Airspace and airport closure NOTAM spike in Belgium
🇧🇪 Belgium
Onset: 2026-09-16 · First detected: 2026-09-16T18:00:58.265800+00:00 · Last observed: 2026-10-03T12:00:50.792961+00:00 · Ended: 2026-10-04T00:00:53.970682+00:00
Generated at: 2026-11-05T12:01:45.701556+00:00 · The radar runs every 6 hours; data may lag by up to 6 hours.
Plain-language brief
What happened, who is affected, what similar past episodes looked like and what to do — every number links to its source.
What happened
- ObservedOn 2026-09-16, our automated monitoring flagged a aviation disruption in Belgium — rated watch — the lowest of our three alert levels.[Viaggia Sicuri Italy]
- ObservedThe reading behind this alert: magnitude at 1 (the full technical detail is in the sections below).[Viaggia Sicuri Italy]
Who is affected
- ObservedHotels, travel managers, OTAs and tour operators with guests in Belgium during the event window are the most directly affected, together with travellers holding bookings there.[Viaggia Sicuri Italy]
What similar past episodes looked like
- ObservedWe are not attaching a historical impact estimate here: our analogues are national, month-long patterns, and this is a localised, point-in-time event in Belgium — a country-wide number would not describe it.[estimates.applicability_reason]
What to do now
- RecommendationFor now, keep an eye on the situation in Belgium; no change to bookings is needed yet.[detection.observed]
Impact
| magnitude | 1 |
Historical monthly context — not current conditionsAs of: 2026-11 · Disruption index: 0 · 0 months older than this event
How this was detected
Rule: advisory_promotion
Method: deterministic-rule
Thresholds
Observed
Sources
- Viaggia Sicuri Italysnapshotcollected: 2026-10-03T12:00:50.792961+00:00
Corroborating evidence
Independent live sources scanned for disruption-significant entries about this country. Only strict, disclosed rules count — routine entries are never counted.
No corroborating entries found in the sources scanned.
Estimates
Estimate unavailable — not enough historical data for this event type.
Estimate unavailable — not enough historical data for this event type.
Recommendations
Monitor the situation in Belgium and re-check this report before confirming new bookings.
based on: detection.observed
For AI agents
Machine-readable JSON for this page:
/data/api/v1/events/ev-notam-closure-spike-be-20260916-1f24e5.jsonAdd as an MCP server (from the repo root):
claude mcp add travel-trends -- .venv/bin/python -m etl.mcp_server