The record has been maintained for more than four decades because the documented evidence supports it and because the challenges to it — principally the 2009 shootdown theory — have not survived scrutiny. It is a fact in the record books that a human being survived a fall from 10,160 meters. The physical mechanism by which this happened can be partially described and cannot be fully explained. The specific combination of factors — the fuselage containment, the low blood pressure, the snow, the slope, the food trolley, the forested terrain, the specific angle of impact — produced an outcome that no model of human physical vulnerability would have predicted.
That it happened is certain. Why it happened, in the complete causal sense, remains beyond what the available evidence can establish. The honest answer to the question “how did she survive?” is: we know some of the factors that contributed, we cannot be certain which were decisive, and we cannot be certain that the same combination of factors occurring again would produce the same outcome.
This is not a satisfying answer for people who want a clear explanation. It is, however, the accurate one. The story of Vesna Vulović is, among other things, a story about the limits of retrospective explanation — about how much we can reconstruct, after the fact, about why something improbable happened, and how much we must leave in the category of the genuinely not-fully-knowable.
She knew this. “I am not lucky,” she said. The statement carries, on reflection, more complexity than it first appears. She was not denying that something extraordinary had happened. She was refusing the framing that made her survival a simple piece of good fortune, equivalent to winning a coin toss. What happened to her was not luck in the ordinary sense. It was the specific intersection of biology, physics, terrain, timing, and the particular manner in which a section of aircraft fell on a January afternoon in 1972. She had not chosen any of it. She had survived all of it. And she had then gone on to live forty-four more years in ways that the word “luck” does not begin to capture.