| Domestic |
11/24/25 1755Z | 3/24/26 1755Z | | !HLN 11/139 HLN OBST TOWER LGT (ASR 1059779) 463534.20N1115953.40W (1.0NM SW HLN) 4085.0FT (86.0FT AGL) U/S 2511241755-2603241755 |
11/24/25 1753Z | | | !HLN 11/140 HLN OBST TOWER LGT (ASR 1246290) 463559.60N1115928.20W (0.5NM SW HLN) 3987.9FT (81.0FT AGL) U/S 2511241753-2512241700EST |
11/15/25 2119Z | 12/31/25 2330Z | | !HLN 11/111 HLN AD AP BIRD ACT MIGRATORY BIRDS IN THE AREA 2511152119-2512312330 |
10/1/25 0715Z | 10/2/26 2000Z | | !HLN 10/009 HLN NAV RWY 27 BACK COURSE U/S 2510010715-2610022000 |
9/2/25 2007Z | 11/30/25 2300Z | Runway | !HLN 09/015 HLN RWY 05 SIGNS LGT U/S 2509022007-2511302300 |
9/2/25 2006Z | 11/30/25 2300Z | Runway | !HLN 09/014 HLN RWY 05/23 REDL U/S 2509022006-2511302300 |
9/2/25 2005Z | 11/30/25 0900Z | Runway | !HLN 09/013 HLN RWY 05/23 CLSD DLY SS-SR 2509022005-2511300900 |
7/29/25 1516Z | 7/31/26 2200Z | | !HLN 07/180 HLN APRON NTL GUARD AND FOREST SERVICE HVY RAMP, MNG HEL RAMP CLSD FOR TRANSIENT ACFT 2507291516-2607312200 |
| FDC |
1/25/24 0901Z | | | !FDC 4/7342 HLN IAP HELENA RGNL, HELENA, MT. RNAV (RNP) Z RWY 27, AMDT 2... CHANGE NOTE TO READ: FOR INOPERATIVE ALS, INCREASE RNP 0.13 DA* VISIBILITY ALL CATS TO 7/8 SM, RNP 0.30 DA# VISIBILITY ALL CATS TO 1 3/8 SM. 2401250901-2601261654EST |