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KHLN · Helena Regional Airport

ICAO · US · 33 NTSB events

ID KHLN FAA HLN Elev 3,877 ft Lat 46° 36.41' N Lon 111° 58.98' W Zulu …

Live conditions

METAR

fetching…

Wind / Visibility

—

Density altitude (now)

—

Decode in METAR tool TAF on AWC ↗ NOTAMs ↗

Aerial view

No FAA diagram published

Imagery © Esri, Maxar, Earthstar Geographics, USDA FSA

Runways

6 runway ends on file. Longest: 9,000 ft. Max gradient: 1.69% (noticeable slope — affects performance)

Designator Heading Length Width Surface Lighting Gradient
09 103° 9,000 ft 150 ft ASP Yes 0.21%
27 283° 9,000 ft 150 ft ASP Yes 0.21%
05 066° 4,644 ft 75 ft ASP Yes 1.24%
23 246° 4,644 ft 75 ft ASP Yes 1.24%
16 179.3° 2,989 ft 75 ft ASP Yes —
34 359.3° 2,989 ft 75 ft ASP Yes —

Lengths + headings: in-app airport database. Surface, width, lighting: OurAirports. Gradient: derived from FAA NASR runway-end elevations (NASR's RWY_GRAD field is empty in 99.99% of rows).

Communications · 8 frequencies

  • ATIS ATIS 120.400
  • GND GND 121.900
  • TWR TWR 118.300
  • CTAF CTAF 118.300
  • A/D APP/DEP 119.500
  • OPS ARNG OPS 40.650
  • RDO GREAT FALLS RDO 122.550
  • UNIC UNICOM 122.950

Live ATC audio (streaming + archived): Open KHLN on LiveATC ↗

  • NDB CVP

    Capitol

    0.34 MHz · TERMINAL · MEDIUM

  • NDB HAU

    Hauser

    0.39 MHz · TERMINAL · LOW

  • VORTAC HLN

    Helena

    117.70 MHz · DME 117.70 · BOTH · HIGH

Chart Supplement remarks, plain English · cycle 22JAN2026 · 5 matched · 27 not yet translated

Translations anchored to the FAA text; the raw FAA text is authoritative.

TL;DR

  • ·Non-standard pattern direction on Runway 09–27: right traffic. Watch for traffic from the opposite quadrant.
  • ·Non-standard pattern direction on Runway 05–23: right traffic. Watch for traffic from the opposite quadrant.
  • ·Non-standard pattern direction on Runway 17–35: right traffic. Watch for traffic from the opposite quadrant.

Watch for

  • Non-standard pattern direction on Runway 09–27: right traffic. Watch for traffic from the opposite quadrant.

    right traffic

  • Non-standard pattern direction on Runway 05–23: right traffic. Watch for traffic from the opposite quadrant.

    right traffic

  • Non-standard pattern direction on Runway 17–35: right traffic. Watch for traffic from the opposite quadrant.

    right traffic

  • Pilot-controlled lighting: click mic 7 times on the CTAF to activate MALSR Rwy 27, REIL Rwy 09, 17 and 35; PAPI Rwy 09 and Rwy 27; HIRL Rwy 09–27; MIRL Rwy 05–23 and 17–35. Lights stay on 15 minutes — click again to refresh.

    pcl ctaf

All translated remarks (5)

  • Non-standard pattern direction on Runway 09–27: right traffic. Watch for traffic from the opposite quadrant.

    Raw FAA text · preamble · operational

    RWY 09–27: H9000X150 (ASPH–PFC) D–160, 2S–175, 2D–250, 2D/2D…

  • Non-standard pattern direction on Runway 05–23: right traffic. Watch for traffic from the opposite quadrant.

    Raw FAA text · preamble · operational

    RWY 05–23: H4644X75 (ASPH–PFC) S–21, D–30 PCR 300 F/D/X/T MI…

  • Non-standard pattern direction on Runway 17–35: right traffic. Watch for traffic from the opposite quadrant.

    Raw FAA text · preamble · operational

    RWY 17–35: H2989X75 (ASPH–PFC) PCR 460 F/D/X/T MIRL 1.7% up…

  • Pilot-controlled lighting: click mic 7 times on the CTAF to activate MALSR Rwy 27, REIL Rwy 09, 17 and 35; PAPI Rwy 09 and Rwy 27; HIRL Rwy 09–27; MIRL Rwy 05–23 and 17–35. Lights stay on 15 minutes — click again to refresh.

