LAUFEY OVERWATCH

Pilot location is generalized and never stored.

A push-service acceptance proves the send path, not that a person saw the notification. On iPhone, install the site to the Home Screen before enabling push.

LIVE

Connected and receiving current data.

LIVE-EMPTY

Connected and healthy — nothing to report right now (for example, no aircraft inside the ring). Empty is a finding, not a failure.

SAMPLED

Intentionally intermittent — the vessel feed. The source is heard in windows with gaps between them, by design: a lighthouse sweep, not a continuous stare.

STALE

The feed was reporting and stopped. The age shown is the time since its last successful report.

ERROR

The last attempt failed; the provider’s reason is shown with it. Nothing is ever drawn from invented data while a feed is in ERROR.

FAA rate limit

The LAANC airspace grid comes from the FAA’s public UAS Facility Maps service, which limits how often it will answer. Asked too quickly it temporarily refuses (“Too many requests”) and clears on its own schedule. Only the grid layer is affected; the grid is reference context, not an authorization.

Vessel departures

“No vessel shown” never establishes that no vessel is present. A vessel is recorded as departed only after it has been absent for more than 30 minutes while the feed was receiving.

Retention

Observations are kept 7 days and alerts 30 days, then deleted automatically. Incident reports are the permanent record and are never edited after generation.

Incident report integrity

At generation, each report is fingerprinted with SHA-256 over its exact contents. The fingerprint is printed on the report and stored twice: in the report record and in a separate audit record. Any later change to the stored report — even one character — breaks the fingerprint match. Anyone holding a report can check it at app.laufey.si/verify.html; the check reveals nothing about the contents. Reports generated before fingerprinting carry a fingerprint recorded later, labeled with its recording time; it covers the contents exactly as stored at that time.