https://airm.aero/developers/semantic-correspondences/ICAO_WXXM_3.0.0_Semantic_Correspondence_Report.xlsx
Regulation (EU) 2017/373

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 [...]

POLICY_DOCUMENT

1 March 2017
Reference
- https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX%3A02017R0373-20230126
EU Implementing Regulation 2021/116 - Common Project One

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, [...]

POLICY_DOCUMENT

1 February 2021
Reference
- https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX%3A32021R0116
ICAO Annex 3

ICAO Annex 3

POLICY_DOCUMENT

20th Edition
Reference
- https://icao.int
European Aviation Common Public Key Infrastructure (EACP)

Description of the Public Key Infrastructure used for certificates

-
Reference
- https://www.eurocontrol.int/project/european-aviation-common-public-key-infrastructure-eacp
Services & APIs - User Guide

Naviair Services & APIs User Guide to be used by service consumers when implementing the service, including code examples. Available upon request.

CODE_EXAMPLE

02.00.01

Title

Problem Details for HTTP APIs

Standard Type

SERVICE_STANDARD

Conformance Statement

Fully conformant

Version

RFC7807

Description

Describes the ProblemDetails format for describing errors in HTTP API responses

Reference

https://datatracker.ietf.org/doc/html/rfc7807

Title

AMQP

Standard Type

EUROCONTROL_SPECIFICATION_FOR_SWIM_TECHNICAL_INFRASTRUCTURE

Conformance Statement

Fully conformant

Version

1.0

Description

Advanced Message Queuing Protocol

Reference

https://docs.oasis-open.org/amqp/core/v1.0/os/amqp-core-overview-v1.0-os.html

Title

OpenAPI

Standard Type

SERVICE_STANDARD

Conformance Statement

Fully conformant

Version

Description

OpenAPI Specification

Reference

https://swagger.io/specification/v3/

Title

OGC API EDR

Standard Type

SERVICE_STANDARD

Conformance Statement

Fully conformant, except filtering is limited to locationIds, and there is no 'instances' endpoint.

Version

1.1

Description

OGC API - Environmental Data Retrieval Standard

Reference

http://www.opengis.net/doc/IS/ogcapi-edr-1/1.1

Title

IWXXM METAR-SPECI Subscription and Request Service - Service Definition

Standard Type

EUROCONTROL_SPECIFICATION_FOR_SWIM_SERVICE_DESCRIPTION

Conformance Statement

Fully conformant

Version

00.00.05

Description

Service definition for the IWXXM METAR-SPECI Subscription and Request Service

Reference

https://swim-eurocontrol.atlassian.net/wiki/spaces/MSS/pages/60162182/IWXXM+METAR-SPECI+Subscription+and+Request+Service+-+Service+Definition

Title

IWXXM TAF Subscription and Request Service - Service Definition

Standard Type

EUROCONTROL_SPECIFICATION_FOR_SWIM_SERVICE_DESCRIPTION

Conformance Statement

Fully conformant

Version

00.00.04

Description

Service definition for the IWXXM TAF Subscription and Request Service

Reference

https://swim-eurocontrol.atlassian.net/wiki/spaces/MSS/pages/60162191/IWXXM+TAF+Subscription+and+Request+Service+-+Service+Definition

Title

IWXXM SIGMET Subscription and Request Service - Service Definition

Standard Type

EUROCONTROL_SPECIFICATION_FOR_SWIM_SERVICE_DESCRIPTION

Conformance Statement

Fully conformant

Version

00.00.06

Description

Service definition for the IWXXM SIGMET Subscription and Request Service

Reference

https://swim-eurocontrol.atlassian.net/wiki/spaces/MSS/pages/60162086/IWXXM+SIGMET+Subscription+and+Request+Service+-+Service+Definition

DK Danish METAR/SPECI, TAF and SIGMET (IWXXM) Subscription and Request Service v 1.1

Categorisation

Provider