{"schema_version":1,"airport":"COF","entries":[{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"f19c74b6a6bd","priority":"ifr","category":"chart","kind":"changed","summary":"arrival BITHO SEVEN changed","source":"D-TPP","chart":{"code":"STR","name":"BITHO SEVEN","amdt":"","pdf":"https://aeronav.faa.gov/d-tpp/2609/00571BITHO.PDF"}},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"2b7d8c78b952","priority":"ifr","category":"chart","kind":"changed","summary":"departure OCEAN FOUR changed","source":"D-TPP","chart":{"code":"DP","name":"OCEAN FOUR","amdt":"","pdf":"https://aeronav.faa.gov/d-tpp/2609/00038OCEAN.PDF"}},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"72c0308d5782","priority":"ifr","category":"chart","kind":"changed","summary":"departure RIVER FOUR changed","source":"D-TPP","chart":{"code":"DP","name":"RIVER FOUR","amdt":"","pdf":"https://aeronav.faa.gov/d-tpp/2609/00038RIVER.PDF"}},{"cycle":"2026-01-22","from_cycle":"2025-12-25","id":"348ab3f703f6","priority":"fyi","category":"remark","kind":"added","summary":"new remark: CAUTION: ARFF AVBL 4800 GAL OF AGENT WITH 4 ARFF VEH.","source":"APT_RMK","original":"CAUTION: ARFF AVBL 4800 GAL OF AGENT WITH 4 ARFF VEH."},{"cycle":"2025-11-27","from_cycle":"2025-10-30","id":"4bea61e7421a","priority":"action","category":"remark","kind":"added","summary":"new remark: CLSD EVERY THIRD FRI OF THE MONTH.","source":"APT_RMK","original":"CLSD EVERY THIRD FRI OF THE MONTH."},{"cycle":"2025-11-27","from_cycle":"2025-10-30","id":"bf711c72a0b6","priority":"action","category":"remark","kind":"added","summary":"new remark: RSTD - NON STD SAFETY CIRCLE MRK LCD ON 750 RAMP.","source":"APT_RMK","original":"RSTD - NON STD SAFETY CIRCLE MRK LCD ON 750 RAMP."},{"cycle":"2025-11-27","from_cycle":"2025-10-30","id":"8d91bfd9a1ca","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: RSTD:  E SIDE TWY C CLSD TO JET ACFT & ACFT WITH WINGSPAN ABV 133 FT.  GUN BERM LTD TO A-10 ACFT OR SMLR AND REQS AFLD MGMT COORDINATION. TWY J WEST OF GUN BERM CLSD.","source":"APT_RMK","original":"RSTD:  E SIDE TWY C CLSD TO JET ACFT & ACFT WITH WINGSPAN ABV 133 FT.  GUN BERM LTD TO A-10 ACFT OR SMLR AND REQS AFLD MGMT COORDINATION. TWY J WEST OF GUN BERM CLSD.","fields":[{"field":"REMARK","old":"RSTD:  E SIDE TWY C CLSD TO JET ACFT & ACFT WITH WINGSPAN ABV 133 FT.  GUN BERM LTD TO A-10 ACFT OR SMLR.  TWY J WEST OF GUN BERM CLSD.","new":"RSTD:  E SIDE TWY C CLSD TO JET ACFT & ACFT WITH WINGSPAN ABV 133 FT.  GUN BERM LTD TO A-10 ACFT OR SMLR AND REQS AFLD MGMT COORDINATION. TWY J WEST OF GUN BERM CLSD."}]},{"cycle":"2025-10-02","from_cycle":"2025-09-04","id":"f9ebbfd51a5e","priority":"fyi","category":"remark","kind":"added","summary":"new remark: PAPI UNUSBL BYD 7 DEG LEFT AND 9 DEG RIGHT OF CNTRLN.","source":"APT_RMK","original":"PAPI UNUSBL BYD 7 DEG LEFT AND 9 DEG RIGHT OF CNTRLN."},{"cycle":"2025-10-02","from_cycle":"2025-09-04","id":"1f7bc3a8bda5","priority":"fyi","category":"runway","kind":"changed","summary":"runway 11: threshold crossing height: 52 -> 51 ft AGL","source":"APT_RWY_END","fields":[{"field":"THR_CROSSING_HGT","old":"52","new":"51"}]},{"cycle":"2025-08-07","from_cycle":"2025-07-10","id":"6b28b042fd68","priority":"action","category":"frequency","kind":"added","summary":"frequency 126.025 (APCH/P DEP/P) added","source":"FRQ"},{"cycle":"2025-08-07","from_cycle":"2025-07-10","id":"9e6832035317","priority":"action","category":"frequency","kind":"removed","summary":"frequency 132.65 (APCH/P DEP/P) removed","source":"FRQ"},{"cycle":"2025-08-07","from_cycle":"2025-07-10","id":"730d92997412","priority":"fyi","category":"frequency","kind":"added","summary":"frequency 126.025 now also listed for OCEAN