{"schema_version":1,"airport":"AOO","entries":[{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"7fe423b25044","priority":"fyi","category":"frequency","kind":"removed","summary":"flight service (FSS) 122.2 via the Altoona outlet no longer available","source":"FRQ"},{"cycle":"2025-10-02","from_cycle":"2025-09-04","id":"d90f207cf03c","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: RWY 12/30 NOT AVBL FOR PART 121/PART 380 OPS WITH SKED PAX CARRYING OPS MORE THAN 9 PAX SEATS AND NON-SKED PAX CARRYING OPS MORE THAN 30 PAX SEATS. NO PART 121/PART 380 OPS EXC FOR TAX.","source":"APT_RMK","original":"RWY 12/30 NOT AVBL FOR PART 121/PART 380 OPS WITH SKED PAX CARRYING OPS MORE THAN 9 PAX SEATS AND NON-SKED PAX CARRYING OPS MORE THAN 30 PAX SEATS. NO PART 121/PART 380 OPS EXC FOR TAX.","fields":[{"field":"REMARK","old":"RWY 12/30 NOT AVBL FOR PART 121/PART 380 OPS WITH SKED PAX CARRYING OPS MORE THAN 9 PAX SEATS AND NON-SKED PAX CARRYING OPS MORE THAN 30 PAX SEATS. EXC FOR TAXI.","new":"RWY 12/30 NOT AVBL FOR PART 121/PART 380 OPS WITH SKED PAX CARRYING OPS MORE THAN 9 PAX SEATS AND NON-SKED PAX CARRYING OPS MORE THAN 30 PAX SEATS. NO PART 121/PART 380 OPS EXC FOR TAX."}]},{"cycle":"2025-09-04","from_cycle":"2025-08-07","id":"e8e9ba8594da","priority":"action","category":"remark","kind":"added","summary":"new remark: RWY 12/30 NOT AVBL FOR PART 121/PART 380 OPS WITH SKED PAX CARRYING OPS MORE THAN 9 PAX SEATS AND NON-SKED PAX CARRYING OPS MORE THAN 30 PAX SEATS. EXC FOR TAXI.","source":"APT_RMK","original":"RWY 12/30 NOT AVBL FOR PART 121/PART 380 OPS WITH SKED PAX CARRYING OPS MORE THAN 9 PAX SEATS AND NON-SKED PAX CARRYING OPS MORE THAN 30 PAX SEATS. EXC FOR TAXI."},{"cycle":"2025-09-04","from_cycle":"2025-08-07","id":"3ec7a21ece4d","priority":"action","category":"remark","kind":"removed","summary":"remark removed: EXCP FOR TAXI, RWY 12/30 NOT AVBL FOR SKED ACR OPNS WITH MORE THAN 9 PAX AND UNSKED FOR ACR OPNS WITH MORE THAN 30 PAX.","source":"APT_RMK","original":"EXCP FOR TAXI, RWY 12/30 NOT AVBL FOR SKED ACR OPNS WITH MORE THAN 9 PAX AND UNSKED FOR ACR OPNS WITH MORE THAN 30 PAX."},{"cycle":"2025-09-04","from_cycle":"2025-08-07","id":"f9293a5fa0a5","priority":"fyi","category":"runway","kind":"changed","summary":"runway 03: controlling obstacle changed (now 46 ft tall, 886 ft from threshold, 522 ft left of centerline, clearance slope 14:1)","source":"APT_RWY_END","fields":[{"field":"CNTRLN_OFFSET","old":"524","new":"522"},{"field":"DIST_FROM_THR","old":"888","new":"886"},{"field":"OBSTN_HGT","old":"47","new":"46"}]},{"cycle":"2025-09-04","from_cycle":"2025-08-07","id":"88413ab80776","priority":"fyi","category":"runway","kind":"changed","summary":"runway 12: controlling obstacle changed (now 7 ft tall, 260 ft from threshold, 82 ft right of centerline, clearance slope 8:1); controlling obstacle: TREES -> TREE","source":"APT_RWY_END","fields":[{"field":"CNTRLN_DIR_CODE","old":"L","new":"R"},{"field":"CNTRLN_OFFSET","old":"283","new":"82"},{"field":"DIST_FROM_THR","old":"957","new":"260"},{"field":"OBSTN_CLNC_SLOPE","old":"17","new":"8"},{"field":"OBSTN_HGT","old":"43","new":"7"},{"field":"OBSTN_TYPE","old":"TREES","new":"TREE"}]},{"cycle":"2025-09-04","from_cycle":"2025-08-07","id":"301ddc70b1c9","priority":"fyi","category":"runway","kind":"changed","summary":"runway 