Reference data only — not for flight planning or navigation. Verify with official sources (AIP, NOTAMs, ATC). Full disclaimer

Helena Regl (KHLN/HLN) — Helena, United States

At a glance

Operating hours: 11:00–07:00 UTC
Port of entry: Yes, with conditions
Fuel: 100, 100LL, Jet A
Tower: 118.3
Runways: 05/23, 09/27, 16/34, 10/28 +
Elevation: 3,877 ft

Times in UTC. Reference only: verify with the AIP and NOTAMs.

This information may contain errors or be outdated. Create a free account to suggest corrections and earn points.

90% Data Complete 47 of 52 points

Missing: Contacts

Section Breakdown

Basic Info 7/7

Runways 4/4

Frequencies 4/4

Operations 2/2

Fuel 1/1

Contacts 0/2

Additional Info 7/10

Data last updated: 2026-03-27

Help keep this data accurate!
See a next to a field? Click it to confirm the info is still correct. Recently verified Outdated — please verify

Basic Airport Information

ICAO: KHLN
Name: Helena Regl
Type: medium_airport
Category: Domestic
Latitude: 46.6068
Longitude: -111.983002
Elevation: 3877 ft
Country: United States
Municipality: Helena
IATA Code: HLN
FAA Code: N/A
FIR: N/A
Timezone: America/Denver
Distance from City: 4.4 km
VFR: Yes
IFR: Yes

Runways

Runway 05/23

Designation: 05/23
Dimensions: 4644 X 75
Surface: ASP
PCN: N/A
Lighting: YES
NAVAIDs: VORTAC, NDB
Approach Types: No published approach (FAA)
Remarks: N/A

Runway 09/27

Designation: 09/27
Dimensions: 9000 X 150
Surface: ASP
PCN: N/A
Lighting: YES
NAVAIDs: VORTAC, NDB
Approach Types: ILS Y OR LOC Y RWY 27, ILS Z OR LOC Z RWY 27, RNAV (RNP) Y RWY 27, RNAV (RNP) Z RWY 09, RNAV (RNP) Z RWY 27, RNAV (GPS) X RWY 27, RNAV (GPS) Y RWY 09
Remarks: N/A

Runway 16/34

Designation: 16/34
Dimensions: 2989 X 75
Surface: ASP
PCN: N/A
Lighting: YES
NAVAIDs: VORTAC, NDB
Approach Types: Not recorded
Remarks: N/A

Runway 10/28

Designation: 10/28
Dimensions: 1584 x 75 ft
Surface: GRASS
PCN: N/A
Lighting: N/A
NAVAIDs: N/A
Approach Types: No published approach (FAA)
Remarks: N/A

Runway 17/35

Designation: 17/35
Dimensions: 2989 x 75 ft
Surface: ASP
PCN: N/A
Lighting: MIRL
NAVAIDs: N/A
Approach Types: No published approach (FAA)
Remarks: N/A

Approaches not tied to one runway (FAA): VOR-A, VOR-B, COPTER VOR 258

Source: FAA terminal procedures (d-TPP), cycle 2610, valid to 2026-10-29 09:01 UTC

See all airports with ILS approaches in United States →

Frequencies

Tower: 118.300 MHz
Ground: 121.900 MHz
Operations: 118.300, 121.500, 122.950, 243.000 MHz
Traffic/Approach: N/A
ATIS: 120.400 MHz

Operation Hours

Monday 11:00 – 07:00

Tuesday 11:00 – 07:00

Wednesday 11:00 – 07:00

Thursday 11:00 – 07:00

Friday 11:00 – 07:00

Saturday 11:00 – 07:00

Sunday 11:00 – 07:00

Extra Hours On Request: Not recorded
Remarks: N/A

Contacts

AIS Tel: N/A
ARO Tel: N/A
MET Tel: N/A
Admin Tel: +1 406-442-2821
Health Tel: N/A
Police Tel: N/A
Authorities Tel: N/A
Website: N/A
Remarks: N/A

Slots / PPR

Slot Required: Not recorded
PPR Required: Not recorded
PPR Contact: N/A
Remarks: N/A

Fees

Landing Fee: Charged to non-commercial users, amount not recorded Source: FAA NASR airport data, cycle 2026-10-01
Parking Fee: Not recorded
Handling Mandatory: Not recorded
Currency: Not recorded
Remarks: Not recorded

Fuel Information

Fuel (FAA, public use): 100, 100LL, Jet A Source: FAA NASR airport data, cycle 2026-10-01

