{"schema_version":1,"airport":"HYI","entries":[{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"7842ff100a5a","priority":"ifr","category":"chart","kind":"changed","summary":"approach ILS OR LOC RWY 13 redrawn (still amdt 6D)","source":"D-TPP","chart":{"code":"IAP","name":"ILS OR LOC RWY 13","amdt":"6D","pdf":"https://aeronav.faa.gov/d-tpp/2609/00502IL13.PDF"}},{"cycle":"2026-01-22","from_cycle":"2025-12-25","id":"a1c06e2b7fc1","priority":"action","category":"remark","kind":"changed","summary":"remark updated: MALS RWY 13; MIRL RWYS 08/26, 13/31 & 17/35 PRESET LOW INTST; TO ACTVT AND INCR INTST - CTAF.","source":"APT_RMK","original":"MALS RWY 13; MIRL RWYS 08/26, 13/31 & 17/35 PRESET LOW INTST; TO ACTVT AND INCR INTST - CTAF.","fields":[{"field":"REMARK","old":"ACTVT MALS RWY 13; MIRL RWYS 08/26, 13/31 & 17/35 PRESET LOW INTST, TO INCR INTST - CTAF.  PAPI RWYS 13, 31, 17 OPR CONSLY.","new":"MALS RWY 13; MIRL RWYS 08/26, 13/31 & 17/35 PRESET LOW INTST; TO ACTVT AND INCR INTST - CTAF."}]},{"cycle":"2026-01-22","from_cycle":"2025-12-25","id":"e5e2e0ce3e83","priority":"action","category":"frequency","kind":"changed","summary":"remark: ACTVT MALS RWY 13; MIRL RWYS 08/26, 13/31 & 17/35 PRESET LOW INTST, TO INCR INTST - CTAF.  PAPI RWYS 13, 31, 17 OPR CONSLY. -> MALS RWY 13; MIRL RWYS 08/26, 13/31 & 17/35 PRESET LOW INTST; TO ACTVT AND INCR INTST - CTAF.","source":"FRQ","fields":[{"field":"REMARK","old":"ACTVT MALS RWY 13; MIRL RWYS 08/26, 13/31 & 17/35 PRESET LOW INTST, TO INCR INTST - CTAF.  PAPI RWYS 13, 31, 17 OPR CONSLY.","new":"MALS RWY 13; MIRL RWYS 08/26, 13/31 & 17/35 PRESET LOW INTST; TO ACTVT AND INCR INTST - CTAF."}]},{"cycle":"2026-01-22","from_cycle":"2025-12-25","id":"d15af5f10c29","priority":"fyi","category":"airport","kind":"changed","summary":"land area: 1303 -> 1420 acres; bulk oxygen: low -> none; fuel: added Jet A, kerosene, with FS-II (A+); dropped Jet A, kerosene, without FS-II (A); engine repair: none -> major","source":"APT_BASE","fields":[{"field":"ACREAGE","old":"1303","new":"1420"},{"field":"BULK_OXY_TYPE","old":"LOW","new":""},{"field":"FUEL_TYPES","old":"100LL,A","new":"100LL,A+"},{"field":"PWR_PLANT_REPAIR_SER","old":"","new":"MAJOR"}]},{"cycle":"2026-01-22","from_cycle":"2025-12-25","id":"35ec509ea689","priority":"fyi","category":"remark","kind":"removed","summary":"remark removed: EMERG CTC: CITY OF SAN MARCOS POLICE DISPATCH - 512-753-2108","source":"APT_RMK","original":"EMERG CTC: CITY OF SAN MARCOS POLICE DISPATCH - 512-753-2108"},{"cycle":"2026-01-22","from_cycle":"2025-12-25","id":"80ce72cbe143","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: 100LL SELF SVC; 100 LL & JET A+ AVBL FULL SERVE.","source":"APT_RMK","original":"100LL SELF SVC; 100 LL & JET A+ AVBL FULL SERVE.","fields":[{"field":"REMARK","old":"100LL SELF SVC; 100 LL & JET A AVBL FULL SERVE.","new":"100LL SELF SVC; 100 LL & JET A+ AVBL FULL SERVE."}]},{"cycle":"2026-01-22","from_cycle":"2025-12-25","id":"cb787712c431","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: FOR AFT HRS SVC 800-229-2379. CALL-IN FEE.","source":"APT_RMK","original":"FOR AFT HRS SVC 800-229-2379. CALL-IN FEE.","fields":[{"field":"REMARK","old":"FOR AFT HRS SVC 800-229-2379.","new":"FOR AFT HRS SVC 800-229-2379. CALL-IN FEE."