{"schema":"track-plane-crash.incidents.v1","generatedAt":"2026-07-05T06:21:23.764Z","sourcePolicy":"Rows expose source URLs and verification status. Recent events do not include final-cause language.","data":{"slug":"tenerife-airport-disaster-1977","title":"Tenerife Airport Disaster","date":"1977-03-27","location":"Los Rodeos Airport, Tenerife","country":"Spain","aircraft":"Boeing 747-206B and Boeing 747-121","operator":"KLM and Pan Am","fatalities":583,"survivors":61,"category":"runway-collision","fameTags":["deadliest","runway","boeing-747","air-traffic-control"],"safetyThemes":["runway incursion","fog","radio phraseology","crew resource management"],"riskVector":{"weather":81,"humanFactors":94,"mechanical":3,"terrain":8,"operationalControl":91},"medianContext":[{"label":"Historical severity","value":"Deadliest aviation accident","explanation":"The benchmark event for runway collision safety lessons."},{"label":"Training value","value":"Extreme","explanation":"Still used to explain CRM, phraseology, fog operations, and runway occupancy discipline."},{"label":"Source status","value":"Official report available","explanation":"A final accident report is available through FAA-hosted archival material."}],"summary":"Two Boeing 747s, KLM Flight 4805 and Pan Am Flight 1736, collided on the runway at Tenerife in dense fog. The accident killed 583 people and remains the deadliest aviation accident.","safetyReadout":"This page should make the operational chain legible: diversion pressure, congestion, fog, radio ambiguity, runway occupancy, and crew authority gradients.","insuranceSignal":"Useful for airport liability, runway incursion risk, mass-fatality accumulation, and historical severity benchmarking.","verificationStatus":"official-final","sources":[{"name":"FAA-hosted Dutch final report","url":"https://www.faasafety.gov/files/gslac/courses/content/232/1081/finaldutchreport.pdf","type":"official","note":"Archival final report material for the Tenerife collision."},{"name":"FAA Spanish findings PDF","url":"https://www.faa.gov/sites/faa.gov/files/2022-11/Spanish_Findings_0.pdf","type":"official","note":"FAA-hosted Spanish findings with primary-cause language."}]}}