{"schema_version":1,"airport":"MRN","entries":[{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"ca622d2f6cc9","priority":"ifr","category":"chart","kind":"changed","summary":"approach LOC RWY 03 redrawn (still amdt 2B)","source":"D-TPP","chart":{"code":"IAP","name":"LOC RWY 03","amdt":"2B","pdf":"https://aeronav.faa.gov/d-tpp/2609/05707L3.PDF"}},{"cycle":"2026-07-09","from_cycle":"2026-06-11","id":"9764cb58ba69","priority":"fyi","category":"runway","kind":"changed","summary":"runway 03: controlling obstacle changed (now 19 ft tall, 729 ft from threshold, 210 ft left of centerline, clearance slope 27:1)","source":"APT_RWY_END","fields":[{"field":"CNTRLN_OFFSET","old":"306","new":"210"},{"field":"DIST_FROM_THR","old":"612","new":"729"},{"field":"OBSTN_CLNC_SLOPE","old":"41","new":"27"},{"field":"OBSTN_HGT","old":"10","new":"19"}]},{"cycle":"2026-07-09","from_cycle":"2026-06-11","id":"3411565a2ade","priority":"fyi","category":"runway","kind":"changed","summary":"runway 21: controlling obstacle changed (now 26 ft tall, 458 ft from threshold, 243 ft right of centerline, clearance slope 9:1)","source":"APT_RWY_END","fields":[{"field":"CNTRLN_DIR_CODE","old":"L","new":"R"},{"field":"CNTRLN_OFFSET","old":"237","new":"243"},{"field":"DIST_FROM_THR","old":"548","new":"458"},{"field":"OBSTN_CLNC_SLOPE","old":"21","new":"9"},{"field":"OBSTN_HGT","old":"16","new":"26"}]}],"first_cycle":"2026-07-09","last_cycle":"2026-09-03"}