DTN Sierra (IFR) AIRMET API

openapi: 3.2.0
info:
  title: Dtn Sierra (IFR) AIRMET API
  version: '1.0'
  description: 'Operations tagged Sierra (IFR) AIRMET across 2 of this provider''s published API definitions: dtn-sigmets-airmets-openapi.json, dtn-websocket-api-openapi.json. Each path carries the servers of the definition it was published in.'
servers:
- url: https://aviation.api.dtn.com
security:
- clientCredentials: []
tags:
- name: Sierra (IFR) AIRMET
  description: On demand Sierra (IFR) AIRMETs via API
paths:
  /v1/sierraAirmets/:
    get:
      tags:
      - Sierra (IFR) AIRMET
      summary: Get active Sierra (IFR) AIRMETs
      description: Get all available Sierra (IFR) AIRMETs, potentially filtered by various query parameters.  All specified filter parameters must be satisfied for an object to be returned in the response.
      responses:
        '200':
          $ref: '#/components/responses/SierraAirmetSuccess'
        '400':
          $ref: '#/components/responses/SierraAirmetBadRequest'
        '401':
          $ref: '#/components/responses/ErrorUnauthorized'
      parameters:
      - $ref: '#/components/parameters/QueryOffset'
      - $ref: '#/components/parameters/QueryLimit'
      - $ref: '#/components/parameters/QueryAirmetUnitSystem'
      - $ref: '#/components/parameters/QueryBbox'
      - $ref: '#/components/parameters/QueryPolygon'
      - $ref: '#/components/parameters/QueryCircle'
      - $ref: '#/components/parameters/QueryCorridor'
      - $ref: '#/components/parameters/QueryGeometry'
      - $ref: '#/components/parameters/QueryIntersection'
      - $ref: '#/components/parameters/QuerySrid'
      - $ref: '#/components/parameters/QueryDistanceUnits'
      - $ref: '#/components/parameters/QueryIsValidAt'
      - $ref: '#/components/parameters/QueryFromDateTime'
      - $ref: '#/components/parameters/QueryUntilDateTime'
      - $ref: '#/components/parameters/QueryInsertedAfter'
      - $ref: '#/components/parameters/QueryInsertedThrough'
      - $ref: '#/components/parameters/QueryMessageTypes'
      security:
      - clientCredentials: []
    servers:
    - url: https://aviation.api.dtn.com
components:
  schemas:
    Meta:
      title: Meta
      description: Meta data attached to every response
      required:
      - name
      - request_id
      - start_timestamp
      - end_timestamp
      - execution_time
      type: object
      properties:
        name:
          type: string
        request_id:
          type: string
        start_timestamp:
          type: integer
        end_timestamp:
          type: integer
        execution_time:
          type: integer
    SierraAirmetItem:
      type: object
      required:
      - validDateTime
      - expirationDateTime
      - insertedDateTime
      - messageType
      - messageTxt
      - topLevel
      - bottomLevel
      properties:
        validDateTime:
          type: string
          format: date-time
        expirationDateTime:
          type: string
          format: date-time
        insertedDateTime:
          type: string
          format: date-time
        messageType:
          type: string
        messageTxt:
          type: string
        topLevel:
          type:
          - number
          - 'null'
        bottomLevel:
          type:
          - number
          - 'null'
    GeoJsonObject:
      description: 'GeoJSon object The coordinate reference system for all GeoJSON coordinates is a geographic coordinate reference system, using the World Geodetic System 1984 (WGS 84) datum, with longitude and latitude units of decimal degrees. This is equivalent to the coordinate reference system identified by the Open Geospatial Consortium (OGC) URN An OPTIONAL third-position element SHALL be the height in meters above or below the WGS 84 reference ellipsoid. In the absence of elevation values, applications sensitive to height or depth SHOULD interpret positions as being at local ground or sea level.

        '
      externalDocs:
        url: https://tools.ietf.org/html/rfc7946#section-3
      type: object
      properties:
        type:
          type: string
          enum:
          - Feature
          - FeatureCollection
          - Point
          - MultiPoint
          - LineString
          - MultiLineString
          - Polygon
          - MultiPolygon
          - GeometryCollection
        bbox:
          description: 'A GeoJSON object MAY have a member named "bbox" to include information on the coordinate range for its Geometries, Features, or FeatureCollections. The value of the bbox member MUST be an array of length 2*n where n is the number of dimensions represented in the contained geometries, with all axes of the most southwesterly point followed by all axes of the more northeasterly point. The axes order of a bbox follows the axes order of geometries.