}]},{"cycle":"2026-01-22","from_cycle":"2025-12-25","id":"bcfaf95baadd","priority":"fyi","category":"runway","kind":"changed","summary":"runway 08: controlling obstacle changed (now 25 ft tall, 201 ft from threshold, 488 ft left of centerline, clearance slope 0:1); controlling obstacle: FENCE -> HANGAR","source":"APT_RWY_END","fields":[{"field":"CNTRLN_OFFSET","old":"360","new":"488"},{"field":"OBSTN_HGT","old":"6","new":"25"},{"field":"OBSTN_TYPE","old":"FENCE","new":"HANGAR"}]},{"cycle":"2026-01-22","from_cycle":"2025-12-25","id":"38bfe7b35f16","priority":"fyi","category":"runway","kind":"changed","summary":"runway 26: controlling obstacle changed (now 29 ft tall, 732 ft from threshold, 425 ft right of centerline, clearance slope 18:1)","source":"APT_RWY_END","fields":[{"field":"CNTRLN_DIR_CODE","old":"B","new":"R"},{"field":"CNTRLN_OFFSET","old":"0","new":"425"},{"field":"DIST_FROM_THR","old":"205","new":"732"},{"field":"OBSTN_CLNC_SLOPE","old":"0","new":"18"},{"field":"OBSTN_HGT","old":"8","new":"29"}]},{"cycle":"2026-01-22","from_cycle":"2025-12-25","id":"18d029541932","priority":"fyi","category":"runway","kind":"changed","summary":"runway 31: controlling obstacle changed (now , clearance slope 34:1); controlling obstacle: TREES -> none","source":"APT_RWY_END","fields":[{"field":"CNTRLN_DIR_CODE","old":"B","new":""},{"field":"CNTRLN_OFFSET","old":"0","new":""},{"field":"DIST_FROM_THR","old":"2200","new":""},{"field":"OBSTN_CLNC_SLOPE","old":"31","new":"34"},{"field":"OBSTN_HGT","old":"64","new":""},{"field":"OBSTN_TYPE","old":"TREES","new":""}]},{"cycle":"2025-12-25","from_cycle":"2025-11-27","id":"189fa403d4db","priority":"fyi","category":"remark","kind":"added","summary":"new remark: TSNT ACFT PRKG AVBL ON FBO RAMP ONLY. ALL OTR RAMP AREAS RESD FOR BASED ACFT OR RQR PRIOR CDN WITH ARPT MGMT.","source":"APT_RMK","original":"TSNT ACFT PRKG AVBL ON FBO RAMP ONLY. ALL OTR RAMP AREAS RESD FOR BASED ACFT OR RQR PRIOR CDN WITH ARPT MGMT."},{"cycle":"2025-12-25","from_cycle":"2025-11-27","id":"46ece64d4136","priority":"fyi","category":"remark","kind":"removed","summary":"remark removed: CASSIDY BERENATO","source":"APT_RMK","original":"CASSIDY BERENATO"},{"cycle":"2025-10-02","from_cycle":"2025-09-04","id":"9e05ba64ddd6","priority":"ifr","category":"procedure","kind":"changed","summary":"arrival/departure procedures new or updated: SZAGI3","source":"STAR/DP","procedures":{"updated":["SZAGI3"],"removed":[]}},{"cycle":"2025-06-12","from_cycle":"2025-05-15","id":"d5449005fd6f","priority":"ifr","category":"procedure","kind":"changed","summary":"arrival/departure procedures new or updated: SZAGI2","source":"STAR/DP","procedures":{"updated":["SZAGI2"],"removed":[]}},{"cycle":"2025-05-15","from_cycle":"2025-04-17","id":"3d9174c207d1","priority":"action","category":"airport","kind":"changed","summary":"airport attendance hours changed: 0600-2100 -> 0700-2100","source":"APT_ATT","fields":[{"field":"HOUR","old":"0600-2100","new":"0700-2100"}]},{"cycle":"2025-02-20","from_cycle":"2025-01-23","id":"0dbee1beb103","priority":"ifr","category":"procedure","kind":"changed","summary":"arrival/departure procedures new or updated: none; removed: BITER9","source":"STAR/DP","procedures":{"updated":[],"removed":["BITER9"]}},{"cycle":"2025-01-23","from_cycle":"2024-12-26","id":"77edc223bd9a","priority":"action","category":"tower","kind":"changed","summary":"ATIS hours: 0700-2100 EFF 01 APR 2021 -> 24","source":"ATC_ATIS","fields":[{"field":"ATIS_HRS","old":"0700-2100 EFF 01 APR 2021","new":"24"}]},{"cycle":"2024-10-03","from_cycle":"2024-09-05","id":"577620e46fc8","priority":"fyi","category":"remark","kind":"added","summary":"new remark: Birds and wildlife on and in vicinity of airport.","source":"APT_RMK","original":"BIRDS AND WILDLIFE ON AND INVOF ARPT."