{"schema_version":1,"airport":"SNH","entries":[{"cycle":"2026-06-11","from_cycle":"2026-05-14","id":"164c38dfb32f","priority":"fyi","category":"runway","kind":"changed","summary":"runway 01: controlling obstacle changed (now 104 ft tall, 2393 ft from threshold, 580 ft left of centerline, clearance slope 21:1)","source":"APT_RWY_END","fields":[{"field":"CNTRLN_DIR_CODE","old":"R","new":"L"},{"field":"CNTRLN_OFFSET","old":"64","new":"580"},{"field":"DIST_FROM_THR","old":"1324","new":"2393"},{"field":"OBSTN_CLNC_SLOPE","old":"18","new":"21"},{"field":"OBSTN_HGT","old":"60","new":"104"}]},{"cycle":"2026-06-11","from_cycle":"2026-05-14","id":"7edc41592577","priority":"fyi","category":"runway","kind":"changed","summary":"runway 19: controlling obstacle changed (now , clearance slope 34:1)","source":"APT_RWY_END","fields":[{"field":"CNTRLN_DIR_CODE","old":"L","new":""},{"field":"CNTRLN_OFFSET","old":"781","new":""},{"field":"DIST_FROM_THR","old":"2693","new":""},{"field":"OBSTN_CLNC_SLOPE","old":"22","new":"34"},{"field":"OBSTN_HGT","old":"110","new":""}]},{"cycle":"2025-01-23","from_cycle":"2024-12-26","id":"16b6a83ededa","priority":"action","category":"frequency","kind":"changed","summary":"frequency 122.8 now listed for CTAF (was UNICOM); remark: none -> REIL RWY  01 & 19 OPR SS-SR; ACTVT MIRL RWY 01/19 - CTAF. PAPI RWY 01 & 19 OPR CONSLY.","source":"FRQ","fields":[{"field":"FREQ_USE","old":"UNICOM","new":"CTAF"},{"field":"REMARK","old":"","new":"REIL RWY  01 & 19 OPR SS-SR; ACTVT MIRL RWY 01/19 - CTAF. PAPI RWY 01 & 19 OPR CONSLY."}]},{"cycle":"2025-01-23","from_cycle":"2024-12-26","id":"9a3118e817d9","priority":"action","category":"airport","kind":"changed","summary":"airport lighting schedule: sunset-sunrise (SS-SR) -> see remarks (SEE RMK)","source":"APT_BASE","fields":[{"field":"LGT_SKED","old":"SS-SR","new":"SEE RMK"}]},{"cycle":"2025-01-23","from_cycle":"2024-12-26","id":"01d758015480","priority":"action","category":"remark","kind":"added","summary":"new remark: REIL runway 01 and 19 operate sunset to sunrise; activate MIRL runway 01/19 on CTAF; PAPI runway 01 and 19 operate continuously.","source":"APT_RMK","original":"REIL RWY  01 & 19 OPR SS-SR; ACTVT MIRL RWY 01/19 - CTAF. PAPI RWY 01 & 19 OPR CONSLY."},{"cycle":"2025-01-23","from_cycle":"2024-12-26","id":"d0bdc565985d","priority":"fyi","category":"frequency","kind":"changed","summary":"frequency 122.8 no longer listed for CTAF","source":"FRQ","fields":[{"field":"FREQ_USE","old":"CTAF","new":""}]},{"cycle":"2025-01-23","from_cycle":"2024-12-26","id":"3d29e367c3f9","priority":"fyi","category":"remark","kind":"added","summary":"new remark: Contact KSNHAIRPORT@GMAIL.COM","source":"APT_RMK","original":"KSNHAIRPORT@GMAIL.COM"}],"first_cycle":"2025-01-23","last_cycle":"2026-06-11"}