            '
          type: array
          items:
            type: number
      required:
      - type
      discriminator:
        propertyName: type
    Geometry:
      type: object
      description: GeoJSon geometry
      discriminator:
        propertyName: type
      required:
      - type
      externalDocs:
        url: http://geojson.org/geojson-spec.html#geometry-objects
      properties:
        type:
          type: string
          enum:
          - Point
          - LineString
          - Polygon
          - MultiPoint
          - MultiLineString
          - MultiPolygon
          description: the geometry type
    SierraAirmetFeature:
      description: GeoJSon 'Feature' object
      externalDocs:
        url: https://tools.ietf.org/html/rfc7946#section-3.2
      allOf:
      - $ref: '#/components/schemas/GeoJsonObject'
      - type: object
        required:
        - geometry
        - properties
        properties:
          geometry:
            allOf:
            - {}
            - $ref: '#/components/schemas/Geometry'
          properties:
            $ref: '#/components/schemas/SierraAirmetItem'
          id:
            oneOf:
            - type: number
            - type: string
    Error:
      title: Error
      description: Error
      required:
      - type
      - title
      - status
      - detail
      - meta
      type: object
      properties:
        url:
          type: string
        type:
          enum:
          - internal-server-error
          - unauthorized
          - bad-request
          - service-unavailable
          - forbidden
          - not-found
          type: string
        title:
          type: string
        status:
          type: number
        detail:
          type: string
        instance:
          type: string
        errors:
          type: array
          items:
            type: object
        meta:
          $ref: '#/components/schemas/Meta'
    SierraAirmetFeatureCollection:
      description: GeoJSon 'FeatureCollection' object
      externalDocs:
        url: https://tools.ietf.org/html/rfc7946#section-3.3
      allOf:
      - $ref: '#/components/schemas/GeoJsonObject'
      - type: object
        required:
        - features
        properties:
          features:
            type: array
            items:
              $ref: '#/components/schemas/SierraAirmetFeature'
    SierraAirmetItem_2:
      type: object
      required:
      - validDateTime
      - expirationDateTime
      - messageType
      - messageTxt
      - topLevel
      - bottomLevel
      properties:
        validDateTime:
          type: string
          format: date-time
        expirationDateTime:
          type: string
          format: date-time
        messageType:
          type: string
        messageTxt:
          type: string
        topLevel:
          type:
          - number
          - 'null'
        bottomLevel:
          type:
          - number
          - 'null'
  parameters:
    QueryMessageTypes:
      name: messageTypes
      description: Comma-separated list of message type values.  Must match specified allowed values.  Limits to objects whose `messageType` value matches one of specified parameter values.
      in: query
      required: false
      explode: false
      schema:
        type: array
        items:
          type: string
          enum:
          - IFR
          - MTN OBSC
          - SFC WIND
    QueryAirmetUnitSystem:
      name: unitSystem
      description: 'Identifier for units system used for numerical output values in AIRMET data.  Must be either `default` or `metric`.  Default is `default`.  Field units depending on unit system:<br>                * `topLevel`: default=`ft`, metric=`m`<br>                * `bottomLevel`: default=`ft`, metric=`m`'
      in: query
      required: false
      explode: false
      schema:
        type: string
        enum:
        - default
        - metric
        default: default
    QueryInsertedThrough:
      name: insertedThrough
      description: UTC timestamp in format `YYYY-MM-DD hh:mm:ss.fff`.  Limits to objects whose `insertedDateTime` is not later than that specified value.  This allows to acquire only data that became available through this time.  Requires use of fractional seconds for full precision.  Allowed values relative to the current time vary depending on the data type.  A data insertion time value being accepted through this parameter does not mean there will be applicable data to return in response.
      in: query
      required: false
      schema:
        type: string
        pattern: ^\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2}(\.\d+)?
