Richard B Helgeson Airport
TWM · KTWM · Two Harbors, MN · Non-towered · Print kneeboard
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Weather
METAR observed
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TAF forecast
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Sun & FAA night2026-08-04 · night begins 09:11 PM
| Event | Local (CDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 05:15 AM | 10:15Z |
| Sunrise | 05:50 AM | 10:50Z |
| Sunset | 08:36 PM | 01:36Z |
| Evening civil twilight Loggable night begins | 09:11 PM | 02:11Z |
Plan a flight from KTWM
Past 24 hours category · wind · ceiling · visibility trends
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Density altitude today projected curve · departure window · takeoff roll
Winds aloft NOAA forecast · 3,000 to 53,000 ft
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Advisories
NOTAMs
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Pilot reports
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Airspace hazards
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Runways
RWY 15LEFT traffic
- Heading
- 148° mag · 149° true
- Dimensions
- 2,581 × 150 ft
- TPA
- 2,100 ft MSL (≈1,000 AGL) · standard
- Surface
- Turf
- CTAF
- 122.9
Enter the left downwind (heading 328°) on the 45° at 2,100 ft MSL (≈1,000 AGL).
More details — RWY 15
- Threshold elev
- 1,072 ft
- TDZ elevation
- 1,072 ft
Pattern side: FAA NASR · TPA standard 1,000 ft AGL (not charted) · layout: FAA runway-end coordinates
| Runway | Length | Your margin |
|---|---|---|
| 06/24 | 4,400 ft | |
| 15/33 | 2,581 ft |
Prefer one flat page? Full runway details for KTWM → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the KTWM kneeboard →
Comms & NavAids
Communication frequencies
Before taxi
Taxi & takeoff
Departure & arrival
“Duluth”ATC assigns the exact frequency (in your clearance or on handoff) — which one depends on your SID (departing) or STAR (arriving).
By procedure & sector (2 frequencies)
| Frequency | Used by |
|---|---|
| 121.725 | APT REMARK 1 WITH GCO FREQ |
| 233.7 | APCH/P DEP/P |
Source: FAA NASR (current 28-day cycle).
Nearby navigation aids
LKI 135.40 · DLH 112.60
| NavAid | Type | Freq · ch | Range | Radial / Dist magnetic |
|---|---|---|---|---|
| LKI · Lakeside | TACAN | 135.40 · 11X | — | r056° / 21.9 NM |
| DLH · Duluth | VORTAC | 112.60 · 73X | High | r047° / 23.9 NM |
Prefer one flat list? All KTWM frequencies →
Charts & procedures
Lowest minimums here: RNAV (GPS) with vertical guidance · VFR sectional →
Airport info
From the field
Do you run KTWM, or an FBO, flight school, or shop on it? Claim your listing to keep fuel, fees, hours, and services current.
Airport information
- ICAO / IATA
- KTWM
- Coordinates
- 47.0492, -91.7451
- Elevation
- 1,073 ft MSL
- Magnetic variation
- 1E
- Sectional chart
- GREEN BAY
- Airport use
- Public
- Control tower
- No
- Weather station
- AWOS-3PT · 119.325 · ☎ 218-834-6591
- ARTCC
- MINNEAPOLIS (ZMP)
- Flight service (FSS)
- PRINCETON · 122.2 · 1-800-WX-BRIEF
- NOTAM facility
- TWM
- Attendance
- MON-FRI 0800-1400
- Beacon
- white-green (SS-SR)
- Segmented circle
- Yes
- Wind indicator
- lighted
- Activated
- 1970/01
- Distance from city
- 4 NW
Night operations
- Airport lighting
- SEE RMK
- Rotating beacon
- white-green · SS-SR
- Pilot-controlled lighting
- MIRL RWY 6/24 PRESET TO LOW SS-SR. INCR INTST AND ACTVT REIL RWY 06, 24; PAPI RWY 6, 24 - CTAF. on 122.9 — Chart Supplement ↗
Runway lighting aids — 06: 4-light PAPI (left) · 24: 4-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
- 100LL, Jet A, MOGAS
- Bottled oxygen
- NONE
- Bulk oxygen
- NONE
- Airframe service
- MAJOR
- Powerplant service
- MINOR
- Parking
- tiedowns, hangars
- Other services
- Aircraft sales, Survey
Ownership & management 2 contacts
Remarks FAA · 7 notes
General
- GCO AVBL ON FREQ 121.725 THRU DLH CD & FLT SVCS.
- FOR CD CTC DULUTH APCH AT 218-740-5950.
Runways
- CLSD WINTER MONTHS EXCEPT SKI EQUIPPED ACFT.
- RY 15/33 MKD WITH YELLOW CONES.
Lighting
- MIRL RWY 6/24 PRESET TO LOW SS-SR. INCR INTST AND ACTVT REIL RWY 06, 24; PAPI RWY 6, 24 - CTAF.
Fuel
- FUEL AVBL 24 HRS WITH CREDIT CARD.
Attendance
- FOR SVC AFT HRS CALL (218) 830-0470
Embed KTWM weather on your site free widget for schools, clubs & FBOs
Live METAR, flight category, and favored runway for KTWM — paste this into your website's HTML. It updates automatically and stays free.
More widgets — crosswind, E6B, density altitude — on the embed page.
Nearby airports
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Also nearby: 63MN Weideman International Airport (private) (7 NM) · WS67 Vietmeier Airport (private) (27 NM) · MN92 Lennartson Airport (private) (29 NM)
About KTWM
Richard B Helgeson Airport (TWM · KTWM) is an airport in Two Harbors, MN, at 1,073 ft MSL. It has 2 runways, the longest 4,400 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for KTWM, refreshed from the Aviation Weather Center and FAA NASR.
Does KTWM have a control tower?
No. Richard B Helgeson Airport is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM in the Comms & NavAids section.
What is the longest runway at KTWM?
Richard B Helgeson Airport has 2 runways; the longest is 4,400 ft. See the Runways section for headings, surface, and lighting.
Where is KTWM?
Richard B Helgeson Airport is in Two Harbors, MN, at an elevation of 1,073 ft MSL. Coordinates: 47.0492, -91.7451.
Fly out of KTWM often?
Save KTWM as your home base in the SkyReady app for a one-tap Go/No-Go readiness brief, weather alerts, and automatic FAA currency — free to log.
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 KTWM 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.