Richard B Helgeson Airport
TWM · KTWM · Two Harbors, MN · 1,073 ft elevation · var 1E · Non-towered
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 · 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
Weather
METAR observed
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TAF forecast
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Sun & FAA night 2026-06-22
| Event | Local (CDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 04:32 AM | 09:32Z |
| Sunrise | 05:12 AM | 10:12Z |
| Sunset | 09:06 PM | 02:06Z |
| Evening civil twilight Loggable night begins | 09:46 PM | 02:46Z |
Plan a flight from KTWM
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 in the live weather panel above.
Traffic pattern
- Landing
- Rwy 06 · 061°
- Pattern
- left (turns left)
- TPA
- 2,100 ft MSL (≈1,000 AGL)
- CTAF
- 122.9
Enter the left downwind for Rwy 06 at 2,100 ft MSL (≈1,000 AGL) on a 45°. TPA estimated at 1,000 ft AGL (not charted for this field).
Runway 06/24
4,400 ft × 75 ft · Asphalt (Good)- Heading
- 061° mag · 62° true
- Threshold elev
- 1,073 ft
- Markings
- nonprecision
- VGSI
- 4-light PAPI (left) (3°)
- Traffic pattern
- Left
- Threshold crossing height
- 24 ft
- TDZ elevation
- 1,073 ft
- End lights
- REIL
- Heading
- 241° mag · 242° true
- Threshold elev
- 1,070 ft
- Markings
- nonprecision
- VGSI
- 4-light PAPI (left) (3°)
- Traffic pattern
- Left
- Threshold crossing height
- 27 ft
- TDZ elevation
- 1,073 ft
- End lights
- REIL
Runway 15/33
2,581 ft × 150 ft · Turf (Good)- Heading
- 148° mag · 149° true
- Threshold elev
- 1,072 ft
- Traffic pattern
- Left
- TDZ elevation
- 1,072 ft
- Heading
- 328° mag · 329° true
- Threshold elev
- 1,040 ft
- Traffic pattern
- Left
- Approach obstacle
- Trees, 9 ft, 113 ft from threshold, 99 ft L of centerline — 12:1 slope to clear · penetrates the 20:1 visual approach surface
- TDZ elevation
- 1,072 ft
| Runway | Length | Your margin |
|---|---|---|
| 06/24 | 4,400 ft | |
| 15/33 | 2,581 ft |
Communication frequencies
Tower & ground
| ASOS/AWOS | 119.325 |
| CTAF | 122.9 |
Approach & departure · “Duluth”
| App/Dep | 125.45 |
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
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| LKI · Lakeside | TACAN | 135.40 | r051° / 21.8 NM |
| DLH · Duluth | VORTAC | 112.60 | r047° / 23.9 NM |
| EVM · Eveleth | VOR-DME | 108.20 | r125° / 38.2 NM |
Procedures at a glance
Approaches2
Minimums & Hot Spots
Chart Supplement FAA A/FD
Open PDF ↗Preview Chart Supplement
VFR sectional
Services
- 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
Remarks FAA
- GCO AVBL ON FREQ 121.725 THRU DLH CD & FLT SVCS.
- FOR CD CTC DULUTH APCH AT 218-740-5950.
- MIRL RWY 6/24 PRESET TO LOW SS-SR. INCR INTST AND ACTVT REIL RWY 06, 24; PAPI RWY 6, 24 - CTAF.
- FOR SVC AFT HRS CALL (218) 830-0470
- FUEL AVBL 24 HRS WITH CREDIT CARD.
- CLSD WINTER MONTHS EXCEPT SKI EQUIPPED ACFT.
- RY 15/33 MKD WITH YELLOW CONES.
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 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.
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 on the Comms & NavAids tab.
What is the longest runway at KTWM?
Richard B Helgeson Airport has 2 runways; the longest is 4,400 ft. See the Runways tab 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.
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