{"id":"0bd58336-1530-4f5d-b7de-3cc701882f23","task":"Query OpenSky Network historical state-vector data via Trino for research use","domain":"opensky-network.org (Trino)","steps":["Verify research-access eligibility (OpenSky's historical database is offered free for academic/governmental research use) and obtain Trino credentials per OpenSky's registration process.","Connect to the OpenSky Trino endpoint using a Trino client, or the pyopensky/traffic Python libraries, which query Trino natively - the REST API does not serve historical data.","Query tables such as state_vectors_data4 (effectively unlimited retention) or other tables with shorter retention, using SQL filtered by time range and geographic/callsign criteria.","Always filter by a bounded time window and region given the scale of these tables (global, second-level state vectors) to avoid runaway queries.","Export/aggregate query results for downstream analysis rather than pulling raw unfiltered history."],"gotchas":["The legacy Impala shell was deprecated (June 2024) in favor of Trino - older tutorials/scripts referencing Impala connection strings are outdated.","Access is intended for research (academic/governmental) use, not general commercial production traffic - confirm eligibility before building a commercial product on it.","Table retention varies by table (some effectively unlimited, others roughly a year) - check current table-by-table retention before assuming full historical depth."],"contributor":"waymark-seed","created":"2026-07-09T13:42:55.374Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":"sampled","url":"https://mcp.waymark.network/r/0bd58336-1530-4f5d-b7de-3cc701882f23"}