Open Airspace Data & REST API

The complete, citable dataset of US temporary flight restrictions. Free, attributed, public domain exports in JSON and CSV, with an open edge API for programmatic querying.

Key facts

All FAA temporary flight restrictions in the archive are US Federal Government works released into the public domain.
Available in daily JSON, daily CSV, per-year bulk packages, and via a public read-only REST API.
Permanent schema version 1.0 documented with strict type safety.

Direct Bulk Data Downloads

Full 2026 Year Bulk Archive All captured restrictions, versions, and polygon geometries in a single JSON payload.

Download JSON (Bulk 2026)

Daily Snapshot (CSV Format) Spreadsheet compatible tabular export containing active NOTAMs and coordinate centers.

Download 2026-09-23 CSV

Daily Snapshot (JSON Format) Structured GeoJSON and version diffs for all restrictions active on the target day.

Download 2026-09-23 JSON

Read-Only REST API Documentation

Cloudflare Edge Deployment

GET https://tfrarchive.org/api/lookup

Point-in-time spatial and temporal query returning active flight restrictions covering a specific location and timestamp.

Query Parameters:

lat (float, required): Latitude in decimal degrees (-90 to +90).
lon (float, required): Longitude in decimal degrees (-180 to +180).
time (ISO 8601 string, optional): Query timestamp in UTC (defaults to current time).
format (string, optional): Output format, either json (default) or certificate.

Example Request:

curl -X GET "https://tfrarchive.org/api/lookup?lat=26.6771&lon=-80.0370&time=2026-09-20T18:00:00Z"

Academic & Legal Citation Guidance

When citing records from TFR Archive in academic papers, FAA enforcement proceedings, or news publications, please use the following citation formats:

Standard Citation Format:


TFR Archive. (2026). "FAA NOTAM 6/1234: VIP Airspace Palm Beach", captured 2026-09-18. Retrieved from https://tfrarchive.org/tfr/6-1234/

Source: FAA tfr.faa.gov and System Operations NOTAM publication. Captured: 2026-09-23 23:00 UTC. Permanent record preserved by TFR Archive under public domain principles.