    QueryInsertedAfter:
      name: insertedAfter
      description: UTC timestamp in format `YYYY-MM-DD hh:mm:ss.fff`.  Limits to objects whose `insertedDateTime` is later than that specified value.  This allows to acquire only data that became available after this time.  Requires use of fractional seconds for full precision.  Allowed values relative to the current time vary depending on the data type.  A data insertion time value being accepted through this parameter does not mean there will be applicable data to return in response.
      in: query
      required: false
      schema:
        type: string
        pattern: ^\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2}(\.\d+)?
    QueryLimit:
      name: limit
      description: Provide no more than this many items in the response set.
      in: query
      required: false
      schema:
        type: integer
        default: 1000
        minimum: 1
        maximum: 10000
    QueryIsValidAt:
      name: isValidAt
      description: UTC timestamp in format `YYYY-MM-DD hh:mm:ss`.  Limits to objects whose `validDateTime` is not earlier than the specified value and whose `expirationDateTime` is later than that specified value.  Allowed values relative to the current time vary depending on the data type.  A valid time value being accepted through this parameter does not mean there will be applicable data to return in response.
      in: query
      required: false
      schema:
        type: string
        pattern: ^\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2}
    QueryCircle:
      name: circle
      description: Circle coordinates and radius distance in the format `<X>,<Y>,<RADIUS>`.  The `X,Y` coordinates must be consistent with the `srid` (`4326` for longitude/latitude by default).  The `<RADIUS>` defines the distance (in default or `distanceUnits`-specified units) from the defined point.  Limits to objects within or intersecting the area so defined.  No more than one of `bbox`, `polygon`, `circle`, and `corridor` may be used in one request.  Requests with circle definition of area that crosses antimeridian will fail.  The larger the defined area, the more its shape on projected map will differ from true circle on spherical coordinates.  Maximum allowed <RADIUS> is 400nm (and equal lengths for different `distanceUnits`).
      in: query
      required: false
      schema:
        type: string
    QueryBbox:
      name: bbox
      description: Bounding box coordinates in the format `<min_X>,<min_Y>,<max_X>,<max_Y>`.  The `X,Y` coordinates must be consistent with the `srid` (`4326` for longitude/latitude by default).  Limits to objects within or intersecting the area so defined.  No more than one of `bbox`, `polygon`, `circle`, and `corridor` may be used in one request.  Requests with bbox definition of area that crosses antimeridian will fail.
      in: query
      required: false
      schema:
        type: string
    QueryIntersection:
      name: intersection
      description: 'Boolean indicator for constraining object geometries to spatial filter coverage.  If true, object shapes will be truncated at the bounds of the spatial filter.  NOTE: Over large areas and if intersecting the antimeridian the results will likely be inaccurate.'
      in: query
      required: false
      schema:
        type: boolean
        default: false
    QueryUntilDateTime:
      name: untilDateTime
      description: UTC timestamp in format `YYYY-MM-DD hh:mm:ss`.  Limits to objects whose `validDateTime` is earlier than the specified value, i.e., only objects that began before this time.  Allowed values relative to the current time vary depending on the data type.  A time value being accepted through this parameter does not mean there will be applicable data to return in response.
      in: query
      required: false
      schema:
        type: string
        pattern: ^\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2}
    QueryPolygon:
      name: polygon
      description: Polygon coordinates in the format `<X_0>,<Y_0>,<X_1>,<Y_1>...,<X_n>,<Y_n>`.  The `X,Y` coordinates must be consistent with the `srid` (`4326` for longitude/latitude by default).  Must provide between 3 and 40 coordinates.  If the last `X,Y` does not match the first `X,Y`, the first `X,Y` is copied to the end to close the polygon.  Limits to objects within or intersecting the area so defined.  No more than one of `bbox`, `polygon`, `circle`, and `corridor` may be used in one request.  Requests with polygon definition of area that crosses antimeridian will fail or give unexpected results.
      in: query
      required: false
      schema:
        type: string
    QueryOffset:
      name: offset
      description: Skip over this many into the response set; used for paginated results.
      in: query
      required: false
      schema:
        type: integer
        default: 0
    QueryFromDateTime:
      name: fromDateTime
      description: UTC timestamp in format `YYYY-MM-DD hh:mm:ss`.  Limits to objects whose `expirationDateTime` is later than that specified value, i.e., only objects not ended by this time.  Allowed values relative to the current time vary depending on the data type.  A time value being accepted through this parameter does not mean there will be applicable data to return in response.
