Airport information
- ICAO / IATA
- KHLN / HLN
- Coordinates
- 46.6068, -111.9830
- Elevation
- 3,877 ft MSL
- Magnetic variation
- 12E
- Sectional chart
- GREAT FALLS
- Airport use
- Public
- Control tower
- Yes
- Airspace
- Class D · CLASS D SVC 0600-2200; OTHER TIMES CLASS E
- Weather station
- ASOS · 120.4 · ☎ 406-290-3397
- ARTCC
- SALT LAKE CITY (ZLC)
- Flight service (FSS)
- GREAT FALLS
- NOTAM facility
- HLN
- Attendance
- ALL 0500-0100
- Beacon
- white-green (SS-SR)
- Segmented circle
- Yes
- Wind indicator
- lighted
- FAR 139 class
- I B
- Landing fee
- Yes
- GPS MON airport
- Yes
- Activated
- 1940/04
- Distance from city
- 2 NE
Weather
METAR observed
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TAF forecast
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Sun & FAA night 2026-06-21
| Event | Local (MDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 04:55 AM | 10:55Z |
| Sunrise | 05:34 AM | 11:34Z |
| Sunset | 09:25 PM | 03:25Z |
| Evening civil twilight Loggable night begins | 10:04 PM | 04:04Z |
Plan a flight from KHLN
Night operations
- Airport lighting
- SEE RMK
- Rotating beacon
- white-green · SS-SR
- Pilot-controlled lighting
- 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. on 118.3 — Chart Supplement ↗
Runway lighting aids — 05: 2-light PAPI (left) · 23: 2-light PAPI (left) · 09: 4-light PAPI (left) · 27: 4-light PAPI (left) + MALSR.
FAA night windows (civil twilight, loggable night §1.1, currency §61.57) are in the live weather panel above.
Traffic pattern
- Landing
- Rwy 05 · 054°
- Pattern
- left (turns left)
- TPA
- 4,900 ft MSL (≈1,000 AGL)
- CTAF
- 118.3
Enter the left downwind for Rwy 05 at 4,900 ft MSL (≈1,000 AGL) on a 45°. TPA estimated at 1,000 ft AGL (not charted for this field).
Runway 05/23
4,644 ft × 75 ft · Asphalt (Fair)- Heading
- 054° mag · 66° true
- Markings
- basic
- VGSI
- 2-light PAPI (left) (3°)
- Traffic pattern
- Left
- Approach obstacle
- Road, 22 ft, 425 ft from threshold, 136 ft L of centerline — 10:1 slope to clear · penetrates the 20:1 visual approach surface
- Declared TORA/TODA/ASDA/LDA
- 4,644 / 4,644 / 4,644 / 4,644 ft
- Heading
- 234° mag · 246° true
- Markings
- basic
- VGSI
- 2-light PAPI (left) (3°)
- Traffic pattern
- Right
- Approach obstacle
- Fence, 8 ft, 550 ft from threshold, 165 ft L of centerline — 43:1 slope to clear
- Declared TORA/TODA/ASDA/LDA
- 4,644 / 4,644 / 4,644 / 4,644 ft
Runway 09/27
9,000 ft × 150 ft · Asphalt (Good)- Heading
- 090° mag · 102° true
- Markings
- precision
- VGSI
- 4-light PAPI (left) (3.3°)
- Traffic pattern
- Left
- Approach obstacle
- Gnd, 6 ft, 200 ft from threshold, 350 ft R of centerline — 34:1 slope to clear
- Declared TORA/TODA/ASDA/LDA
- 9,000 / 9,000 / 9,000 / 9,000 ft
- End lights
- REIL
- Heading
- 270° mag · 282° true
- Markings
- precision
- VGSI
- 4-light PAPI (left) (3°)
- Approach lights
- MALSR
- Instrument landing
- ILS · CAT I · LOC 110.1 (HLN) · GS 3.00°
- Traffic pattern
- Right
- Declared TORA/TODA/ASDA/LDA
- 9,000 / 9,000 / 9,000 / 9,000 ft
Runway 16/34
2,989 ft × 75 ft · ASP- Heading
- 167° mag · 179° true
- Heading