    Raw FAA text · service · operational

    ACTVT MALSR Rwy 27, REIL Rwy 09, 17 and 35; PAPI Rwy 09 and Rwy 27; HIRL Rwy 09–27; MIRL Rwy 05–23 and 17–35—CTAF

  • Airport attended 1200–0800Z‡. Self-service or limited operations outside attended hours.

    Raw FAA text · airport remarks · advisory

    Attended 1200–0800Z‡.

Not yet translated · raw FAA text (27 sentences)
  • ·RWY 10–28: 1584X75 (TURF) 0.3% up W
  • ·RWY 05: TORA–4644 TODA–4644 ASDA–4644 LDA–4644 RWY 09: TORA–9000 TODA–9000 ASDA–9000 LDA–9000 RWY 17: TORA–2989 TODA–2989 ASDA–2989 LDA–2989 RWY 23: TORA–4644 TODA–4644 ASDA–4644 LDA–4644 RWY 27: TORA–9000 TODA–9000 ASDA–9000 LDA–9000 RWY 35: TORA–2989 TODA–2989 ASDA–2989 LDA–2989
  • ·MILITARY— FUEL Svc—(406)442–2190
  • ·Cold temperature airport.
  • ·Altitude correction required at or below –16C.
  • ·Twy A, B, and C btn Twy A and Rwy 35 not avbl to acr gtr than 30 pax seats.
  • ·ARFF pvdd for sked Part 121 acr; otrw prior apvl rqrd—amgr.
  • ·Operate transponders with altitude reporting mode and ADS–B (if equipped) enabled on all airport surfaces.
  • ·Landing Rights Arpt (LRA): Cust—(406)–449–5506.
  • ·Lndg fee gtr than 10,000 lbs.
  • ·Flight Notification Service (ADCUS) avbl.
  • ·: ARNG Ops 1400–0030Z‡ Mon–Fri, exc hol.
  • ·Ctn durg tax; AASF ramp not stressed for large acft.
  • ·Ramp advsy—126.2, D406–324–5775, C406–324–5775.
  • ·Tsnt svc NA aft 2300Z‡ Mon–Fri, wkend and hol.
  • ·Ft Harrison AAF wi Class D; Paja—MT ARNG Ops C406–324–5775/76, D324–5775/76.
  • ·AIRPORT MANAGER: 406-442-2821
  • ·ASOS 120.4 (406) 290–3397.
  • ·CTAF 118.3 ATIS 120.4 UNICOM 122.95 RCO 122.2 (GREAT FALLS RADIO) ®APP/DEP CON 119.5 229.4 (1300–0500Z‡) ®SALT LAKE CENTER APP/DEP CON 133.4 285.4 (0500–1300Z‡) TOWER 118.3 257.8 (1300–0500Z‡) GND CON 121.9 ARNG OPS 40.65 126.2 321.45 CLEARANCE DELIVERY PHONE: For CD if una to ctc on FSS freq, ctc Salt Lake ARTCC at 801-320-2568.
  • ·CONTINUED ON NEXT PAGE GREAT FALLS H–1D, L–13C IAP, DIAP, AD NW, 22 JAN 2026 to 19 MAR 2026 122 MONTANA CONTINUED FROM PRECEDING PAGE
  • ·CLASS D svc 1300–0500Z‡; other times CLASS E.
  • ·(VH) (H) VORTACW 117.7 HLN Chan 124 N46º36.41´ W111º57.21´ 258º 1.2 NM to fld. 3826/12E.
  • ·VOR unusable: 039º–054º byd 35 NM blo 12,000´ 074º–084º byd 40 NM blo28,000´ 086º–090º byd 40 NM 091º–101º byd 40 NM blo 18,000´ 102º–108º byd 47 NM 102º–108ºbyd 40 NM blo 10,800´ 109º–169º byd 25 NM blo 17,000´ 166º–258º byd 40 NM 169º–189º byd 25 NM blo 13,500´ 189º–234º byd 25 NM blo 13,500´ 207º–217º byd 22 NM blo13,000´ 234º–274º byd 25 NM blo12,500´ 259º–263º byd 40 NM blo 13,000´ 259º–279º byd 60 NM blo 18,000´ 259º–279º byd 65 NM blo 28,000´ 280º–293º byd 40 NM 294º–304º byd 87 NM 298º–308º byd 40 NM blo 15,500´ 309º–334º byd 40 NM 335º–345º byd 40 NM blo 9,500´ 335º–345º byd 56 NM TACAN AZIMUTH unusable: 039º–074º byd 35 NM blo 13,000´ 109º–154º byd 15 NM 154º–169º byd 15 NM blo 17,000´ 169º–189º byd 25 NM blo 13,500´ 189º–214º byd 15 NM 204º–354º byd 25 blo 14,000´ 214º–254º byd 15 NM blo 17,500´ 324º–039º byd 25 NM blo 13,000´ DME unusable: 035º–070º byd 35 NM blo 13,000´ 105º–210º byd 25 NM 109º–154º byd 25 NM 109º–214º byd 15 NM blo 11,000´ 109º–214º byd 20 NM blo 12,000´ 154º–169º byd 25 NM blo 17,000´ 165º–185º byd 25 NM blo 13,500´ 189º–214º byd 25 NM 207º–217º 22 NM blo 13,000´ 214º–254º byd 15 NM blo 12,000´ 214º–254º byd 25 NM blo 17,000´ 250º–300º byd 25 NM blo 14,000´ 320º–035º byd 25 NM blo 13,000´ VOR unusable: 360º–069º byd 40 NM 342º–359º byd 40 NM HAUSER NDB (MHW) 386 HAU N46º34.13´ W111º45.48´ 272º 9.6 NM to fld. 4026/12E.
  • ·NDB unmonitored when HLN ATCT clsd.
  • ·Unmonitored when ATCT closed.
  • ·Localizer backcourse unusable byd 22º rgt of course, unusable within 2.7 DME.
  • ·HELLER FARM (See WINIFRED on page 153) NW, 22 JAN 2026 to 19 MAR 2026

