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KOLZ · Oelwein Municipal Airport

ICAO · US · 3 NTSB events

ID KOLZ FAA OLZ Elev 1,076 ft Lat 42° 40.85' N Lon 91° 58.42' W Zulu …

Live conditions

METAR

fetching…

Wind / Visibility

—

Density altitude (now)

—

Decode in METAR tool TAF on AWC ↗ NOTAMs ↗

Aerial view

No FAA diagram published

Imagery © Esri, Maxar, Earthstar Geographics, USDA FSA

Runways

4 runway ends on file. Longest: 4,000 ft. Max gradient: 0.43%

Designator Heading Length Width Surface Lighting Gradient
13 135° 4,000 ft 75 ft Concrete Yes 0.43%
31 315° 4,000 ft 75 ft Concrete Yes 0.43%
18 182.5° 1,822 ft 85 ft GRS No 0.11%
36 2.5° 1,822 ft 85 ft GRS No 0.11%

Lengths + headings: in-app airport database. Surface, width, lighting: OurAirports. Gradient: derived from FAA NASR runway-end elevations (NASR's RWY_GRAD field is empty in 99.99% of rows).

Communications · 3 frequencies

  • AWOS AWOS 3 119.675
  • A/D WATERLOO APP/DEP 118.900
  • UNIC CTAF/UNICOM 122.800

Live ATC audio (streaming + archived): Open KOLZ on LiveATC ↗

Chart Supplement remarks, plain English · cycle 22JAN2026 · 0 matched · 20 not yet translated

Translations anchored to the FAA text; the raw FAA text is authoritative.

Not yet translated · raw FAA text (20 sentences)
  • ·IOWA 67 OELWEIN MUNI (OLZ)(KOLZ) 3 W UTC–6(–5DT) N42º40.86´ W91º58.46´ 1076 B NOTAM FILE OLZ RWY 13–31: H4000X75 (CONC–WC) S–12 MIRL 0.4% up NW RWY 13: REIL.
  • ·RWY 18–36: 1822X85 (TURF) RWY 18: Road.
  • ·S4 FUEL 100LL, JET A LGT ACTIVATE MIRL Rwy 13–31 and REIL Rwy 13 and Rwy 31—CTAF.
  • ·Rwy 18–36 CLOSED aft fst snowfall.
  • ·AG ops drg summer months.
  • ·Rwy 18 and Rwy 36 thlds and edges marked with yellow cones.
  • ·AIRPORT MANAGER: (319) 283-5440
  • ·AWOS–3 119.675 (319) 283–3518.
  • ·CTAF/UNICOM 122.8 ®DES MOINES APP/DEP CON 118.9 (1200–0200Z‡) ®MINNEAPOLIS CENTER APP/DEP CON 118.9 (0200–1200Z‡) CLEARANCE DELIVERY PHONE: For CD ctc Des Moines Apch at 515-974-8016.
  • ·When Des Moines app clsd, for CD ctc Minneapolis ARTCC at 651-463-5588.
  • ·WATERLOO (L) (L) VORW/DME 112.2 ALO Chan 59 N42º33.39´ W92º23.94´ 068º 20.2 NM to fld. 866/0E.
  • ·VOR unusable: 017º–062º byd 35 NM blo 2,500´ 063º–073º byd 18 NM 074º–356º byd 35 NM blo 2,500´ 357º–016º DME unusable: 007º–026º byd 25 NM 027º–006º byd 35 NM blo 2,500´ OMAHA N41º10.03´ W95º44.21´ NOTAM FILE FOD.
  • ·(VH) (H) VORTAC 116.3 OVR Chan 110 342º 5.7 NM to Council Bluffs Muni. 1300/8E.
  • ·RCO 122.1R 116.3T (FORT DODGE RADIO) OSAGE MUNI (D02) 1 NE UTC–6(–5DT) N43º17.54´ W92º47.74´ 1168 NOTAM FILE FOD RWY 17–35: H3400X50 (ASPH) MIRL RWY 17: Road.
  • ·CAUTION: Rwy is subject to frost heaves.
  • ·AIRPORT MANAGER: 641-832-7945
  • ·CTAF/UNICOM 122.8 CLEARANCE DELIVERY PHONE: For CD ctc Rochester Apch at 507-424-8111.
  • ·For CD when Rochester Apch is closed, ctc Minneapolis ARTCC at 651-463-5588.
  • ·MASON CITY (VH) (H) VORW/DME 114.9 MCW Chan 96 N43º05.69´ W93º19.79´ 057º 26.3 NM to fld. 1209/6E.
  • ·CHICAGO L–28F IAP OMAHA H–5C, L–10I, 12I CHICAGO L–12J NC, 22 JAN 2026 to 19 MAR 2026

Field profile

Use

Public-use

Ownership

Public

Scheduled service

No

FAA Chart Supplement

NTSB events

3 NTSB-recorded events on file at this airport .

Operations volume

FAA TAF · history through 2024

2005 2024

Peak: 4,250 ops in 2023

2024 total

4,250

10-yr total

40,500

2024 mix

AC/AT 0% · GA 100% · Mil 0%

Events / million ops

0.0

last 10 years

Fatal / million ops

0.00

approximate · 10-yr scaled

Last 10 years · n=1

  • Loss of control 1

All time · n=3

  • Undershoot / overshoot 1
  • Other 1
  • Loss of control 1

Categories rule-matched from NTSB findings and probable-cause text. "Other" = not enough agency text to classify.

