HLN · Helena Rgnl · Amend

HLN: 2 changes (1 action item) on 09 Jul 2026

Thu, 11 Jun 2026 09:01:00 +0000

FAA cycle effective 09 Jul 2026 at 0901Z, compared to 11 Jun 2026.

Action (1)

Remark: Remark updated: RWY 05/23 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 BTN TWY F & RWY 9/27.
FAA text: RWY 05/23 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 BTN TWY F & RWY 9/27.

FYI (1)

Chart: Airport diagram changed

See every change on Amend · FAA source

Not for navigation. Always use official FAA publications, NOTAMs and a proper preflight briefing.

HLN: 1 change (1 action item) on 22 Jan 2026

Thu, 25 Dec 2025 09:01:00 +0000

FAA cycle effective 22 Jan 2026 at 0901Z, compared to 25 Dec 2025.

Action (1)

Remark: New remark: SAID in use; operate transponders with altitude reporting mode and ADS-B (if equipped) enabled on all airport surfaces.
FAA text: SAID IN USE. OPERATE TRANSPONDERS WITH ALTITUDE REPORTING MODE AND ADS-B (IF EQUIPPED) ENABLED ON ALL AIRPORT SURFACES.

See every change on Amend · FAA source

Not for navigation. Always use official FAA publications, NOTAMs and a proper preflight briefing.

HLN: 3 changes (3 action items) on 30 Oct 2025

Thu, 02 Oct 2025 09:01:00 +0000

FAA cycle effective 30 Oct 2025 at 0901Z, compared to 02 Oct 2025.

Action (3)

Remark: New remark: RWY 05/23 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 BTN TWY F & TWY C.
FAA text: RWY 05/23 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 BTN TWY F & TWY C.
Remark: New remark: RWY 17/35 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 BTN TWY F & TWY C.
FAA text: RWY 17/35 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 BTN TWY F & TWY C.
Remark: Remark removed: RWY 05/23 & 17/35 EXC BTN TWY F & RWY 09/27 NOT AVBL TO ACR GTR THAN 30 PAX SEATS.
FAA text: RWY 05/23 & 17/35 EXC BTN TWY F & RWY 09/27 NOT AVBL TO ACR GTR THAN 30 PAX SEATS.

See every change on Amend · FAA source

Not for navigation. Always use official FAA publications, NOTAMs and a proper preflight briefing.

HLN: 2 changes (no action items) on 07 Aug 2025

Thu, 10 Jul 2025 09:01:00 +0000

FAA cycle effective 07 Aug 2025 at 0901Z, compared to 10 Jul 2025.

FYI (2)

Airport: Cold temperature airport (altitude correction at or below): -17C → -16C
Remark: Remark updated: Cold temperature airport; altitude correction required at or below -16C.
FAA text: COLD TEMPERATURE AIRPORT. ALTITUDE CORRECTION REQUIRED AT OR BELOW -16C.

See every change on Amend · FAA source

Not for navigation. Always use official FAA publications, NOTAMs and a proper preflight briefing.

HLN: 1 change (1 action item) on 17 Apr 2025

Thu, 20 Mar 2025 09:01:00 +0000

FAA cycle effective 17 Apr 2025 at 0901Z, compared to 20 Mar 2025.

Action (1)

Weather: AWOS/ASOS phone number changed to 406-290-3397

See every change on Amend · FAA source

Not for navigation. Always use official FAA publications, NOTAMs and a proper preflight briefing.

HLN: 15 changes (no action items) on 20 Mar 2025

Thu, 20 Feb 2025 09:01:00 +0000

FAA cycle effective 20 Mar 2025 at 0901Z, compared to 20 Feb 2025.