      in: query
      required: false
      schema:
        type: string
        pattern: ^\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2}
    QueryGeometry:
      name: geometry
      description: Boolean indicator for inclusion of Geometry in response.  If false, geometry will be returned empty.
      in: query
      required: false
      schema:
        type: boolean
        default: true
    QuerySrid:
      name: srid
      description: SRID Identifier for coordinate system for spatial filter coordinates.  Default is 4326 (i.e., ordinary longitude & latitude in degrees).
      in: query
      required: false
      explode: false
      schema:
        type: integer
        enum:
        - 4326
        - 3857
        default: 4326
    QueryCorridor:
      name: corridor
      description: Line coordinates and distance from the line in the format `<X_0>,<Y_0>,<X_1>,<Y_1>...,<X_n>,<Y_n>,<HALFWIDTH>`.  The `X,Y` coordinates must be consistent with the `srid` (`4326` for longitude/latitude by default).  Must provide between 2 and 40 coordinates for the line.  The `<HALFWIDTH>` defines the distance (in default or `distanceUnits`-specified units) from the line defined by the coordinates out to which to create encompassing shape.  Limits to objects within or intersecting the area so defined.  No more than one of `bbox`, `polygon`, `circle`, and `corridor` may be used in one request.  Requests with corridor definition of area that crosses antimeridian will fail or give unexpected results.  The larger the defined area, the more its shape on projected map will differ from true corridor on spherical coordinates.  Maximum allowed <HALFWIDTH> is 200nm (and equal lengths for different `distanceUnits`).
      in: query
      required: false
      schema:
        type: string
    QueryDistanceUnits:
      name: distanceUnits
      description: Units identifier for distances in definition for circle or corridor spatial filter.  Default is `nm` (nautical miles).
      in: query
      required: false
      schema:
        type: string
        enum:
        - nm
        - km
        - m
        - sm
        default: nm
    QueryMessageTypes_2:
      name: messageTypes
      description: Comma-separated list of messageType values.  Must match specified allowed values.  Limits to objects whose `messageType` value matches one of specified parameter values.
      in: query
      required: false
      explode: false
      schema:
        type: array
        items:
          type: string
          enum:
          - IFR
          - MTN OBSC
          - SFC WIND
    QuerySigmetUnitSystem:
      name: unitSystem
      description: "Identifer for units system used for numerical output values.  Must be either `default` or `metric`.  Default is `default`.\n                * `topLevel`: default=`ft`, metric=`m`\n                * `bottomLevel`: default=`ft`, metric=`m`"
      in: query
      required: false
      explode: false
      schema:
        type: string
        enum:
        - default
        - metric
        default: default
    QueryLimit_2:
      name: limit
      description: Provide no more than this many items in the response set.  Default = 1000
      in: query
      required: false
      schema:
        type: integer
        default: 1000
        minimum: 1
        maximum: 10000
    QueryIsValidAt_2:
      name: isValidAt
      description: UTC timestamp in format `YYYY-MM-DD hh:mm:ss`.  Limits to objects whose validDateTime is not earlier than the specified value and whose expirationDateTime is later than that specified value.
      in: query
      required: false
      schema:
        type: string
        pattern: ^\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2}
    QueryBbox_2:
      name: bbox
      description: Bounding box coordinates in the format `<min_X>,<min_Y>,<max_X>,<max_Y>`.  The `X,Y` corridinates must be consistent with the `srid` (`4326` for longitude/latitude by default).  Limits to objects within or intersecting the area so defined.  No more than one of `bbox`, `polygon`, `circle`, and `corridor` may be used in one request.
      in: query
      required: false
      schema:
        type: string
    QueryCircle_2:
      name: circle
      description: Circle coordinates and radius distance in the format `<X>,<Y>,<RADIUS>`.  The `X,Y` corridinates must be consistent with the `srid` (`4326` for longitude/latitude by default).  The `<RADIUS>` defines the distance (in default or `distanceUnits`-specified units) from the defined point.  Limits to objects within or intersecting the area so defined.  No more than one of `bbox`, `polygon`, `circle`, and `corridor` may be used in one request.
      in: query
      required: false
      schema:
        type: string
    QueryUntilDateTime_2:
      name: untilDateTime
      description: UTC timestamp in format `YYYY-MM-DD hh:mm:ss`.  Limits to objects whose validDateTime is earlier than the specified value, i.e., only objects that began before this time.
