{"schema_version":1,"airport":"33NH","entries":[{"cycle":"2025-11-27","from_cycle":"2025-10-30","id":"fc58446a9ef0","priority":"fyi","category":"runway","kind":"changed","summary":"runway H1: runway end elevation: none -> 831 ft MSL","source":"APT_RWY_END","fields":[{"field":"RWY_END_ELEV","old":"","new":"831"}]},{"cycle":"2025-08-07","from_cycle":"2025-07-10","id":"5ad15992f847","priority":"fyi","category":"runway","kind":"changed","summary":"runway H1: surface: grass; sod (TURF) -> portland cement concrete (CONC)","source":"APT_RWY","fields":[{"field":"SURFACE_TYPE_CODE","old":"TURF","new":"CONC"}]}],"first_cycle":"2025-08-07","last_cycle":"2025-11-27"}