Helena Regional
HLN · KHLN · Helena, MT · Towered · Print kneeboard · Open on the map
FAA airport diagramView full size ↓ Nearby now
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Weather
METAR observed
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TAF forecast
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Sun & FAA night2026-09-18 · night begins 08:04 PM
| Event | Local (MDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 06:39 AM | 12:39Z |
| Sunrise | 07:09 AM | 13:09Z |
| Sunset | 07:34 PM | 01:34Z |
| Evening civil twilight Loggable night begins | 08:04 PM | 02:04Z |
Plan a flight from KHLN
Past 24 hours category · wind · ceiling · visibility trends
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Density altitude today projected curve · departure window · takeoff roll
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Winds aloft NOAA forecast · 3,000 to 53,000 ft
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Full reports: KHLN METAR decoded · KHLN TAF decoded
Advisories
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Airspace hazards · Checking SIGMETs and G-AIRMETs…
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Runways
RWY 10LEFT traffic
- Heading
- 091° mag · 103° true
- Dimensions
- 1,584 × 75 ft
- TPA
- 4,900 ft MSL (≈1,000 AGL) · standard
- Surface
- Turf
- CTAF
- 118.3
More details — RWY 10
- Threshold elev
- 3,856 ft
- TDZ elevation
- 3,856 ft
Pattern side: FAA NASR · TPA standard 1,000 ft AGL (not charted) · layout: FAA runway-end coordinates
| Runway | Length | Your margin |
|---|---|---|
| 09/27 | 9,000 ft | |
| 05/23 | 4,644 ft | |
| 17/35 | 2,989 ft | |
| 10/28 | 1,584 ft |
Prefer one flat page? Full runway details for KHLN → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the KHLN kneeboard →
Comms & NavAids
Communication frequencies
Before taxi
“Helena”Taxi & takeoff
“Helena”Departure & arrival
“Helena”Also
ATC assigns the exact frequency (in your clearance or on handoff) — which one depends on your SID (departing) or STAR (arriving).
By procedure & sector (7 frequencies)
| Frequency | Used by |
|---|---|
| 40.65 | ARNG OPS |
| 126.2 | ARNG OPS |
| 229.4 | APCH/P DEP/P |
| 243.0 | EMERG |
| 257.8 | LCL/P |
| 285.4 | BUTTE RCAG (LOW) |
| 321.45 | ARNG OPS |
Source: FAA NASR (current 28-day cycle).
Instrument landing systems
RWY 27
| Runway | ILS |
|---|---|
| RWY 27 | ILS · CAT I · LOC 110.1 (HLN) · GS 3.00° |
Source: FAA NASR (current 28-day cycle).
Nearby navigation aids
HLN 117.70
| NavAid | Type | Freq · ch | Range | Radial / Dist magnetic |
|---|---|---|---|---|
| HLN · Helena | VORTAC | 117.70 · 124X | High | r258° / 1.2 NM |
Prefer one flat list? All KHLN frequencies →
Charts & procedures
Lowest minimums here: ILS with vertical guidance · VFR sectional →
Airport info
From the field
Do you run KHLN, or an FBO, flight school, or shop on it? Claim your listing to keep fuel, fees, hours, and services current.
Airport information
- ICAO / FAA LID
- KHLN / HLN
- Coordinates
- 46.6067, -111.9833
- Elevation
- 3,877 ft MSL
- Magnetic variation
- 12E
- Sectional chart
- GREAT FALLS
- Airport use
- Public
- Control tower
- Yes
- Tower hours
- 0600-2200
- 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 · 122.2 · 1-800-WX-BRIEF
- FSS outlet
- RCO → Great Falls Radio (24)
- 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
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 — 09: 4-light PAPI (left) · 27: 4-light PAPI (left) + MALSR · 05: 2-light PAPI (left) · 23: 2-light PAPI (left).
FAA night windows (civil twilight, loggable night §1.1, currency §61.57) are under Sun & FAA night in the Weather section.
Services fuel · repairs · oxygen · attendance
- 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 2 contacts
Remarks FAA · 16 notes
General
- 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.
Runways
- 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 & RWY 9/27.
- 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.
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.
Obstructions
- +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.
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Nearby airports
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Also nearby: 39MT Flying E Ranch (private) (4 NM) · MT46 M4 Strip (private) (5 NM) · MT15 Fort Harrison AAF (private) (5 NM) · 40MT Silver Creek (private) (7 NM) · MT06 Duncan (private) (8 NM) · MT83 Ten Mile (private) (8 NM)
Destination
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About KHLN
Helena Regional (HLN · KHLN) is an airport in Helena, MT, at 3,877 ft MSL. It has 4 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 has an operating FAA control tower. See the Comms & NavAids section for tower and ground frequencies.
What is the longest runway at KHLN?
Helena Regional has 4 runways; the longest is 9,000 ft. See the Runways section for headings, surface, and lighting.
Where is KHLN?
Helena Regional is in Helena, MT, at an elevation of 3,877 ft MSL. Coordinates: 46.6067, -111.9833.
More about KHLN
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.
Something here wrong or out of date? Report a data problem.