Field profile

Use

Public-use

Ownership

Public

Scheduled service

Yes

IATA · HLN

FAA Chart Supplement

NTSB events

33 NTSB-recorded events on file at this airport .

Total events

31

since 1982

Fatal

3

9.7% of total

Last 5 years

3

≈ 0.6/yr

Last 10 years

6

≈ 0.6/yr

Ranking across all airports · Open in accident map ↗

Operations volume

FAA TAF · history through 2024

2005 2024

Peak: 69,950 ops in 1999

2024 total

44,403

10-yr total

432,945

2024 mix

AC/AT 15% · GA 75% · Mil 10%

Events / million ops

13.9

last 10 years

Fatal / million ops

1.34

approximate · 10-yr scaled

Last 10 years · n=7

  • Loss of control 2
  • Stall / spin 2
  • Other 1
  • Gear-up landing 1
  • Fuel exhaustion / starvation 1

All time · n=33

  • Other 11
  • Loss of control 6
  • Ground collision 3
  • Fuel exhaustion / starvation 3
  • Stall / spin 3
  • Engine failure / power loss 3
  • Gear-up landing 2
  • Controlled flight into terrain 1

Categories rule-matched from NTSB findings and probable-cause text. "Other" = not enough agency text to classify.

Date Aircraft · Classification · Wx Sev
2014-05-23 OLSON KITFOX II · Loss of control · VMC · day →
2011-01-26 Cessna 180H · Loss of control · day →
2009-09-11 Cessna 305A · Loss of control · VMC · day →
2025-07-23 Beech B35 · Stall / spin · VMC · dusk →
2025-06-29 Bellanca 7GCBC · Loss of control · VMC · dusk →
2025-03-16 Beech C90A · Stall / spin · day →
2024-07-10 AIR TRACTOR INC AT-802A · Loss of control · VMC · day →
2021-08-11 Cessna 425 · Fuel exhaustion · VMC · day →
2020-01-08 Piper PA 23 · Gear-up · day →
2018-08-11 Qac Quickie · Other · VMC · day →
2016-07-18 Beech 19A · Fuel exhaustion · IMC · day →
2015-01-20 Piper PA 28-140 · Engine failure · day →
2013-08-02 Mooney M20F · Runway excursion · VMC · day →
2008-07-27 Bellanca 7GCBC · Loss of control · VMC · day →
2007-09-12 Cessna 172L · Ground collision · dusk →
2006-08-22 Kinnson Lancair IV-P Turbine · Engine failure · day →
2005-08-20 Alon A-2A · Engine failure · VMC · day →
2002-10-13 Bellanca 7GCBC · Other · VMC · day →
2002-06-17 Cessna 180K · CFIT · VMC · day →
2002-04-20 Stinson 108-2 · Stall / spin · VMC · day →
2000-07-27 Root Sherpa · Other · VMC · day →
1998-06-16 Aero Commander 680FL · Other · day →
1997-01-04 Cessna 150K · Other · VMC · day →
1995-06-18 Boeing A75N1 · Other · VMC · day →
1994-08-20 Beech 99 · Gear-up · VMC · night →
1993-09-24 White BD-5 · Other · dusk →
1992-09-26 Cessna T210N · Fuel exhaustion · VMC · night →
1991-02-07 Cessna 172M · Other · day →
1990-05-06 Cessna C-180E · Other · VMC · day →
1988-04-08 Cessna 310I · Other · night →
1988-02-03 Cessna 421A · Other · night →
1986-08-24 MAYALA Dragonfly · Ground collision · VMC · day →
1983-12-01 Cessna 172N · Ground collision · VMC · night →