      in: query
      required: false
      schema:
        type: string
        pattern: ^\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2}
    QueryPolygon_2:
      name: polygon
      description: Polygon coordinates in the format `<X_0>,<Y_0>,<X_1>,<Y_1>...,<X_n>,<Y_n>`.  The `X,Y` corridinates must be consistent with the `srid` (`4326` for longitude/latitude by default).  If the last `X,Y` does not match the first `X,Y`, the first `X,Y` is copied to the end to close the polygon.  Limits to objects within or intersecting the area so defined.  No more than one of `bbox`, `polygon`, `circle`, and `corridor` may be used in one request.
      in: query
      required: false
      schema:
        type: string
    QueryOffset_2:
      name: offset
      description: Skip over this many into the response set; used for paginated results.  Default = 0
      in: query
      required: false
      schema:
        type: integer
        default: 0
    QueryFromDateTime_2:
      name: fromDateTime
      description: UTC timestamp in format `YYYY-MM-DD hh:mm:ss`.  Limits to objects whose expirationDateTime is later than that specified value, i.e., only objects not ended by this time.
      in: query
      required: false
      schema:
        type: string
        pattern: ^\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2}
    QuerySrid_2:
      name: srid
      description: SRID identifer for coordinate system for spatial filter coordinates.  Default is 4326 (i.e., ordinary longitude & latitude in degrees).
      in: query
      required: false
      explode: false
      schema:
        type: integer
        enum:
        - 4326
        - 3857
        default: 4326
    QueryCorridor_2:
      name: corridor
      description: Line coordinates and distance from the line in the format `<X_0>,<Y_0>,<X_1>,<Y_1>...,<X_n>,<Y_n>,<HALFWIDTH>`.  The `X,Y` corridinates must be consistent with the `srid` (`4326` for longitude/latitude by default).  The `<HALFWIDTH>` defines the distance (in default or `distanceUnits`-specified units) from the line defined by the corridates out to which to create encompassing shape.  Limits to objects within or intersecting the area so defined.  No more than one of `bbox`, `polygon`, `circle`, and `corridor` may be used in one request.
      in: query
      required: false
      schema:
        type: string
  responses:
    ErrorUnauthorized:
      description: Unauthorized
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
          example:
            type: unauthorized
            title: Error while authenticating the user
            status: 401
            detail: Missing Authorization token.
            instance: urn:dtn:aviation-api:/v1/notams/KIND:requestId:19e1b83a-cb2e-4460-b687-ce9d0c50b4b6
            meta:
              name: v1.notams.KIND
              uuid: d64fc634-9bee-430d-8ab1-200337e6e9b2
              request_id: 19e1b83a-cb2e-4460-b687-ce9d0c50b4b6
              start_timestamp: 1714019217213
              end_timestamp: 1714019217246
              execution_time: 33
    SierraAirmetBadRequest:
      description: Bad Request
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
          examples:
            BadRequest:
              $ref: '#/components/examples/SierraAirmetBadRequestResponse'
    SierraAirmetSuccess:
      description: Successful
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/SierraAirmetFeatureCollection'
          examples:
            Success:
              $ref: '#/components/examples/SierraAirmetSuccessResponse'
  examples:
    SierraAirmetBadRequestResponse:
      value:
        url: https://aviation.api.dtn.com/v1/sierraAirmets/?limit=5&circle=-13124567.965,4150299.834,200&distanceUnits=km&srid=900913
        type: bad-request
        title: Invalid Request
        status: 400
        detail: Validation failed.