FYI (15)

Airport: Used for medical purposes: none → yes
Remark: New remark: CUST - 406-449-5506.
FAA text: CUST - 406-449-5506.
Remark: New remark: LNDG FEE GTR THAN 10000 LB.
FAA text: LNDG FEE GTR THAN 10000 LB.
Remark: Remark removed: LANDING RIGHTS CUSTOMS AVAILABLE - CALL 406-449-5506.
FAA text: LANDING RIGHTS CUSTOMS AVAILABLE - CALL 406-449-5506.
Remark: Remark removed: LNDG FEE FOR ALL COMMERCIAL ACFT & ALL ACFT OVER 10000 LBS.
FAA text: LNDG FEE FOR ALL COMMERCIAL ACFT & ALL ACFT OVER 10000 LBS.
Remark: Remark updated: +4 FT GND 0-200 FT FM RWY END 0-125 FT L & R.
FAA text: +4 FT GND 0-200 FT FM RWY END 0-125 FT L & R.
Remark: Remark updated: +6 FT GND 0-200 FT FM RWY END 350 FT R.
FAA text: +6 FT GND 0-200 FT FM RWY END 350 FT R.
Remark: Remark updated: ARFF PRVDD FOR SKED PART 121 ACR; OTRW PRIOR APVL RQRD - AMGR.
FAA text: ARFF PRVDD FOR SKED PART 121 ACR; OTRW PRIOR APVL RQRD - AMGR.
Remark: Remark updated: ARNG OPS 1400-0030Z++ MON-FRI, EXC HOL. CTN DURG TAX; AASF RAMP NOT STRESSED FOR LRG ACFT. RAMP ADVSY - 126.2, D406-324-5775, C406-324-5775. TSNT SVC NA AFT 2300Z++ MON-FRI; WKEND & HOL.
FAA text: ARNG OPS 1400-0030Z++ MON-FRI, EXC HOL. CTN DURG TAX; AASF RAMP NOT STRESSED FOR LRG ACFT. RAMP ADVSY - 126.2, D406-324-5775, C406-324-5775. TSNT SVC NA AFT 2300Z++ MON-FRI; WKEND & HOL.
Remark: Remark updated: ARNG: FT HARRISON AAF WI CLASS D; PAJA - MT ARNG OPS C406 324-5775/76, D324-5775/76.
FAA text: ARNG: FT HARRISON AAF WI CLASS D; PAJA - MT ARNG OPS C406 324-5775/76, D324-5775/76.
Remark: Remark updated: FUEL SVC- 406-442-2190.
FAA text: FUEL SVC- 406-442-2190.
Remark: Remark updated: RWY 05/23 & 17/35 EXC BTN TWY F & RWY 09/27 NOT AVBL TO ACR GTR THAN 30 PAX SEATS.
FAA text: RWY 05/23 & 17/35 EXC BTN TWY F & RWY 09/27 NOT AVBL TO ACR GTR THAN 30 PAX SEATS.
Remark: Remark updated: TWY A, B, & C BTN TWY A & RWY 35 NOT AVBL TO ACR GTR THAN 30 PAX SEATS.
FAA text: TWY A, B, & C BTN TWY A & RWY 35 NOT AVBL TO ACR GTR THAN 30 PAX SEATS.
Remark: Remark updated: WHEN ATCT CLSD ACTVT MALSR RWY 27; REIL RWY 09, 17 & 35; PAPI RWY 09 & 27; HIRL RWY 09/27; MIRL RWY 05/23 & 17/35 - CTAF.
FAA text: WHEN ATCT CLSD ACTVT MALSR RWY 27; REIL RWY 09, 17 & 35; PAPI RWY 09 & 27; HIRL RWY 09/27; MIRL RWY 05/23 & 17/35 - CTAF.
Frequency: Remark: WHEN ATCT CLSD ACTVT MALSR RWY 27; REIL RWY 09, 17 & 35; PAPI RWY 09 & 27; HIRL RWY 09/27; MIRL RWY 05/23 & 17/35; - CTAF. → WHEN ATCT CLSD ACTVT MALSR RWY 27; REIL RWY 09, 17 & 35; PAPI RWY 09 & 27; HIRL RWY 09/27; MIRL RWY 05/23 & 17/35 - CTAF.

See every change on Amend · FAA source

Not for navigation. Always use official FAA publications, NOTAMs and a proper preflight briefing.