},{"cycle":"2024-10-03","from_cycle":"2024-09-05","id":"452078682a55","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: 100LL self service and 100 LL and JET A available full serve.","source":"APT_RMK","original":"100LL SELF SVC; 100 LL & JET A AVBL FULL SERVE.","fields":[{"field":"REMARK","old":"100LL SELF SERVICE. 100 LL & JET A AVBL FULL SERVE.","new":"100LL SELF SVC; 100 LL & JET A AVBL FULL SERVE."}]},{"cycle":"2024-10-03","from_cycle":"2024-09-05","id":"788195081521","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: ACTVT MALS RWY 13; MIRL RWYS 08/26, 13/31 & 17/35 PRESET LOW INTST, TO INCR INTST - CTAF.  PAPI RWYS 13, 31, 17 OPR CONSLY.","source":"APT_RMK","original":"ACTVT MALS RWY 13; MIRL RWYS 08/26, 13/31 & 17/35 PRESET LOW INTST, TO INCR INTST - CTAF.  PAPI RWYS 13, 31, 17 OPR CONSLY.","fields":[{"field":"REMARK","old":"ACTVT MALS RWY 13; MIRL RWYS 08/26, 13/31 & 17/35 PRESET LOW INTST, TO INCR INTST - CTAF.  PAPI RWY 13, 31,17 OPER CONSLY.","new":"ACTVT MALS RWY 13; MIRL RWYS 08/26, 13/31 & 17/35 PRESET LOW INTST, TO INCR INTST - CTAF.  PAPI RWYS 13, 31, 17 OPR CONSLY."}]},{"cycle":"2024-10-03","from_cycle":"2024-09-05","id":"8fd0107d5392","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: For after-hours service call 800-229-2379.","source":"APT_RMK","original":"FOR AFT HRS SVC 800-229-2379.","fields":[{"field":"REMARK","old":"FOR AFTR HRS SERV 800-229-2379.","new":"FOR AFT HRS SVC 800-229-2379."}]},{"cycle":"2024-10-03","from_cycle":"2024-09-05","id":"3ae0ec971df2","priority":"fyi","category":"frequency","kind":"changed","summary":"remark: ACTVT MALS RWY 13; MIRL RWYS 08/26, 13/31 & 17/35 PRESET LOW INTST, TO INCR INTST - CTAF.  PAPI RWY 13, 31,17 OPER CONSLY. -> ACTVT MALS RWY 13; MIRL RWYS 08/26, 13/31 & 17/35 PRESET LOW INTST, TO INCR INTST - CTAF.  PAPI RWYS 13, 31, 17 OPR CONSLY.","source":"FRQ","fields":[{"field":"REMARK","old":"ACTVT MALS RWY 13; MIRL RWYS 08/26, 13/31 & 17/35 PRESET LOW INTST, TO INCR INTST - CTAF.  PAPI RWY 13, 31,17 OPER CONSLY.","new":"ACTVT MALS RWY 13; MIRL RWYS 08/26, 13/31 & 17/35 PRESET LOW INTST, TO INCR INTST - CTAF.  PAPI RWYS 13, 31, 17 OPR CONSLY."}]},{"cycle":"2024-09-05","from_cycle":"2024-08-08","id":"0dd3b6abad4c","priority":"ifr","category":"procedure","kind":"changed","summary":"arrival/departure procedures new or updated: AEROZ, BITER9, BLEWE5, GABOO1, POTRR2, SZAGI1","source":"STAR/DP","procedures":{"updated":["AEROZ","BITER9","BLEWE5","GABOO1","POTRR2","SZAGI1"],"removed":[]}},{"cycle":"2024-09-05","from_cycle":"2024-08-08","id":"72aad561f89f","priority":"fyi","category":"frequency","kind":"added","summary":"frequency 118.15 now also listed for SZAGI STAR","source":"FRQ"},{"cycle":"2024-09-05","from_cycle":"2024-08-08","id":"942cd80ad4e8","priority":"fyi","category":"frequency","kind":"added","summary":"frequency 119.0 now also listed for SZAGI STAR","source":"FRQ"},{"cycle":"2024-09-05","from_cycle":"2024-08-08","id":"24afccb51595","priority":"fyi","category":"frequency","kind":"added","summary":"frequency 350.25 now also listed for SZAGI STAR","source":"FRQ"},{"cycle":"2024-09-05","from_cycle":"2024-08-08","id":"d16bf8ce87f9","priority":"fyi","category":"frequency","kind":"added","summary":"frequency 370.85 now also listed for SZAGI STAR","source":"FRQ"}],"first_cycle":"2024-09-05","last_cycle":"2026-09-03"}