DP","source":"FRQ"},{"cycle":"2025-08-07","from_cycle":"2025-07-10","id":"539e8cfd7eee","priority":"fyi","category":"frequency","kind":"added","summary":"frequency 126.025 now also listed for RIVER DP","source":"FRQ"},{"cycle":"2025-08-07","from_cycle":"2025-07-10","id":"1f263d0b3c70","priority":"fyi","category":"frequency","kind":"removed","summary":"frequency 132.65 (OCEAN DP) removed","source":"FRQ"},{"cycle":"2025-08-07","from_cycle":"2025-07-10","id":"d6d22f030994","priority":"fyi","category":"frequency","kind":"removed","summary":"frequency 132.65 (RIVER DP) removed","source":"FRQ"},{"cycle":"2025-07-10","from_cycle":"2025-06-12","id":"d0567050ff27","priority":"fyi","category":"runway","kind":"changed","summary":"runway 11: threshold crossing height: 49 -> 52 ft AGL","source":"APT_RWY_END","fields":[{"field":"THR_CROSSING_HGT","old":"49","new":"52"}]},{"cycle":"2025-07-10","from_cycle":"2025-06-12","id":"7308d6e37482","priority":"fyi","category":"runway","kind":"changed","summary":"runway 29: threshold crossing height: 51 -> 50 ft AGL","source":"APT_RWY_END","fields":[{"field":"THR_CROSSING_HGT","old":"51","new":"50"}]},{"cycle":"2025-05-15","from_cycle":"2025-04-17","id":"03a135c8406c","priority":"action","category":"airport","kind":"added","summary":"airport attendance schedule: added SAT-SUN CLSD; HOL CLSD","source":"APT_ATT"},{"cycle":"2025-05-15","from_cycle":"2025-04-17","id":"1ca286ac4fa7","priority":"action","category":"airspace","kind":"changed","summary":"airspace is now: class d svc 1300-0500z++ mon-fri; sat-sun clsd; hol clsd, airfield clsd third fri of month; other times class g (was: class d svc 1300-0500z++mon-fri, clsd hol, airfield clsd third fri of month; other times class g)","source":"CLS_ARSP","fields":[{"field":"AIRSPACE_HRS","old":"CLASS D SVC 1300-0500Z++MON-FRI, CLSD HOL, AIRFIELD CLSD THIRD FRI OF MONTH; OTHER TIMES CLASS G","new":"CLASS D SVC 1300-0500Z++ MON-FRI; SAT-SUN CLSD; HOL CLSD, AIRFIELD CLSD THIRD FRI OF MONTH; OTHER TIMES CLASS G"}]},{"cycle":"2025-05-15","from_cycle":"2025-04-17","id":"afeb7612c799","priority":"action","category":"remark","kind":"removed","summary":"remark removed: Closed on holidays.","source":"APT_RMK","original":"CLSD HOL."},{"cycle":"2025-05-15","from_cycle":"2025-04-17","id":"49dd9b47df5c","priority":"action","category":"tower","kind":"changed","summary":"tower hours changed: 1300-0500Z++MON-FRI; CLSD HOL. AIR FIELD CLSD THIRD FRI OF MONTH. -> 1300-0500Z++ MON-FRI; SAT-SUN CLSD; HOL CLSD. AIR FIELD CLSD THIRD FRI OF MONTH. local","source":"ATC_BASE","fields":[{"field":"TWR_HRS","old":"1300-0500Z++MON-FRI; CLSD HOL. AIR FIELD CLSD THIRD FRI OF MONTH.","new":"1300-0500Z++ MON-FRI; SAT-SUN CLSD; HOL CLSD. AIR FIELD CLSD THIRD FRI OF MONTH."}]},{"cycle":"2025-05-15","from_cycle":"2025-04-17","id":"38cf9c05fc12","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: CAUTION:  ARFF AVBL 4,800 GALS OF AGENT WITH 7 ARFF VEH.","source":"APT_RMK","original":"CAUTION:  ARFF AVBL 4,800 GALS OF AGENT WITH 7 ARFF VEH.","fields":[{"field":"REMARK","old":"CAUTION:  ARFF AVBL 6,800 GALS OF AGENT WITH 7 ARFF VEH.","new":"CAUTION:  ARFF AVBL 4,800 GALS OF AGENT WITH 7 ARFF VEH."}]},{"cycle":"2024-12-26","from_cycle":"2024-11-28","id":"de7bbfa29376","priority":"fyi","category":"navaid","kind":"changed","summary":"COF (Patrick) navaid: common system usage: no -> yes","source":"NAV_BASE","fields":[{"field":"NAS_USE_FLAG","old":"N","new":"Y"}]},{"cycle":"2024-09-05","from_cycle":"2024-08-08","id":"207c83dca6af","priority":"ifr","category":"procedure","kind":"changed","summary":"arrival/departure procedures new or updated: BITHO7","source":"STAR/DP","procedures":{"updated":["BITHO7"],"removed":[]}}],"first_cycle":"2024-09-05","last_cycle":"2026-09-03"}