{"schema_version":1,"airport":"GRN","entries":[{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"686828e80762","priority":"ifr","category":"chart","kind":"changed","summary":"approach NDB RWY 22 redrawn (still amdt 4C)","source":"D-TPP","chart":{"code":"IAP","name":"NDB RWY 22","amdt":"4C","pdf":"https://aeronav.faa.gov/d-tpp/2609/06370N22.PDF"}},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"492a60b9c7bf","priority":"fyi","category":"remark","kind":"added","summary":"new remark: RWY 11/29 MARKINGS FADED AND OBSCURED BY PATCHES AND CRACKS","source":"APT_RMK","original":"RWY 11/29 MARKINGS FADED AND OBSCURED BY PATCHES AND CRACKS"},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"2779b630936a","priority":"fyi","category":"airport","kind":"changed","summary":"services: dropped pilot instruction (INSTR)","source":"APT_BASE","fields":[{"field":"OTHER_SERVICES","old":"INSTR","new":""}]},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"e7c33d6c038b","priority":"fyi","category":"remark","kind":"removed","summary":"remark removed: INSTR PART-TIME; HANGAR OVERNIGHT; COURTESY CAR.","source":"APT_RMK","original":"INSTR PART-TIME; HANGAR OVERNIGHT; COURTESY CAR."},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"ee0d042fed06","priority":"fyi","category":"runway","kind":"changed","summary":"runway 04: controlling obstacle changed (now , clearance slope 20:1); controlling obstacle: TREES -> none","source":"APT_RWY_END","fields":[{"field":"CNTRLN_DIR_CODE","old":"R","new":""},{"field":"CNTRLN_OFFSET","old":"197","new":""},{"field":"DIST_FROM_THR","old":"1213","new":""},{"field":"OBSTN_CLNC_SLOPE","old":"17","new":"20"},{"field":"OBSTN_HGT","old":"57","new":""},{"field":"OBSTN_TYPE","old":"TREES","new":""}]},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"bdea9e6377e8","priority":"fyi","category":"runway","kind":"changed","summary":"runway 11: markings now in poor condition","source":"APT_RWY_END","fields":[{"field":"RWY_MARKING_COND","old":"FAIR","new":"POOR"}]},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"b343c4e62c98","priority":"fyi","category":"runway","kind":"changed","summary":"runway 22: controlling obstacle changed (now , clearance slope 20:1); controlling obstacle: ROAD -> none","source":"APT_RWY_END","fields":[{"field":"CNTRLN_DIR_CODE","old":"B","new":""},{"field":"CNTRLN_OFFSET","old":"0","new":""},{"field":"DIST_FROM_THR","old":"673","new":""},{"field":"OBSTN_CLNC_SLOPE","old":"22","new":"20"},{"field":"OBSTN_HGT","old":"21","new":""},{"field":"OBSTN_TYPE","old":"ROAD","new":""}]},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"ee9aa19c0fea","priority":"fyi","category":"runway","kind":"changed","summary":"runway 29: controlling obstacle changed (now , clearance slope 20:1); markings now in poor condition; controlling obstacle: FENCE -> none","source":"APT_RWY_END","fields":[{"field":"CNTRLN_DIR_CODE","old":"R","new":""},{"field":"CNTRLN_OFFSET","old":"127","new":""},{"field":"DIST_FROM_THR","old":"222","new":""},{"field":"OBSTN_CLNC_SLOPE","old":"7","new":"20"},{"field":"OBSTN_HGT","old":"3","new":""},{"field":"OBSTN_TYPE","old":"FENCE","new":""},{"field":"RWY_MARKING_COND","old":"FAIR","new":"POOR"}]},{"cycle":"2025-12-25","from_cycle":"2025-11-27","id":"5a59438734f9","priority":"action","category":"runway","kind":"changed","summary":"runway 