Ever plan on running an errand on the way home only to arrive home having made no stops? It happens to me all the time. People become conditioned to patterns and trying to do something different leads to mistakes. The same is true when flying. Procedures are developed and implemented to prevent and catch errors. When conditions require a change from the norm, mistakes are more likely to occur.
Its Time For GPS
Key Takeaways:
- The article argues that relying on outdated or non-precision instrument approaches (e.g., localizer-only without vertical guidance) increases aviation safety risks due to pilot conditioning and susceptibility to errors.
- It advocates for the widespread adoption of GPS approaches with vertical guidance (e.g., WAAS RNAV, LPV/LNAV/VNAV), highlighting their superior safety, consistency, and cost-effectiveness compared to traditional ILS.
- Despite offering "perfect ILS-like" guidance and being more widely available, the embrace of GPS approaches is hindered by pilot familiarity with ILS, ATC's slow prioritization, and airlines' financial hesitation in upgrading avionics.
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