Designees in MT

CFI Flight Instructors 508 A&P Mechanics 1,200 AME Medical Examiners (AME) 20 DME Mechanic Examiners (DME) 3 DPRE Parachute Rigger Examiners (DPRE) 5 DAR-F Manufacturing Airworthiness (DAR-F) 1 DAR-T Maintenance Airworthiness (DAR-T) 4 DER-Y Engineering — Company (DER-Y) 1 DER-T Engineering — Consultant (DER-T) 2 SAE Specialty Aircraft Examiners (SAE) 19 Schools Flight Schools 22 FBO Fixed Base Operators 44 Clubs Flying Clubs 11 Repair Repair / Maintenance Shops 6 EAA EAA Chapters 8

DPEs nearby

Distance is city-centroid to airport, a first cut, not the exam location.

Designee City ST Distance
Abraham Lloyd Fandrich Clancy MT 9 nm
Gregory Bruce Mecklenburg Bozeman MT 68 nm
Jeffrey Cook Bozeman MT 68 nm
Peta Sarah Sheridan Bozeman MT 68 nm
Ryan Baer Missoula MT 86 nm
Timothy Franklin Mead Missoula MT 86 nm
Daniel Scott Langford Lewistown MT 107 nm
Perry Lee Brown Kalispell MT 136 nm
Christopher Lee Farmer Laurel MT 145 nm
Kent William Potter Laurel MT 145 nm

Showing 10 closest of ~1,400 DPEs nationwide. Source: FAA Designee Locator.

CFIs nearby

City-centroid distance; ratings as on the FAA certificate.

Instructor City ST Distance
Richard Royal Burger Helena MT 2 nm
James Franklin Carlson Helena MT 2 nm
Leo Cort Dutton Helena MT 2 nm
David Edward Gans Helena MT 2 nm
Dennis Mark Prody Helena MT 2 nm
Brent Eliot Vetter Helena MT 2 nm
Leo Vern Wadekamper Helena MT 2 nm
Mary Susan Wadekamper Helena MT 2 nm
Craig Steven Whitmire Helena MT 2 nm
Randall Scott Yaeger Helena MT 2 nm

Showing 10 closest of ~70,900 active CFIs nationwide. Source: FAA Airmen Certification Database.

A&P mechanics nearby

City-centroid distance. A = airframe, P = powerplant, IA = inspection authorization.

Mechanic City ST Distance
Leo Cort Dutton Helena MT 2 nm
Terry Lowel Spath Helena MT 2 nm
Brent Eliot Vetter Helena MT 2 nm
Leo Vern Wadekamper Helena MT 2 nm
Mary Susan Wadekamper Helena MT 2 nm
Craig Steven Whitmire Helena MT 2 nm
Duane Allen Wock Helena MT 2 nm
Bradley Christian Garber Helena MT 2 nm
Kenneth H Wilhelm Helena MT 2 nm
Robert Allen Efinger Helena MT 2 nm

Showing 10 closest of ~248,300 certificated mechanics nationwide. Source: FAA Airmen Certification Database.

Repair stations nearby

By airport location.

Shop Distance
JL Aerospace
Three Forks, MT
 47 nm
Pristine Jets
Belgrade, MT
 60 nm
Million Air Bozeman
Belgrade, MT
 61 nm
Dustin's Aircraft Maintenance and Upholstery
Great Falls, MT
 66 nm
Pristine Jets
Missoula, MT
 89 nm
Montana Aviation Maintenance, LLC
Cut Bank, MT
 121 nm
Advanced Avionics Solutions, LLC
Hayden, ID
 209 nm
Skyline Aircraft Maintenance
Nampa, ID
 265 nm
Huey's Aviation Painting
Colville, WA
 266 nm
Atlas Aero Service
Casper, WY
 324 nm

Showing 10 closest of ~400 geocoded shops in the repair-station directory. Source: AOPA business listings.