Oelwein Municipal Airport
OLZ · KOLZ · Oelwein, IA · 1,076 ft elevation · var 2E · Non-towered
Airport information
- ICAO / IATA
- KOLZ
- Coordinates
- 42.6809, -91.9737
- Elevation
- 1,076 ft MSL
- Magnetic variation
- 2E
- Sectional chart
- CHICAGO
- Airport use
- Public
- Control tower
- No
- ARTCC
- MINNEAPOLIS (ZMP)
- Flight service (FSS)
- FORT DODGE
- NOTAM facility
- OLZ
- Attendance
- UNATNDD
- Beacon
- white-green (SS-SR)
- Segmented circle
- No
- Wind indicator
- lighted
- Activated
- 1946/12
- Distance from city
- 3 W
Weather
METAR observed
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TAF forecast
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Sun & FAA night 2026-06-21
| Event | Local (CDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 04:55 AM | 09:55Z |
| Sunrise | 05:30 AM | 10:30Z |
| Sunset | 08:49 PM | 01:49Z |
| Evening civil twilight Loggable night begins | 09:24 PM | 02:24Z |
Plan a flight from KOLZ
Night operations
- Airport lighting
- SEE RMK
- Rotating beacon
- white-green · SS-SR
- Pilot-controlled lighting
- ACTVT MIRL RY 13/31 & REIL RY 13/31 CTAF. on 122.8 — Chart Supplement ↗
FAA night windows (civil twilight, loggable night §1.1, currency §61.57) are in the live weather panel above.
Traffic pattern
- Landing
- Rwy 13 · 133°
- Pattern
- left (turns left)
- TPA
- 2,100 ft MSL (≈1,000 AGL)
- CTAF
- 122.8
Enter the left downwind for Rwy 13 at 2,100 ft MSL (≈1,000 AGL) on a 45°. TPA estimated at 1,000 ft AGL (not charted for this field).
Runway 13/31
4,000 ft × 75 ft · Concrete (Good)- Heading
- 133° mag · 135° true
- Markings
- nonprecision
- Traffic pattern
- Left
- Approach obstacle
- Road, 17 ft, 480 ft from threshold, 290 ft R of centerline — 16:1 slope to clear · penetrates the 20:1 visual approach surface
- Heading
- 313° mag · 315° true
- Markings
- nonprecision
- Traffic pattern
- Left
Runway 18/36
1,822 ft × 85 ft · Turf (Fair)- Heading
- 180° mag · 182° true
- Traffic pattern
- Left
- Approach obstacle
- Road, 10 ft, 390 ft from threshold, 0 ft B of centerline — 39:1 slope to clear
- Heading
- 000° mag · 2° true
- Traffic pattern
- Left
| Runway | Length | Your margin |
|---|---|---|
| 13/31 | 4,000 ft | |
| 18/36 | 1,822 ft |
Communication frequencies
| Service | Frequency | Notes |
|---|---|---|
| A/D | 118.9 | WATERLOO APP/DEP |
| AWOS | 119.675 | AWOS 3 |
| UNIC | 122.8 | CTAF/UNICOM |
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| ALO · Waterloo | VORTAC | 112.20 | r062° / 20.2 NM |
Procedures at a glance
Approaches1
Minimums & Hot Spots
Chart Supplement FAA A/FD
Open PDF ↗Preview Chart Supplement
VFR sectional
Services
- Fuel available
- 100LL, Jet A
- Bottled oxygen
- NONE
- Bulk oxygen
- NONE
- Airframe service
- MAJOR
- Powerplant service
- MAJOR
- Parking
- tiedowns, hangars
- Other services
- Agricultural, Instruction
Ownership & management
Remarks FAA
- RWY 18/36 CLSD AFT FST SNWFL.
- AG OPS DRG SUMMER MONTHS
- FOR CD CTC DES MOINES APCH AT 515-974-8016. WHEN DES MOINES APP CLSD, FOR CD CTC MINNEAPOLIS ARTCC AT 651-463-5588.
- ACTVT MIRL RY 13/31 & REIL RY 13/31 CTAF.
- & 36 THLDS & EDGES MARKED 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 KOLZ 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 KOLZ
Oelwein Municipal Airport (OLZ · KOLZ) is an airport in Oelwein, IA, at 1,076 ft MSL. It has 2 runways, the longest 4,000 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for KOLZ, refreshed from the Aviation Weather Center and FAA NASR.
Does KOLZ have a control tower?
No. Oelwein Municipal Airport is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM on the Comms & NavAids tab.
What is the longest runway at KOLZ?
Oelwein Municipal Airport has 2 runways; the longest is 4,000 ft. See the Runways tab for headings, surface, and lighting.
Where is KOLZ?
Oelwein Municipal Airport is in Oelwein, IA, at an elevation of 1,076 ft MSL. Coordinates: 42.6809, -91.9737.
Fly out of KOLZ often?
Save KOLZ 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.