{"schema_version":1,"airport":"PHN","entries":[{"cycle":"2026-03-19","from_cycle":"2026-02-19","id":"e5f2f2c18935","priority":"action","category":"weather","kind":"changed","summary":"weather station type: AWOS-3 -> AWOS-3P","source":"AWOS","fields":[{"field":"ASOS_AWOS_TYPE","old":"AWOS-3","new":"AWOS-3P"}]},{"cycle":"2026-03-19","from_cycle":"2026-02-19","id":"a549c42d3ed9","priority":"action","category":"frequency","kind":"changed","summary":"frequency 118.375 now listed for PHN AWOS-3P (was PHN AWOS-3); served facility type: AWOS-3 -> AWOS-3P","source":"FRQ","fields":[{"field":"FREQ_USE","old":"PHN AWOS-3","new":"PHN AWOS-3P"},{"field":"SERVICED_SITE_TYPE","old":"AWOS-3","new":"AWOS-3P"}]},{"cycle":"2025-07-10","from_cycle":"2025-06-12","id":"c0c608ca18ed","priority":"action","category":"airport","kind":"changed","summary":"airport attendance hours changed: 0800-DUSK -> 0800-1700","source":"APT_ATT","fields":[{"field":"HOUR","old":"0800-DUSK","new":"0800-1700"}]},{"cycle":"2025-07-10","from_cycle":"2025-06-12","id":"d72ecd586beb","priority":"fyi","category":"airport","kind":"changed","summary":"services: dropped pilot instruction (INSTR), aircraft rental (RNTL)","source":"APT_BASE","fields":[{"field":"OTHER_SERVICES","old":"INSTR,RNTL","new":""}]},{"cycle":"2025-07-10","from_cycle":"2025-06-12","id":"7b16fbe3a71e","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: TSATLC FLTS MUST NTFY US CUST AT 810-985-9541 ONE HR PRIOR TO ENTRY INTO THE US. NTFY US DEPT OF AGRICULTURE AT 810-985-6126 & AMGR 24 HRS PRIOR FOR DISPOSAL OF ACFT INTL TRASH.","source":"APT_RMK","original":"TSATLC FLTS MUST NTFY US CUST AT 810-985-9541 ONE HR PRIOR TO ENTRY INTO THE US. NTFY US DEPT OF AGRICULTURE AT 810-985-6126 & AMGR 24 HRS PRIOR FOR DISPOSAL OF ACFT INTL TRASH.","fields":[{"field":"REMARK","old":"TSATLC FLTS MUST NTFY US CUST AT 810-985-9541 ONE HR PRIOR TO ENTRY INTO THE US. 24 HR PN FOR DISPOSAL OF ACFT INTL TRASH - CALL US DEPT OF AGRICULTURE AT 810-985-6126 & AMGR.","new":"TSATLC FLTS MUST NTFY US CUST AT 810-985-9541 ONE HR PRIOR TO ENTRY INTO THE US. NTFY US DEPT OF AGRICULTURE AT 810-985-6126 & AMGR 24 HRS PRIOR FOR DISPOSAL OF ACFT INTL TRASH."}]},{"cycle":"2025-07-10","from_cycle":"2025-06-12","id":"09f11f6d7bba","priority":"fyi","category":"runway","kind":"changed","summary":"runway 04: controlling obstacle changed (now 49 ft tall, 592 ft from threshold, 573 ft left of centerline, clearance slope 8:1)","source":"APT_RWY_END","fields":[{"field":"CNTRLN_OFFSET","old":"452","new":"573"},{"field":"DIST_FROM_THR","old":"262","new":"592"},{"field":"OBSTN_CLNC_SLOPE","old":"3","new":"8"},{"field":"OBSTN_HGT","old":"18","new":"49"}]},{"cycle":"2025-07-10","from_cycle":"2025-06-12","id":"e4cc45cc83cd","priority":"fyi","category":"runway","kind":"changed","summary":"runway 10: controlling obstacle changed (now 71 ft tall, 1386 ft from threshold, 250 ft left of centerline, clearance slope 16:1)","source":"APT_RWY_END","fields":[{"field":"CNTRLN_OFFSET","old":"40","new":"250"},{"field":"DIST_FROM_THR","old":"1387","new":"1386"},{"field":"OBSTN_HGT","old":"72","new":"71"}]},{"cycle":"2025-07-10","from_cycle":"2025-06-12","id":"87bf6e71ec44","priority":"fyi","category":"runway","kind":"changed","summary":"runway 22: controlling obstacle changed (now 76 ft tall, 1870 ft from threshold, 78 ft right of centerline, clearance slope 21:1)","source":"APT_RWY_END","fields":[{"field":"CNTRLN_OFFSET","old":"300","new":"78"},{"field":"DIST_FROM_THR","old":"1496","new":"1870"},{"field":"OBSTN_CLNC_SLOPE","old":"15","new":"21"},{"field":"OBSTN_HGT","old":"85","new":"76"}]},{"cycle":"2025-07-10","from_cycle":"2025-06-12","id":"dbdd21992a85","priority":"fyi","category":"runway","kind":"changed","summary":"runway 28: controlling obstacle changed (now 57 ft tall, 1173 ft from threshold, 35 ft right of centerline, clearance slope 17:1)","source":"APT_RWY_END","fields":[{"field":"CNTRLN_OFFSET","old":"1","new":"35"},{"field":"DIST_FROM_THR","old":"1194","new":"1173"}]}],"first_cycle":"2025-07-10","last_cycle":"2026-03-19"}