Immigration

Port of Entry: Yes, with conditions: Landing rights airport: permission to land from CBP needed (19 CFR 122.14) Source: FAA NASR airport data, cycle 2026-10-01
APIS Required: Yes, for private aircraft arriving from or departing to another country (CBP eAPIS) Source: 19 CFR 122.22 Electronic manifest for private aircraft, 2026-10-01
GAR Required: Not recorded

See all airports of entry in United States →

Restrictions

Curfew Start: N/A
Curfew End: N/A
Noise Chapter Min: Not recorded
Remarks: Not recorded

Alternates

KGTF

ICAO: KGTF
Name: Great Falls Intl
Distance (NM): 58.2
Has IFR: Yes
Port of Entry: Yes Source: 19 CFR 122.13 List of international airports, 2026-10-13

KBZN

ICAO: KBZN
Name: Bozeman Yellowstone Intl
Distance (NM): 60.6
Has IFR: Yes
Port of Entry: Yes, with conditions: User fee airport: permission to land from CBP needed (19 CFR 122.15); customs 1600Z-2400Z Thu-Mon (NASR) Source: 19 CFR 122.15 User fee airports, 2026-10-13 (last amended 2025-11-17)

KMSO

ICAO: KMSO
Name: Missoula Intl
Distance (NM): 88.7
Has IFR: Yes
Port of Entry: No: No customs designation in 19 CFR 122.13, 122.15 or FAA NASR Source: 19 CFR 122.13 List of international airports, 2026-10-13

Airport Services

No services listed for this airport yet.

Are you a service provider? Register here to appear in this airport's listing.

United States Permit Requirements

Fast Landing: 1d

Overflight Permit: No
Landing Permit: Conditional
Overflight Lead Time: N/A
Landing Lead Time: 60 minutes minimum (eAPIS manifest before departure); recommend 24-48 hours for CBP port notification

Private / GA Operations:

No permits required for private non-revenue flights. eAPIS manifest mandatory for all international arrivals/departures.

View Full United States Permit Details

Active NOTAMs

A3360/

warning

Runway closed

RWY 10/28 CLSD

2026-10-27 22:51 UTC 2026-10-28 23:00 UTC

A3360/26

warning

Runway closed

RWY 10/28 CLSD

2026-10-27 22:51 UTC 2026-10-28 23:00 UTC

A3357/

caution Upcoming

Approach lighting out

RWY 09 PAPI U/S

2026-10-28 20:30 UTC 2026-10-28 22:30 UTC

+18 more active NOTAMs

NOTAMs received from the FAA NOTAM feed (last message 2026-10-28 06:50 UTC). This list is built from the feed as NOTAMs are issued and is not checked against the FAA's full list: confirm with FAA NOTAM Search before flight.

View all NOTAMs on Map

Nearby Airports

MT43 Klies Air Strip 22 NM 3U9 Boulder Airport 24 NM K8U8 Townsend Airport 26 NM MT24 Clover Crest Airpark 32 NM K38S Deer Lodge City County Airport 35 NM MT93 Larner Field 37 NM MT41 Jefco Skypark Airport 44 NM KBTM Bert Mooney Airport 45 NM

Compare KHLN with MT43 side by side →

Airport History

No milestones recorded for Helena Regl yet. Know when it opened, who built it or a notable event? Add it with a source.

Add a historical fact

Frequently Asked Questions

What are the operating hours of KHLN?: Helena Regl operates from 11:00 to 07:00.
What is the tower frequency at KHLN?: The tower frequency at Helena Regl is 118.3 MHz.
What fuel is available at KHLN?: The FAA lists 100, 100LL, Jet A for public use at Helena Regl. Source: FAA NASR airport data, cycle 2026-10-01.
Does KHLN require landing permits?: It depends on the flight. No permits required for private non-revenue flights. eAPIS manifest mandatory for all international arrivals/departures. Permit details for United States
Where is KHLN located?: Helena Regl (KHLN) is located in Helena, United States.
What is the IATA code for KHLN?: The IATA code for Helena Regl is HLN.
Does KHLN have an ILS approach?: Yes, the FAA publishes ILS (Instrument Landing System) approaches at Helena Regl to runway 27. Source: FAA terminal procedures (d-TPP), cycle 2610, valid to 2026-10-29 09:01 UTC.
Is KHLN a port of entry?: Yes, with conditions. Landing rights airport: permission to land from CBP needed (19 CFR 122.14). Source: FAA NASR airport data, cycle 2026-10-01.

View on Map