{"schema_version":1,"airport":"GST","entries":[{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"591164c63a38","priority":"action","category":"airport","kind":"changed","summary":"airport attendance hours changed: 0500-1700 -> 0600-1800","source":"APT_ATT","fields":[{"field":"HOUR","old":"0500-1700","new":"0600-1800"}]},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"13b742316d3a","priority":"action","category":"airport","kind":"changed","summary":"airport attendance hours changed: 0830-1700 -> 0930-1800","source":"APT_ATT","fields":[{"field":"HOUR","old":"0830-1700","new":"0930-1800"}]},{"cycle":"2026-05-14","from_cycle":"2026-04-16","id":"4d25697b6361","priority":"fyi","category":"airport","kind":"changed","summary":"Part 139 ARFF certification: I A -> I B","source":"APT_BASE","fields":[{"field":"FAR_139_TYPE_CODE","old":"I A","new":"I B"}]},{"cycle":"2026-05-14","from_cycle":"2026-04-16","id":"ba6fd1809d54","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: BE ALERT: SEE GENNOT- ENROUTE CTAF FREQS.","source":"APT_RMK","original":"BE ALERT: SEE GENNOT- ENROUTE CTAF FREQS.","fields":[{"field":"REMARK","old":"BE ALERT: SEE GENNOT - ENROUTE CTAF FREQS.","new":"BE ALERT: SEE GENNOT- ENROUTE CTAF FREQS."}]},{"cycle":"2026-05-14","from_cycle":"2026-04-16","id":"a80d043b1511","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: MNTND WINTER MONTHS; RCMD DALGT OPS. 9 FT FENCE 554 FT S. RWY 02/20 NOT AVBL FOR PART 121/380 SKED & NON-SKED OPS WITH PAX CARRYING OPS MORE THAN 30 PAX SEATS.","source":"APT_RMK","original":"MNTND WINTER MONTHS; RCMD DALGT OPS. 9 FT FENCE 554 FT S. RWY 02/20 NOT AVBL FOR PART 121/380 SKED & NON-SKED OPS WITH PAX CARRYING OPS MORE THAN 30 PAX SEATS.","fields":[{"field":"REMARK","old":"MNTND WINTER MONTHS; RCMD DAYLIGHT OPS ONLY. 9 FT FENCE 554 FT S. RWY 02/20 NOT AVBL FOR PART 121/380 SKED AND NON-SKED OPS WITH PAX CARRYING OPS MORE THAN 30 PAX SEATS.","new":"MNTND WINTER MONTHS; RCMD DALGT OPS. 9 FT FENCE 554 FT S. RWY 02/20 NOT AVBL FOR PART 121/380 SKED & NON-SKED OPS WITH PAX CARRYING OPS MORE THAN 30 PAX SEATS."}]},{"cycle":"2026-05-14","from_cycle":"2026-04-16","id":"fe86b33382b4","priority":"fyi","category":"frequency","kind":"changed","summary":"remark: ACTVT REIL RWY 11 & 29; VASI RWY 11 & 29; MIRL RWY 11/29 - CTAF; BE ALERT: SEE GENNOT - ENROUTE CTAF FREQS. -> ACTVT REIL RWY 11 & 29; VASI RWY 11 & 29; MIRL RWY 11/29 - CTAF; BE ALERT: SEE GENNOT- ENROUTE CTAF FREQS.","source":"FRQ","fields":[{"field":"REMARK","old":"ACTVT REIL RWY 11 & 29; VASI RWY 11 & 29; MIRL RWY 11/29 - CTAF; BE ALERT: SEE GENNOT - ENROUTE CTAF FREQS.","new":"ACTVT REIL RWY 11 & 29; VASI RWY 11 & 29; MIRL RWY 11/29 - CTAF; BE ALERT: SEE GENNOT- ENROUTE CTAF FREQS."