Date Aircraft · Classification · Wx Sev
2026-03-29 Enstrom F-28F · Loss of control · VMC · day →
1994-07-09 Beech 58 · Under/overshoot · day →
1990-07-27 Beech D17S · Other · day →

Designees in IA

CFI Flight Instructors 595 A&P Mechanics 1,208 AME Medical Examiners (AME) 38 DME Mechanic Examiners (DME) 4 DAR-F Manufacturing Airworthiness (DAR-F) 5 DAR-T Maintenance Airworthiness (DAR-T) 2 DER-Y Engineering — Company (DER-Y) 2 DER-T Engineering — Consultant (DER-T) 1 SAE Specialty Aircraft Examiners (SAE) 29 ODA Organizational Designations 1 Schools Flight Schools 41 FBO Fixed Base Operators 46 Clubs Flying Clubs 13 Repair Repair / Maintenance Shops 3 EAA EAA Chapters 14

DPEs nearby

Distance is city-centroid to airport, a first cut, not the exam location.

Designee City ST Distance
Timothy Newton Waterloo IA 20 nm
Christopher David Schrodt Charles City IA 38 nm
Cole Robert Norton Marion IA 42 nm
Janice Wray Walton Marion IA 42 nm
Adam Timothy Magee Swisher IA 52 nm
Michael John Phillips Dubuque IA 57 nm
Harrison Mcnaughton Ames IA 83 nm
George Bolon Winona MN 83 nm
Darren Schone Albert Lea MN 84 nm
Thomas Paul Burns Muscatine IA 86 nm

Showing 10 closest of ~1,400 DPEs nationwide. Source: FAA Designee Locator.

CFIs nearby

City-centroid distance; ratings as on the FAA certificate.

Instructor City ST Distance
Kade Daniel Korsi Jesup IA 13 nm
Randal Donald Reck Winthrop IA 16 nm
Jonathan Christopher Walter Winthrop IA 16 nm
Gretchen Kay Walter Winthrop IA 16 nm
Leif Loyal Lujan West Union IA 18 nm
Kenyon Keith Bemis Fredericksburg IA 20 nm
Roswell Maccallum Johnston Waterloo IA 20 nm
Rodrick Dale Kubik Waterloo IA 20 nm
Wayne William Nathem Waterloo IA 20 nm
Scott Michael Boyer Waterloo IA 20 nm

Showing 10 closest of ~70,900 active CFIs nationwide. Source: FAA Airmen Certification Database.

A&P mechanics nearby

City-centroid distance. A = airframe, P = powerplant, IA = inspection authorization.

Mechanic City ST Distance
William Albert Walenceus Oelwein IA 3 nm
John Patrick Ludwig Oelwein IA 3 nm
Michael Robert Adams Oelwein IA 3 nm
Richard Andrew Laslo Ii Fairbank IA 4 nm
Amos Michael Berg Fairbank IA 4 nm
Daryn John Minton Hazleton IA 5 nm
Braden Daniel Larsen Dunkerton IA 11 nm
Wayne Michael Kajer Readlyn IA 11 nm
Vern Richard Hoppes Sumner IA 12 nm
Doyle Lee Wegner Sumner IA 12 nm

Showing 10 closest of ~248,300 certificated mechanics nationwide. Source: FAA Airmen Certification Database.

Repair stations nearby

By airport location.

Shop Distance
McCandless Avionics, LC
Waverly, IA
 24 nm
Avionics Place, Inc
Rockford, IL
 131 nm
Spencer Avionics, Inc.
Spencer, IA
 145 nm
Perceptive Avionics
New Richmond, WI
 150 nm
GreenWing Aviation & Welding Co.
Lacon, IL
 153 nm
Twin Cities Aviation, Inc.
Blaine, MN
 157 nm
RC Avionics, Inc.
Blaine, MN
 157 nm
Mobile Avionics Technologies, Inc.
Lake In The Hills, IL
 165 nm
Skycom Avionics, Inc.
Waukesha, WI
 166 nm
Aero-Fix LLC
Pekin, IL
 167 nm

Showing 10 closest of ~400 geocoded shops in the repair-station directory. Source: AOPA business listings.