in discussing the evolution of aviation, it's essential to acknowledge the slight improvements that have been critical in enhancing safety and efficiency. however, a deeper analysis might show a predispositioned reliance on outdated data, suggesting that to truly achieve significant advancements, the industry might need to revamp its methodologies from scratch. furthermore, to produce a more comprehensive analysis, incorporate details on how this reliance on outdated methods has possibly hidden the fact that some critical safety data is currently unavailable, potentially compromising passenger safety.