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Active airspace restrictions, TFRs, and NOTAMs.

Airspace Stream

Stream ID: airspace Update frequency: 10 minutes Required tier: Advanced (15,000 Hydra)

Live airspace restrictions including Temporary Flight Restrictions, prohibited zones, military operations areas, and significant meteorological information.

Message Types

restriction_active

Fired when a new airspace restriction is issued or detected.

{
  "stream": "airspace",
  "type": "restriction_active",
  "ts": 1710000000000,
  "data": {
    "id": "notam-LLBG-2024-001",
    "type": "TFR",
    "name": "TFR LLBG 001/24",
    "country": "IL",
    "geometry": {
      "type": "Polygon",
      "coordinates": [[[34.5, 31.8], [35.2, 31.8], [35.2, 32.4], [34.5, 32.4], [34.5, 31.8]]]
    },
    "altitudeLowerFt": 0,
    "altitudeUpperFt": 40000,
    "effectiveFrom": "2024-03-15T06:00:00Z",
    "effectiveUntil": "2024-03-15T20:00:00Z",
    "severity": 4,
    "rawText": "TFR IN EFFECT. ALL CIVIL AIRCRAFT PROHIBITED..."
  }
}

restriction_expired

Fired when an active restriction expires or is cancelled.

{
  "stream": "airspace",
  "type": "restriction_expired",
  "ts": 1710072000000,
  "data": {
    "id": "notam-LLBG-2024-001",
    "expiredAt": 1710072000000
  }
}

Schema Reference

Field Type Description
id string Unique restriction identifier
type string Restriction type (see below)
name string Official designation
country string ISO country code
geometry GeoJSON Polygon Exact airspace boundary
altitudeLowerFt number Lower boundary in feet MSL
altitudeUpperFt number Upper boundary in feet MSL
effectiveFrom string ISO 8601 start time
effectiveUntil string ISO 8601 end time
severity number 1–5 severity rating
rawText string Original NOTAM/SIGMET text

Restriction Types

Type Description
TFR Temporary Flight Restriction
PROHIBITED Permanently prohibited airspace
RESTRICTED Restricted area
DANGER Danger area
ADIZ Air Defense Identification Zone
MTR Military Training Route
SIGMET Significant Meteorological Information
AIRMET Airmen's Meteorological Information
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Note

Geometry is provided as a GeoJSON Polygon. For complex airspace shapes, this may be a simplified boundary. Always refer to official NOTAMs for operational use.