21: controlling obstacle changed (now 72 ft tall, 1950 ft from threshold, 685 ft right of centerline, clearance slope 24:1); controlling obstacle: TREES -> TREE","source":"APT_RWY_END","fields":[{"field":"CNTRLN_OFFSET","old":"688","new":"685"},{"field":"DIST_FROM_THR","old":"1949","new":"1950"},{"field":"OBSTN_HGT","old":"71","new":"72"},{"field":"OBSTN_TYPE","old":"TREES","new":"TREE"}]},{"cycle":"2025-09-04","from_cycle":"2025-08-07","id":"35083e674a7e","priority":"fyi","category":"runway","kind":"changed","summary":"runway 30: controlling obstacle changed (now 15 ft tall, 397 ft from threshold, 59 ft right of centerline, clearance slope 13:1); controlling obstacle: TREE -> TREES","source":"APT_RWY_END","fields":[{"field":"CNTRLN_OFFSET","old":"5","new":"59"},{"field":"DIST_FROM_THR","old":"414","new":"397"},{"field":"OBSTN_CLNC_SLOPE","old":"10","new":"13"},{"field":"OBSTN_HGT","old":"20","new":"15"},{"field":"OBSTN_TYPE","old":"TREE","new":"TREES"}]},{"cycle":"2025-03-20","from_cycle":"2025-02-20","id":"e6670568ffe4","priority":"fyi","category":"airport","kind":"changed","summary":"airport phone number changed to 814-793-2027","source":"APT_CON","fields":[{"field":"PHONE_NO","old":"(814) 793-2027","new":"814-793-2027"}]},{"cycle":"2024-10-31","from_cycle":"2024-10-03","id":"1726d1b2e3ba","priority":"fyi","category":"runway","kind":"changed","summary":"runway 03: controlling obstacle changed (now 47 ft tall, 888 ft from threshold, 524 ft left of centerline, clearance slope 14:1)","source":"APT_RWY_END","fields":[{"field":"CNTRLN_OFFSET","old":"522","new":"524"},{"field":"DIST_FROM_THR","old":"904","new":"888"}]},{"cycle":"2024-10-31","from_cycle":"2024-10-03","id":"7323137e34b6","priority":"fyi","category":"runway","kind":"changed","summary":"runway 12: controlling obstacle changed (now 43 ft tall, 957 ft from threshold, 283 ft left of centerline, clearance slope 17:1)","source":"APT_RWY_END","fields":[{"field":"CNTRLN_OFFSET","old":"287","new":"283"},{"field":"DIST_FROM_THR","old":"919","new":"957"},{"field":"OBSTN_CLNC_SLOPE","old":"16","new":"17"}]},{"cycle":"2024-10-31","from_cycle":"2024-10-03","id":"6af0f416360b","priority":"fyi","category":"runway","kind":"changed","summary":"runway 21: controlling obstacle changed (now 71 ft tall, 1949 ft from threshold, 688 ft right of centerline, clearance slope 24:1)","source":"APT_RWY_END","fields":[{"field":"CNTRLN_OFFSET","old":"687","new":"688"},{"field":"OBSTN_HGT","old":"72","new":"71"}]},{"cycle":"2024-10-31","from_cycle":"2024-10-03","id":"e6ddab2b71bb","priority":"fyi","category":"runway","kind":"changed","summary":"runway 30: controlling obstacle changed (now 20 ft tall, 414 ft from threshold, 5 ft right of centerline, clearance slope 10:1)","source":"APT_RWY_END","fields":[{"field":"CNTRLN_DIR_CODE","old":"L","new":"R"},{"field":"CNTRLN_OFFSET","old":"17","new":"5"},{"field":"DIST_FROM_THR","old":"401","new":"414"},{"field":"OBSTN_CLNC_SLOPE","old":"12","new":"10"},{"field":"OBSTN_HGT","old":"16","new":"20"}]}],"first_cycle":"2024-10-31","last_cycle":"2026-09-03"}