        instance: urn:dtn:aviation-api:/v1/sierraAirmets/:requestId:a6b34099-4766-4fbe-8bfb-eb86a01196ab
        errors:
        - message: SRID must be one of '4326' (default), '3857'
          parameter: srid
          value: 900913
        - message: X dimension value outside bounds for SRID, e.g., longitude <-180 or >180 for default SRID 4326
          parameter: circle
          value: -13124567.965,4150299.834,200
        meta:
          name: v1.sierraAirmets.?limit=5&circle=-13124567.965,4150299.834,200&distanceUnits=km&srid=900913
          uuid: 008747e1-2eac-4ebf-af44-c5cea73d943d
          request_id: a6b34099-4766-4fbe-8bfb-eb86a01196ab
          start_timestamp: 1722008802117
          end_timestamp: 1722008802137
          execution_time: 20
    SierraAirmetSuccessResponse:
      value:
        url: https://aviation.api.dtn.com/v1/sierraAirmets/?limit=5&circle=-13124567.965,4150299.834,200&distanceUnits=km&srid=3857
        type: FeatureCollection
        features:
        - type: Feature
          geometry:
            type: Polygon
            coordinates:
            - - - -116.273
                - 39.5125
              - - -113.776
                - 38.0503
              - - -114.764
                - 37.4726
              - - -115.717
                - 36.5436
              - - -116.08
                - 35.7513
              - - -117.998
                - 34.7054
              - - -118.699
                - 35.6038
              - - -118.545
                - 36.8703
              - - -117.336
                - 38.7621
              - - -116.273
                - 39.5125
          properties:
            messageType: MTN OBSC
            messageTxt: AIRMET MTN OBSCN...NV UT CA  \nFROM 70SSE BAM TO 30ESE ILC TO 50SSW ILC TO 40NW LAS TO 50WSW  \nLAS TO 50NNE LAX TO 20ENE EHF TO 60E CZQ TO 50NNE OAL TO 70SSE  \nBAM  \nMTNS OBSC BY FU/HZ. CONDS CONTG BYD 21Z THRU 03Z.  \n.  \n
            validDateTime: '2024-07-26T14:45:00.000Z'
            expirationDateTime: '2024-07-26T21:00:00.000Z'
            insertedDateTime: '2024-07-26T14:42:07.518Z'
            topLevel: null
            bottomLevel: null
        - type: Feature
          geometry:
            type: Polygon
            coordinates:
            - - - -116.273
                - 39.5125
              - - -113.776
                - 38.0503
              - - -114.764
                - 37.4726
              - - -115.717
                - 36.5436
              - - -116.08
                - 35.7513
              - - -117.998
                - 34.7054
              - - -118.699
                - 35.6038
              - - -118.545
                - 36.8703
              - - -117.336
                - 38.7621
              - - -116.273
                - 39.5125
          properties:
            messageType: MTN OBSC
            messageTxt: AIRMET MTN OBSCN...CA NV UT  \nFROM 70SSE BAM TO 30ESE ILC TO 50SSW ILC TO 40NW LAS TO 50WSW  \nLAS TO 50NNE LAX TO 20ENE EHF TO 60E CZQ TO 50NNE OAL TO 70SSE  \nBAM  \nMTNS OBSC BY FU/HZ. CONDS CONTG BYD 21Z THRU 03Z.  \n.  \n
            validDateTime: '2024-07-26T14:45:00.000Z'
            expirationDateTime: '2024-07-26T21:00:00.000Z'
            insertedDateTime: '2024-07-26T14:42:07.756Z'
            topLevel: null
            bottomLevel: null
        - type: Feature
          geometry:
            type: Polygon
            coordinates:
            - - - -122.421
                - 38.0756
              - - -119.654
                - 35.0043
              - - -118.015
                - 34.0633
              - - -116.815
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              - - -117.513
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              - - -120.21
                - 30.1503
              - - -123.457
                - 35.1101
              - - -123.587
                - 37.4851
              - - -122.421
                - 38.0756
          properties:
            messageType: IFR
            messageTxt: AIRMET IFR...CA AND CSTL WTRS  \nFROM 20E PYE TO 40SW EHF TO 20ENE LAX TO 20E MZB TO 40SSW MZB TO  \n220SW MZB TO 130SW SNS TO 50SW PYE TO 20E PYE  \nCIG BLW 010/VIS BLW 3SM BR/FG. CONDS CONTG BYD 21Z THRU 03Z.  \n.  \n
            validDateTime: '2024-07-26T14:45:00.000Z'
            expirationDateTime: '2024-07-26T21:00:00.000Z'
            insertedDateTime: '2024-07-26T14:42:07.972Z'
