{"schema_version":1,"from_cycle":"2026-10-01","to_cycle":"2026-10-29","airport":"BST","counts":{"action":0,"ifr":0,"fyi":11},"changes":[{"id":"ae3a241daa15","priority":"fyi","category":"airport","kind":"changed","summary":"airport manager address line 2: C/O 131 CHURCH ST -> 131 CHURCH ST; airport manager zip+4: none -> 6503","source":"APT_CON","fields":[{"field":"ADDRESS2","old":"C/O 131 CHURCH ST","new":"131 CHURCH ST"},{"field":"ZIP_PLUS_FOUR","old":"","new":"6503"}]},{"id":"8d0e6a1da847","priority":"fyi","category":"airport","kind":"changed","summary":"airport owner address: C/O CITY HALL 131 CHURCH ST -> 131 CHURCH ST; airport owner zip+4: none -> 6503","source":"APT_CON","fields":[{"field":"ADDRESS1","old":"C/O CITY HALL 131 CHURCH ST","new":"131 CHURCH ST"},{"field":"ZIP_PLUS_FOUR","old":"","new":"6503"}]},{"id":"8d889d809238","priority":"fyi","category":"remark","kind":"added","summary":"new runway 33 controlling obstacle clearance slope remark: CTNG obstruction exceeds a 45 degree slope.","source":"APT_RMK","original":"CTNG OBSTN EXCEEDS A 45 DEG SLP"},{"id":"46ff7f5279f1","priority":"fyi","category":"remark","kind":"added","summary":"new runway 33 end remark: 20 foot trees, 0-199 feet distance, 100-250 right","source":"APT_RMK","original":"20 FT TREES, 0-199 FT DSTC, 100-250 RITE"},{"id":"e32444c2369c","priority":"fyi","category":"remark","kind":"removed","summary":"removed airport manager contact remark: send all manager correspondance to CITY HALL 131 CHURCH ST. BELFAST, ME 04915.","source":"APT_RMK","original":"SEND ALL MGR CORRESPONDANCE TO CITY HALL 131 CHURCH ST. BELFAST, ME 04915."},{"id":"f03cb544510a","priority":"fyi","category":"remark","kind":"removed","summary":"removed airport transient hangar storage remark: Call ahead for available 603-970-1947.","source":"APT_RMK","original":"CALL AHD FOR AVBL 603-970-1947."},{"id":"ec99ee21c4c0","priority":"fyi","category":"remark","kind":"removed","summary":"removed attendance schedule remark: Call 603-970-1947 to contact airport manager.","source":"APT_RMK","original":"CALL 603-970-1947 TO CTC AMGR."},{"id":"b0d78b715ec3","priority":"fyi","category":"remark","kind":"changed","summary":"revised remark: landing fee waived with fuel purchase.","source":"APT_RMK","original":"LNDG FEE WAIVED WITH FUEL PURCHASE.","fields":[{"field":"REMARK","old":"LNDG FEE WAIVED WITH FUEL PURCHASE - CTC AMGR.","new":"LNDG FEE WAIVED WITH FUEL PURCHASE."}]},{"id":"5084ca9b06ec","priority":"fyi","category":"runway","kind":"changed","summary":"runway 15/33: pavement condition: good -> fair","source":"APT_RWY","fields":[{"field":"COND","old":"GOOD","new":"FAIR"}]},{"id":"8ce30ea630a3","priority":"fyi","category":"runway","kind":"changed","summary":"runway 33: controlling obstacle: none listed -> TREES 20 ft tall, 201 ft from threshold, 100 ft right of centerline; obstacle clearance slope: 20:1 -> 0:1","source":"APT_RWY_END","fields":[{"field":"CNTRLN_DIR_CODE","old":"","new":"R"},{"field":"CNTRLN_OFFSET","old":"","new":"100"},{"field":"DIST_FROM_THR","old":"","new":"201"},{"field":"OBSTN_CLNC_SLOPE","old":"20","new":"0"},{"field":"OBSTN_HGT","old":"","new":"20"},{"field":"OBSTN_TYPE","old":"","new":"TREES"}]},{"id":"ac12bedd653c","priority":"fyi","category":"airport","kind":"changed","summary":"services: dropped charter service (CHTR)","source":"APT_BASE","fields":[{"field":"OTHER_SERVICES","old":"CHTR,INSTR","new":"INSTR"}]}]}