- 347° mag · 359° true
| Runway | Length | Your margin |
|---|---|---|
| 05/23 | 4,644 ft | |
| 09/27 | 9,000 ft | |
| 16/34 | 2,989 ft |
Communication frequencies
| Service | Frequency | Notes |
|---|---|---|
| A/D | 119.5 | APP/DEP |
| ATIS | 120.4 | |
| CTAF | 118.3 | |
| GND | 121.9 | |
| OPS | 40.65 | ARNG OPS |
| RDO | 122.55 | GREAT FALLS RDO |
| TWR | 118.3 | |
| UNIC | 122.95 | UNICOM |
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| HLN · Helena | VORTAC | 117.70 | r254° / 1.2 NM |
Airport diagram
Open PDF ↗Preview diagram
Procedures at a glance
Approaches10
Minimums & Hot Spots
Chart Supplement FAA A/FD
Open PDF ↗Preview Chart Supplement
VFR sectional
Services
- Fuel available
- 100, 100LL, Jet A
- Bottled oxygen
- HIGH
- Bulk oxygen
- HIGH
- Airframe service
- MAJOR
- Powerplant service
- MAJOR
- Parking
- tiedowns, hangars
- Other services
- Air freight, Agricultural, Air ambulance, Cargo, Charter, Instruction, Rental, Aircraft sales, Survey
Ownership & management
Remarks FAA
- ARFF PRVDD FOR SKED PART 121 ACR; OTRW PRIOR APVL RQRD - AMGR.
- FLIGHT NOTIFICATION SERVICE (ADCUS) AVBL.
- TWY A, B, & C BTN TWY A & RWY 35 NOT AVBL TO ACR GTR THAN 30 PAX SEATS.
- 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.
- FUEL SVC- 406-442-2190.
- COLD TEMPERATURE AIRPORT. ALTITUDE CORRECTION REQUIRED AT OR BELOW -16C.
- ARNG: FT HARRISON AAF WI CLASS D; PAJA - MT ARNG OPS C406 324-5775/76, D324-5775/76.
- FOR CD IF UNA TO CTC ON FSS FREQ, CTC SALT LAKE ARTCC AT 801-320-2568.
- LNDG FEE GTR THAN 10000 LB.
- 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.
- CUST - 406-449-5506.
- PCR VALUE: 300/F/D/X/T
- PCR VALUE: 790/F/D/X/T
- PCR VALUE: 460/F/D/X/T
- 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.
- 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.
- +6 FT GND 0-200 FT FM RWY END 350 FT R.
- +4 FT GND 0-200 FT FM RWY END 0-125 FT L & R.
Nearby airports
Weather is live from the Aviation Weather Center; airport facility data is from the FAA NASR (28-day cycle). For planning and education only; always verify against official sources. Open KHLN in a full tool: METAR/TAF decoder, crosswind calculator, sun & night times, or the density altitude calculator. Planning from here? Find the nearest airport with fuel or an approach, or check whether an IFR alternate is required.
About KHLN
Helena Regional Airport (HLN · KHLN) is an airport in Helena, MT, at 3,877 ft MSL. It has 3 runways, the longest 9,000 ft, with a control tower. This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for KHLN, refreshed from the Aviation Weather Center and FAA NASR.
Does KHLN have a control tower?
Yes. Helena Regional Airport has an operating FAA control tower. Check the Comms & NavAids tab for tower and ground frequencies.
What is the longest runway at KHLN?
Helena Regional Airport has 3 runways; the longest is 9,000 ft. See the Runways tab for headings, surface, and lighting.
Where is KHLN?
Helena Regional Airport is in Helena, MT, at an elevation of 3,877 ft MSL. Coordinates: 46.6068, -111.9830.
Fly out of KHLN often?
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