{"schema_version":1,"from_cycle":"2026-10-01","to_cycle":"2026-10-29","airport":"HEF","counts":{"action":3,"ifr":5,"fyi":3},"changes":[{"id":"9083d769a996","priority":"action","category":"remark","kind":"added","summary":"new airport Part 139 ARFF certification remark: 24 hour prior permission required for unscheduled Air Carrier operations; contact airport Aircraft Rescue and Fire Fighting 703-587-6302.","source":"APT_RMK","original":"24 HR PPR FOR UNSKED ACR OPS; CTC ARPT ARFF 703-587-6302."},{"id":"7cb3c1e51f2c","priority":"action","category":"frequency","kind":"added","summary":"new frequency 115.65/103Y (HEF DME)","source":"FRQ","fields":[{"field":"FACILITY","old":"","new":"HEF"},{"field":"FAC_NAME","old":"","new":"MANASSAS"},{"field":"FACILITY_TYPE","old":"","new":"NAVAID"},{"field":"SERVICED_FACILITY","old":"","new":"HEF"},{"field":"SERVICED_FAC_NAME","old":"","new":"MANASSAS"},{"field":"SERVICED_SITE_TYPE","old":"","new":"DME"},{"field":"SERVICED_CITY","old":"","new":"WASHINGTON"},{"field":"SERVICED_STATE","old":"","new":"DC"},{"field":"SERVICED_COUNTRY","old":"","new":"US"},{"field":"FREQ","old":"","new":"115.65/103Y"},{"field":"FREQ_USE","old":"","new":"HEF DME"}]},{"id":"b754c9ad3cd2","priority":"action","category":"remark","kind":"removed","summary":"removed remark: Aircraft Rescue and Fire Fighting index B services available 0700-1900 daily, prior permission required 48 hours for Aircraft Rescue and Fire Fighting index C or standby service outside operating hours. Fee for additional service. Call Aircraft Rescue and Fire Fighting at 703-587-6302.","source":"APT_RMK","original":"ARFF INDEX B SVCS AVBL 0700-1900 DAILY, PPR 48HRS FOR ARFF INDEX C OR STANDBY SVC OUTSIDE OPRG HRS. FEE FOR ADDNL SVC. CALL ARFF AT 703-587-6302."},{"id":"8e7ad2fd5320","priority":"ifr","category":"chart","kind":"changed","summary":"approach ILS OR LOC RWY 16L redrawn (still amdt 0A)","source":"D-TPP","chart":{"code":"IAP","name":"ILS OR LOC RWY 16L","amdt":"0A","pdf":"https://aeronav.faa.gov/d-tpp/2611/05326IL16L.PDF"}},{"id":"85ac20a096da","priority":"ifr","category":"chart","kind":"changed","summary":"approach RNAV (GPS) RWY 16L redrawn (still amdt 2A)","source":"D-TPP","chart":{"code":"IAP","name":"RNAV (GPS) RWY 16L","amdt":"2A","pdf":"https://aeronav.faa.gov/d-tpp/2611/05326R16L.PDF"}},{"id":"d863e3097c76","priority":"ifr","category":"chart","kind":"changed","summary":"approach RNAV (GPS) RWY 16R redrawn (still amdt 2A)","source":"D-TPP","chart":{"code":"IAP","name":"RNAV (GPS) RWY 16R","amdt":"2A","pdf":"https://aeronav.faa.gov/d-tpp/2611/05326R16R.PDF"}},{"id":"ad1686d24030","priority":"ifr","category":"chart","kind":"changed","summary":"approach RNAV (GPS) RWY 34L redrawn (still original)","source":"D-TPP","chart":{"code":"IAP","name":"RNAV (GPS) RWY 34L","amdt":"0","pdf":"https://aeronav.faa.gov/d-tpp/2611/05326R34L.PDF"}},{"id":"44a255f23cb9","priority":"ifr","category":"chart","kind":"changed","summary":"approach RNAV (GPS) RWY 34R redrawn (still amdt 3B)","source":"D-TPP","chart":{"code":"IAP","name":"RNAV (GPS) RWY 34R","amdt":"3B","pdf":"https://aeronav.faa.gov/d-tpp/2611/05326R34R.PDF"}},{"id":"83f2a3b8a6af","priority":"fyi","category":"airport","kind":"changed","summary":"Part 139 carrier service: none -> receives scheduled air carrier service (S); Part 139 ARFF certification: none -> I C","source":"APT_BASE","fields":[{"field":"FAR_139_CARRIER_SER_CODE","old":"","new":"S"},{"field":"FAR_139_TYPE_CODE","old":"","new":"I C"}]},{"id":"5376d3e92aeb","priority":"fyi","category":"navaid","kind":"added","summary":"new navaid: HEF DME (115.65)","source":"NAV_BASE","fields":[{"field":"NAV_ID","old":"","new":"HEF"},{"field":"NAV_TYPE","old":"","new":"DME"},{"field":"NAV_STATUS","old":"","new":"OPERATIONAL IFR"},{"field":"NAME","old":"","new":"MANASSAS"},{"field":"STATE_NAME","old":"","new":"DIST. OF COLUMBIA"},{"field":"REGION_CODE","old":"","new":"AEA"},{"field":"COUNTRY_NAME","old":"","new":"UNITED STATES"},{"field":"OWNER","old":"","new":"F-FEDERAL AVIATION ADMINISTRATION"},{"field":"OPERATOR","old":"","new":"F-FEDERAL AVIATION ADMINISTRATION"},{"field":"NAS_USE_FLAG","old":"","new":"Y"},{"field":"PUBLIC_USE_FLAG","old":"","new":"Y"},{"field":"OPER_HOURS","old":"","new":"24"},{"field":"HIGH_ALT_ARTCC_ID","old":"","new":"ZDC"},{"field":"HIGH_ARTCC_NAME","old":"","new":"WASHINGTON"},{"field":"LOW_ALT_ARTCC_ID","old":"","new":"ZDC"},{"field":"LOW_ARTCC_NAME","old":"","new":"WASHINGTON"},{"field":"TACAN_DME_STATUS","old":"","new":"OPERATIONAL IFR"},{"field":"SIMUL_VOICE_FLAG","old":"","new":"N"},{"field":"AUTO_VOICE_ID_FLAG","old":"","new":"N"},{"field":"MNT_CAT_CODE","old":"","new":"1"},{"field":"VOICE_CALL","old":"","new":"NONE"},{"field":"CHAN","old":"","new":"103Y"},{"field":"FREQ","old":"","new":"115.65"},{"field":"FSS_ID","old":"","new":"DCA"},{"field":"FSS_NAME","old":"","new":"LEESBURG"},{"field":"FSS_HOURS","old":"","new":"24"},{"field":"NOTAM_ID","old":"","new":"HEF"},{"field":"PITCH_FLAG","old":"","new":"N"},{"field":"CATCH_FLAG","old":"","new":"N"},{"field":"SUA_ATCAA_FLAG","old":"","new":"N"}]},{"id":"11b8aa48ead0","priority":"fyi","category":"chart","kind":"changed","summary":"airport diagram changed","source":"D-TPP","chart":{"code":"APD","name":"AIRPORT DIAGRAM","amdt":"","pdf":"https://aeronav.faa.gov/d-tpp/2611/05326AD.PDF"}}]}