            topLevel: null
            bottomLevel: null
        meta:
          name: v1.sierraAirmets.?limit=5&circle=-13124567.965,4150299.834,200&distanceUnits=km&srid=3857
          uuid: 343a92b6-faef-4670-9c68-f2e93c54b2ce
          request_id: 87f02fea-1f75-4196-a854-e3b61e994214
          start_timestamp: 1722008314797
          end_timestamp: 1722008316123
          execution_time: 1326
    SierraAirmetSuccessResponse_2:
      value:
        url: https://aviation.api.dtn.com/v1/sierraAirmets/?limit=5&circle=-13124567.965,4150299.834,200&distanceUnits=km&srid=3857
        type: FeatureCollection
        features:
        - type: Feature
          geometry:
            type: Polygon
            coordinates:
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                - 39.5125
              - - -113.776
                - 38.0503
              - - -114.764
                - 37.4726
              - - -115.717
                - 36.5436
              - - -116.08
                - 35.7513
              - - -117.998
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              - - -118.545
                - 36.8703
              - - -117.336
                - 38.7621
              - - -116.273
                - 39.5125
          properties:
            messageType: MTN OBSC
            messageTxt: AIRMET MTN OBSCN...NV UT CA  \nFROM 70SSE BAM TO 30ESE ILC TO 50SSW ILC TO 40NW LAS TO 50WSW  \nLAS TO 50NNE LAX TO 20ENE EHF TO 60E CZQ TO 50NNE OAL TO 70SSE  \nBAM  \nMTNS OBSC BY FU/HZ. CONDS CONTG BYD 21Z THRU 03Z.  \n.  \n
            validDateTime: '2024-07-26T14:45:00.000Z'
            expirationDateTime: '2024-07-26T21:00:00.000Z'
            topLevel: null
            bottomLevel: null
        - type: Feature
          geometry:
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                - 36.8703
              - - -117.336
                - 38.7621
              - - -116.273
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          properties:
            messageType: MTN OBSC
            messageTxt: AIRMET MTN OBSCN...CA NV UT  \nFROM 70SSE BAM TO 30ESE ILC TO 50SSW ILC TO 40NW LAS TO 50WSW  \nLAS TO 50NNE LAX TO 20ENE EHF TO 60E CZQ TO 50NNE OAL TO 70SSE  \nBAM  \nMTNS OBSC BY FU/HZ. CONDS CONTG BYD 21Z THRU 03Z.  \n.  \n
            validDateTime: '2024-07-26T14:45:00.000Z'
            expirationDateTime: '2024-07-26T21:00:00.000Z'
            topLevel: null
            bottomLevel: null
        - type: Feature
          geometry:
            type: Polygon
            coordinates:
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              - - -119.654
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              - - -123.457
                - 35.1101
              - - -123.587
                - 37.4851
              - - -122.421
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          properties:
            messageType: IFR
            messageTxt: AIRMET IFR...CA AND CSTL WTRS  \nFROM 20E PYE TO 40SW EHF TO 20ENE LAX TO 20E MZB TO 40SSW MZB TO  \n220SW MZB TO 130SW SNS TO 50SW PYE TO 20E PYE  \nCIG BLW 010/VIS BLW 3SM BR/FG. CONDS CONTG BYD 21Z THRU 03Z.  \n.  \n
            validDateTime: '2024-07-26T14:45:00.000Z'
            expirationDateTime: '2024-07-26T21:00:00.000Z'
            topLevel: null
            bottomLevel: null
        meta:
          name: v1.sierraAirmets.?limit=5&circle=-13124567.965,4150299.834,200&distanceUnits=km&srid=3857
          uuid: 343a92b6-faef-4670-9c68-f2e93c54b2ce
          request_id: 87f02fea-1f75-4196-a854-e3b61e994214
          start_timestamp: 1722008314797
          end_timestamp: 1722008316123
          execution_time: 1326
  securitySchemes:
    clientCredentials:
      type: oauth2
      x-receive-token-in: request-body
      flows:
        clientCredentials:
          tokenUrl: https://api.auth.dtn.com/v1/tokens/authorize
      description: "# Using DAIS for M2M/API Auth\nYou have been given a Client ID and a Client Secret, which are used to request a DTN Access Token. DTN Access Tokens are required when making calls to each and every DTN API endpoint. The following information provides additional details on these tokens and how they are gen

# --- truncated at 32 KB (44 KB total) ---
# Full source: https://raw.githubusercontent.com/api-evangelist/dtn/refs/heads/main/openapi/dtn-sierra-ifr-airmet-api-openapi.yml