{"schema_version":1,"airport":"3B1","entries":[{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"21cd0cbeee9f","priority":"action","category":"remark","kind":"removed","summary":"remark removed: CLNC DEL THRU BANGOR RADIO (BGR) ON FREQ 122.3 (GREENVILLE RCO).","source":"ATC_RMK","original":"CLNC DEL THRU BANGOR RADIO (BGR) ON FREQ 122.3 (GREENVILLE RCO)."},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"78a01a0d8028","priority":"ifr","category":"chart","kind":"changed","summary":"approach RNAV (GPS) RWY 14 redrawn (still amdt 1A)","source":"D-TPP","chart":{"code":"IAP","name":"RNAV (GPS) RWY 14","amdt":"1A","pdf":"https://aeronav.faa.gov/d-tpp/2609/05918R14.PDF"}},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"dff4089c1052","priority":"ifr","category":"chart","kind":"changed","summary":"approach RNAV (GPS) RWY 32 redrawn (still amdt 0A)","source":"D-TPP","chart":{"code":"IAP","name":"RNAV (GPS) RWY 32","amdt":"0A","pdf":"https://aeronav.faa.gov/d-tpp/2609/05918R32.PDF"}},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"0e53910b5ff9","priority":"fyi","category":"frequency","kind":"removed","summary":"flight service (FSS) 122.3 via the Greenville outlet no longer available","source":"FRQ"},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"d448eb111a2e","priority":"fyi","category":"remark","kind":"added","summary":"new remark: For clearance delivery contact Boston ARTCC at 603-879-6859.","source":"APT_RMK","original":"FOR CD CTC BOSTON ARTCC AT 603-879-6859."},{"cycle":"2025-05-15","from_cycle":"2025-04-17","id":"a41a8f3b632a","priority":"fyi","category":"airport","kind":"changed","summary":"cold temperature airport (altitude correction at or below): -18C -> -20C","source":"APT_BASE","fields":[{"field":"CTA","old":"-18C","new":"-20C"}]},{"cycle":"2025-05-15","from_cycle":"2025-04-17","id":"2fcdd0f08307","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: Cold temperature airport; altitude correction required at or below -20C.","source":"APT_RMK","original":"COLD TEMPERATURE AIRPORT. ALTITUDE CORRECTION REQUIRED AT OR BELOW -20C.","fields":[{"field":"REMARK","old":"COLD TEMPERATURE AIRPORT. ALTITUDE CORRECTION REQUIRED AT OR BELOW -18C.","new":"COLD TEMPERATURE AIRPORT. ALTITUDE CORRECTION REQUIRED AT OR BELOW -20C."}]},{"cycle":"2025-01-23","from_cycle":"2024-12-26","id":"b4e8f17fe412","priority":"action","category":"remark","kind":"changed","summary":"remark updated: DUSK-DAWN. ACTVT REIL RWY 14; PAPI RWY 14 & 32; MIRL RWY 14/32 - CTAF.","source":"APT_RMK","original":"DUSK-DAWN. ACTVT REIL RWY 14; PAPI RWY 14 & 32; MIRL RWY 14/32 - CTAF.","fields":[{"field":"REMARK","old":"DUSK-DAWN. ACTVT REIL RWY 14; PAPI RWY 14; MIRL RWY 14/32 - CTAF.","new":"DUSK-DAWN. ACTVT REIL RWY 14; PAPI RWY 14 & 32; MIRL RWY 14/32 - CTAF."}]},{"cycle":"2025-01-23","from_cycle":"2024-12-26","id":"507766c2c09c","priority":"action","category":"frequency","kind":"changed","summary":"remark: DUSK-DAWN. ACTVT REIL RWY 14; PAPI RWY 14; MIRL RWY 14/32 - CTAF.; BE ALERT: MNT CTAF 122.9 FOR LCL SPB TFC NEARBY (52B & 21M) IF ABLE. -> DUSK-DAWN. ACTVT REIL RWY 14; PAPI RWY 14 & 32; MIRL RWY 14/32 - CTAF.; BE ALERT: MNT CTAF 122.9 FOR LCL SPB TFC NEARBY (52B & 21M) IF ABLE.","source":"FRQ","fields":[{"field":"REMARK","old":"DUSK-DAWN. ACTVT REIL RWY 14; PAPI RWY 14; MIRL RWY 14/32 - CTAF.; BE ALERT: MNT CTAF 122.9 FOR LCL SPB TFC NEARBY (52B & 21M) IF ABLE.","new":"DUSK-DAWN. ACTVT REIL RWY 14; PAPI RWY 14 & 32; MIRL RWY 14/32 - CTAF.; BE ALERT: MNT CTAF 122.9 FOR LCL SPB TFC NEARBY (52B & 21M) IF ABLE."}]},{"cycle":"2024-10-03","from_cycle":"2024-09-05","id":"8f27a3abb096","priority":"fyi","category":"remark","kind":"added","summary":"new remark: NRS AND CNTRLN FADED.","source":"APT_RMK","original":"NRS AND CNTRLN FADED."},{"cycle":"2024-10-03","from_cycle":"2024-09-05","id":"dde7010d7066","priority":"fyi","category":"remark","kind":"removed","summary":"remark removed: +4-5 FT STEEL FENCE POSTS 180 FT FM THR.","source":"APT_RMK","original":"+4-5 FT STEEL FENCE POSTS 180 FT FM THR."},{"cycle":"2024-10-03","from_cycle":"2024-09-05","id":"f84880f2464c","priority":"fyi","category":"runway","kind":"changed","summary":"runway 03: controlling obstacle changed (now , clearance slope 20:1); markings now in poor condition; controlling obstacle: TREE -> none","source":"APT_RWY_END","fields":[{"field":"CNTRLN_DIR_CODE","old":"R","new":""},{"field":"CNTRLN_OFFSET","old":"184","new":""},{"field":"DIST_FROM_THR","old":"993","new":""},{"field":"OBSTN_CLNC_SLOPE","old":"16","new":"20"},{"field":"OBSTN_HGT","old":"47","new":""},{"field":"OBSTN_TYPE","old":"TREE","new":""},{"field":"RWY_MARKING_COND","old":"GOOD","new":"POOR"}]},{"cycle":"2024-10-03","from_cycle":"2024-09-05","id":"ec915d20cd45","priority":"fyi","category":"runway","kind":"changed","summary":"runway 14: markings now in poor condition","source":"APT_RWY_END","fields":[{"field":"RWY_MARKING_COND","old":"GOOD","new":"POOR"}]},{"cycle":"2024-10-03","from_cycle":"2024-09-05","id":"325763ffd432","priority":"fyi","category":"runway","kind":"changed","summary":"runway 21: markings now in poor condition","source":"APT_RWY_END","fields":[{"field":"RWY_MARKING_COND","old":"GOOD","new":"POOR"}]},{"cycle":"2024-10-03","from_cycle":"2024-09-05","id":"3e5869458e82","priority":"fyi","category":"runway","kind":"changed","summary":"runway 32: markings now in poor condition","source":"APT_RWY_END","fields":[{"field":"RWY_MARKING_COND","old":"GOOD","new":"POOR"}]}],"first_cycle":"2024-10-03","last_cycle":"2026-09-03"}