11/29: length: 2284 -> 2283 ft","source":"APT_RWY","fields":[{"field":"RWY_LEN","old":"2284","new":"2283"}]},{"cycle":"2025-12-25","from_cycle":"2025-11-27","id":"daf73bda707f","priority":"fyi","category":"runway","kind":"changed","summary":"runway 04: runway end elevation: 3543.5 -> 3543.8 ft MSL; touchdown zone elevation: 3545.3 -> 3545.5 ft MSL","source":"APT_RWY_END","fields":[{"field":"RWY_END_ELEV","old":"3543.5","new":"3543.8"},{"field":"TDZ_ELEV","old":"3545.3","new":"3545.5"}]},{"cycle":"2025-12-25","from_cycle":"2025-11-27","id":"3aedc971b45e","priority":"fyi","category":"runway","kind":"changed","summary":"runway 22: runway end elevation: 3562.1 -> 3562.4 ft MSL; touchdown zone elevation: 3562.1 -> 3562.4 ft MSL","source":"APT_RWY_END","fields":[{"field":"RWY_END_ELEV","old":"3562.1","new":"3562.4"},{"field":"TDZ_ELEV","old":"3562.1","new":"3562.4"}]},{"cycle":"2025-06-12","from_cycle":"2025-05-15","id":"382fae586e49","priority":"action","category":"remark","kind":"changed","summary":"remark updated: ACTVT REIL RWY 04 & 22; MIRL RWY 4/22 & 11/29 - CTAF.  PAPI RWY 04 & 22 OPR CONSLY.","source":"APT_RMK","original":"ACTVT REIL RWY 04 & 22; MIRL RWY 4/22 & 11/29 - CTAF.  PAPI RWY 04 & 22 OPR CONSLY.","fields":[{"field":"REMARK","old":"ACTVT MIRL RWY 4/22 & 11/29 - CTAF; PAPI RWY 04 & 22 ON 24 HRS.","new":"ACTVT REIL RWY 04 & 22; MIRL RWY 4/22 & 11/29 - CTAF.  PAPI RWY 04 & 22 OPR CONSLY."}]},{"cycle":"2025-06-12","from_cycle":"2025-05-15","id":"e3cc73d6adae","priority":"action","category":"frequency","kind":"changed","summary":"remark: ACTVT MIRL RWY 4/22 & 11/29 - CTAF; PAPI RWY 04 & 22 ON 24 HRS. -> ACTVT REIL RWY 04 & 22; MIRL RWY 4/22 & 11/29 - CTAF.  PAPI RWY 04 & 22 OPR CONSLY.","source":"FRQ","fields":[{"field":"REMARK","old":"ACTVT MIRL RWY 4/22 & 11/29 - CTAF; PAPI RWY 04 & 22 ON 24 HRS.","new":"ACTVT REIL RWY 04 & 22; MIRL RWY 4/22 & 11/29 - CTAF.  PAPI RWY 04 & 22 OPR CONSLY."}]},{"cycle":"2025-06-12","from_cycle":"2025-05-15","id":"aab246c8a3b5","priority":"fyi","category":"runway","kind":"changed","summary":"runway 04: runway end identifier lights (REIL): none -> yes","source":"APT_RWY_END","fields":[{"field":"RWY_END_LGTS_FLAG","old":"","new":"Y"}]},{"cycle":"2025-06-12","from_cycle":"2025-05-15","id":"dfe8464f9a35","priority":"fyi","category":"runway","kind":"changed","summary":"runway 22: runway end identifier lights (REIL): none -> yes","source":"APT_RWY_END","fields":[{"field":"RWY_END_LGTS_FLAG","old":"","new":"Y"}]},{"cycle":"2024-09-05","from_cycle":"2024-08-08","id":"6161f09d1519","priority":"fyi","category":"runway","kind":"changed","summary":"runway 04: threshold crossing height: 39 -> 40 ft AGL","source":"APT_RWY_END","fields":[{"field":"THR_CROSSING_HGT","old":"39","new":"40"}]},{"cycle":"2024-09-05","from_cycle":"2024-08-08","id":"684c7bf58676","priority":"fyi","category":"runway","kind":"changed","summary":"runway 22: threshold crossing height: 39 -> 40 ft AGL","source":"APT_RWY_END","fields":[{"field":"THR_CROSSING_HGT","old":"39","new":"40"}]}],"first_cycle":"2024-09-05","last_cycle":"2026-09-03"}