{"schema_version":1,"airport":"4B1","entries":[{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"e005ad9c49be","priority":"fyi","category":"runway","kind":"changed","summary":"runway 10: controlling obstacle changed (now 67 ft tall, 431 ft from threshold, 53 ft right of centerline, clearance slope 6:1)","source":"APT_RWY_END","fields":[{"field":"CNTRLN_DIR_CODE","old":"L","new":"R"},{"field":"CNTRLN_OFFSET","old":"119","new":"53"},{"field":"DIST_FROM_THR","old":"255","new":"431"},{"field":"OBSTN_CLNC_SLOPE","old":"5","new":"6"},{"field":"OBSTN_HGT","old":"51","new":"67"}]},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"5662d883cd92","priority":"fyi","category":"runway","kind":"changed","summary":"runway 28: controlling obstacle changed (now 94 ft tall, 101 ft from threshold, 129 ft right of centerline, clearance slope 1:1)","source":"APT_RWY_END","fields":[{"field":"CNTRLN_OFFSET","old":"106","new":"129"},{"field":"DIST_FROM_THR","old":"249","new":"101"},{"field":"OBSTN_CLNC_SLOPE","old":"4","new":"1"},{"field":"OBSTN_HGT","old":"60","new":"94"}]},{"cycle":"2025-01-23","from_cycle":"2024-12-26","id":"3541f244574f","priority":"fyi","category":"airport","kind":"changed","summary":"airport phone number changed to 518-390-1133","source":"APT_CON","fields":[{"field":"PHONE_NO","old":"518-421-8881","new":"518-390-1133"}]},{"cycle":"2024-12-26","from_cycle":"2024-11-28","id":"88d66d2b4aa3","priority":"fyi","category":"airport","kind":"changed","summary":"airport phone number changed to 518-390-1133; name changed: Mike Garramone -> Mary Elizabeth Slevin","source":"APT_CON","fields":[{"field":"NAME","old":"MIKE GARRAMONE","new":"MARY ELIZABETH SLEVIN"},{"field":"PHONE_NO","old":"518-421-8881","new":"518-390-1133"}]}],"first_cycle":"2024-12-26","last_cycle":"2026-09-03"}