}]},{"cycle":"2025-10-02","from_cycle":"2025-09-04","id":"01e7d3ad5c87","priority":"action","category":"remark","kind":"changed","summary":"remark updated: MNTND WINTER MONTHS; RCMD DAYLIGHT OPS ONLY. 9 FT FENCE 554 FT S. RWY 02/20 NOT AVBL FOR PART 121/380 SKED AND NON-SKED OPS WITH PAX CARRYING OPS MORE THAN 30 PAX SEATS.","source":"APT_RMK","original":"MNTND WINTER MONTHS; RCMD DAYLIGHT OPS ONLY. 9 FT FENCE 554 FT S. RWY 02/20 NOT AVBL FOR PART 121/380 SKED AND NON-SKED OPS WITH PAX CARRYING OPS MORE THAN 30 PAX SEATS.","fields":[{"field":"REMARK","old":"9 FT FENCE 554 FT S. NOT AVBL FOR SKED OR UNSKED ACR OPS MORE THAN 30 PAX SEATS. MNTND WINTER MONTHS; RCMD DAYLIGHT OPS ONLY.","new":"MNTND WINTER MONTHS; RCMD DAYLIGHT OPS ONLY. 9 FT FENCE 554 FT S. RWY 02/20 NOT AVBL FOR PART 121/380 SKED AND NON-SKED OPS WITH PAX CARRYING OPS MORE THAN 30 PAX SEATS."}]},{"cycle":"2025-10-02","from_cycle":"2025-09-04","id":"d389e428f49b","priority":"fyi","category":"airport","kind":"changed","summary":"cold temperature airport (altitude correction at or below): -17C -> -13C","source":"APT_BASE","fields":[{"field":"CTA","old":"-17C","new":"-13C"}]},{"cycle":"2025-10-02","from_cycle":"2025-09-04","id":"8d91caaea887","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: Cold temperature airport; altitude correction required at or below -13C.","source":"APT_RMK","original":"COLD TEMPERATURE AIRPORT. ALTITUDE CORRECTION REQUIRED AT OR BELOW -13C.","fields":[{"field":"REMARK","old":"COLD TEMPERATURE AIRPORT. ALTITUDE CORRECTION REQUIRED AT OR BELOW -17C.","new":"COLD TEMPERATURE AIRPORT. ALTITUDE CORRECTION REQUIRED AT OR BELOW -13C."}]},{"cycle":"2025-06-12","from_cycle":"2025-05-15","id":"bbf4508673f3","priority":"action","category":"airport","kind":"changed","summary":"airport attendance hours changed: 0600-1800 -> 0500-1700","source":"APT_ATT","fields":[{"field":"HOUR","old":"0600-1800","new":"0500-1700"}]},{"cycle":"2025-06-12","from_cycle":"2025-05-15","id":"8fb51de38d85","priority":"action","category":"airport","kind":"changed","summary":"airport attendance hours changed: 0930-1800 -> 0830-1700; attended months: 15 MAY-1SEP -> 15 MAY-1 SEP","source":"APT_ATT","fields":[{"field":"HOUR","old":"0930-1800","new":"0830-1700"},{"field":"MONTH","old":"15 MAY-1SEP","new":"15 MAY-1 SEP"}]},{"cycle":"2025-06-12","from_cycle":"2025-05-15","id":"6a26195657d7","priority":"fyi","category":"airport","kind":"changed","summary":"airport phone number changed to 907-465-1763","source":"APT_CON","fields":[{"field":"PHONE_NO","old":"907-465-1786","new":"907-465-1763"}]},{"cycle":"2024-09-05","from_cycle":"2024-08-08","id":"e6a2207fcae6","priority":"fyi","category":"airport","kind":"changed","summary":"cold temperature airport (altitude correction at or below): -18C -> -17C","source":"APT_BASE","fields":[{"field":"CTA","old":"-18C","new":"-17C"}]},{"cycle":"2024-09-05","from_cycle":"2024-08-08","id":"f470c92c8d8c","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: Cold temperature airport; altitude correction required at or below -17C.","source":"APT_RMK","original":"COLD TEMPERATURE AIRPORT. ALTITUDE CORRECTION REQUIRED AT OR BELOW -17C.","fields":[{"field":"REMARK","old":"COLD TEMPERATURE AIRPORT. ALTITUDE CORRECTION REQUIRED AT OR BELOW -18C.","new":"COLD TEMPERATURE AIRPORT. ALTITUDE CORRECTION REQUIRED AT OR BELOW -17C."}]}],"first_cycle":"2024-09-05","last_cycle":"2026-09-03"}