In 1971, the regulatory framework for commercial aviation in Peru — and in many other developing countries — was less robust than it would become in subsequent decades. The International Civil Aviation Organization (ICAO) had established standards for aviation safety, but the implementation and enforcement of those standards varied significantly across national contexts. An airline like LANSA, operating in Peru in the 1960s and early 1970s, was subject to regulation in theory; the effectiveness of that regulation in practice is evident from the accident record.
Three fatal accidents in five years, with a combined death toll exceeding 240 people, did not ground LANSA before Flight 508. This is not a statement about regulatory malice or negligence in any individual case. It is a statement about the systemic difficulty of grounding operating airlines — airlines with schedules, contracts, employees, shareholders, and political connections — on the basis of safety concerns that have not yet crystallized into the specific fatal accident that, in retrospect, the record predicted.
The aviation industry after the 1970s developed increasingly sophisticated safety management systems designed to identify and address systemic risk factors before they produce accidents. Accident investigation, near-miss reporting, crew resource management training, and regulatory oversight systems have all developed substantially since 1971. Whether any of these systems, applied to LANSA’s record, would have grounded it before December 24, 1971, is a counterfactual that cannot be evaluated with certainty. What can be said is that the systems that exist today did not exist in 1971, and their absence was part of the context in which the Christmas Eve crash became possible.