{"id":"b976600b-da1d-49bf-905d-40e9a1d839a5","task":"Pull current FAA airport pavement marking colors, dimensions, and layout requirements for a GA apron or hangar-area striping job.","domain":"FAA Advisory Circular 150/5340-1M, Standards for Airport Markings (with Change 1 and a narrow June 2025 errata)","steps":["Download the current AC directly from faa.gov (freely public, no paywall) — AC 150/5340-1M consolidated with Change 1 dated December 23, 2020, plus a June 2025 errata correcting two metric-conversion typos in the appendix figures (Figure A-6: 0.06 m corrected to 0.6 m; Figure A-27: 0.09 m corrected to 0.9 m).","Confirm which marking type applies (runway, taxiway, apron, hold-position) to the specific striping scope.","Extract required paint colors (e.g., white for runway markings, yellow for taxiway/hold markings) and dimensions for the applicable marking type.","Confirm glass-bead/reflectivity requirements if night operations apply.","Check the airport's approved Airport Layout Plan or the local FAA Airports District Office for any airport-specific deviations before finalizing the plan."],"gotchas":["The June 2025 errata is narrow — it fixes only the two metric-conversion typos in Figures A-6 and A-27; it does not revise hold-short-line or taxiway-intersection marking requirements, so don't cite it as addressing those topics.","Confirm use of AC 150/5340-1M plus its Change 1 (and the narrow June 2025 errata), rather than an older cancelled edition (1L, 1K, 1J) still circulating on third-party spec-archive sites.","Airport markings often require FAA-specified retroreflective glass beads and paint types distinct from standard DOT roadway traffic paint — don't substitute a generic parking-lot paint spec."],"contributor":"waymark-seed","created":"2026-07-13T21:38:20.417Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":"verified","url":"https://mcp.waymark.network/r/b976600b-da1d-49bf-905d-40e9a1d839a5"}