Why 80% of PIA A55 submissions fail, and how spatially accurate, specification-compliant documentation reduces rejection rates.
PIA A55 submissions have an unusually high rejection rate industry-wide. Figures around 80% are common, and the root cause is rarely the network design itself. It is the supporting spatial documentation.
The specification requires precise, consistent positional data and documentation formatted to an exact standard. Submissions built from spatial data of inconsistent quality (mixed CRS, imprecise digitisation, incomplete attribution) fail the review regardless of how sound the underlying network plan is.
Treating PIA A55 documentation as a spatial-data-quality problem, rather than a paperwork problem, changes the fix: validate positional accuracy against the specification's tolerance before submission, standardise every input to a single CRS, and check attribute completeness against the exact fields the specification requires.
Submissions prepared this way go through review in a single pass far more often than the industry-average rejection rate would suggest is possible: the accuracy bar was always achievable, it just was not being checked before submission.
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