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KALO
ALO
ALO

WATERLOO RGNL AIRPORT

WATERLOO, IA, USA
Airport Info
 Suggest Updated Information for this Airport

Location
Latitude / Longitude: 42°33'30"N / 92°24'3"W
  42°33.507'N / 92°24.0614'W
  42.5584 / -92.4010
Elevation: 873.0 ft. (surveyed)
Variation: 00E (2020)
From city: 04 miles NW of WATERLOO, IA

Operations
Facility use: Open to the public
Sectional chart: CHICAGO
Control tower: yes
Boundary ARTCC: CHICAGO
Responsible ARTCC: MINNEAPOLIS
FSS: FORT DODGE [1-800-WX-BRIEF]
NOTAMs facility: ALO (NOTAM-D service available)
Segmented circle: no
Lights: SEE RMK
Landing fee: no

Communications
UNICOM: 122.950
CTAF: 125.075

Nearby radio navigation aids
VOR radial/distance VOR name Freq Var
ALO at field WATERLOO VORTAC 112.20 06E
JWJ 40oT/35.1 ELMWOOD VOR/DME 109.40 03E
 
NDB name Hdg/Dist Freq Var ID
OELWEIN 248oT/20.2 260 02E OLZ
WAPSIE 288oT/20.9 206 02E IIB
GARRISON 320oT/26.3 338 03E VTI
CHARLES CITY 163oT/32.0 375 03E CCY
MARSHALLTOWN 40oT/35.3 239 03E MIW
WEST UNION 230oT/35.8 278 02E XWY
CHUKK 157oT/37.4 417 03E IY
HAMPTON 105oT/37.7 230 03E HPT
IOWA FALLS 82oT/38.6 368 03E IFA

Services
Fuel available: 100LLA
Airframe service: MAJOR
Powerplant service: MAJOR
Bottled oxygen: HIGH/LOW
Bulk oxygen: HIGH/LOW

Runway Information

Runway 12/30
Dimensions: 8399 x 150 ft.
Surface: ASPHALT OR BITUMINOUS CONCRETE,GOOD CONDITION,SAW-CUT OR PLASTIC GROOVED
Edge lights: HIGH
 
Runway 12
Runway 30
Latitude: 42-33-57.7289N 42-33-06.8929N
Longitude: 092-24-43.0119W 092-23-14.3311W
Elevation: 872.6 ft. 867.0 ft.
Traffic pattern: left left
Runway true heading: 128 308
Declared distances: TORA:8399 TODA:8399 ASDA:8399 LDA:8399 TORA:8399 TODA:8399 ASDA:8399 LDA:8399
Markings: precision instrument, in good condition nonprecision instrument, in good condition
Visual slope indicator: 4-LGT PAPI ON LEFT SIDE OF RUNWAY (3.00 degrees glide path) 4-BOX VASI ON LEFT SIDE OF RUNWAY (3.00 degrees glide path)
RVR equipment: touchdow rollout
Approach lights: 1,400 FOOT MEDIUM INTENSITY APPROACH LIGHTING SYSTEM WITH RUNWAY ALIGNMENT INDICATOR LIGHTS 1,400 FOOT MEDIUM INTENSITY APPROACH LIGHTING SYSTEM
Instrument approach: ILS/DME
 

Runway 18/36
Dimensions: 6003 x 150 ft.
Surface: ASPHALT OR BITUMINOUS CONCRETE,PORTLAND CEMENT CONCRETE,GOOD CONDITION,SAW-CUT OR PLASTIC GROOVED
Edge lights: MEDIUM
 
Runway 18
Runway 36
Latitude: 42-33-57.1383N 42-32-58.3872N
Longitude: 092-24-05.2744W 092-24-16.1315W
Elevation: 870.8 ft. 868.0 ft.
Traffic pattern: left left
Runway true heading: 188 008
Declared distances: TORA:6003 TODA:6003 ASDA:6003 LDA:6003 TORA:6003 TODA:6003 ASDA:6003 LDA:6003
Markings: nonprecision instrument, in fair condition nonprecision instrument, in fair condition
Visual slope indicator: 4-BOX VASI ON LEFT SIDE OF RUNWAY (3.00 degrees glide path) 4-LGT PAPI ON LEFT SIDE OF RUNWAY (3.00 degrees glide path)
Runway end identifier lights: yes yes
 

Additional Remarks
  • FOR CD IF UNA ON 121.9 CTC WATERLOO ATCT AT 319-233-4835. WHEN WATERLOO ATCT CLSD, FOR CD CTC MINNEAPOLIS ARTCC AT 651-463-5588.
  • ACR NA TWY A EAST OF RWY 12/30.
  • TWY A LGT BTN RWY 12/30 & ARMY AVN SUPPORT RAMP NA.
  • BIRDS ON & INVOF ARPT.
  • RWY 30 IS CALM WIND RWY.
  • WHEN DEPARTING ALL RWYS, ENDS OF OTHER RWYS NOT VISIBLE.
  • WHEN ATCT CLSD & DURG SNOW EVENTS, ALL ARR/DEP ACFT ANNC THEIR INTNS ON CTAF 5 MIN PRIOR TO USING THE RWYS.
  • PERSONNEL & EQUP PERFORMING SNOW REMOVAL OPNS WILL MONITOR CTAF.
  • ARNG: ARNG OPS CTC DSN 431-5520, C319-234-1372.
  • ARPT SFC CONDS UNMON 2200-0430 DAILY.

Instrument Procedures
Effective Oct 30, 2025 to Nov 26, 2025
   AIRPORT DIAGRAM (PDF)

IAPs (Instrument Approach Procedures)
   ILS OR LOC RWY 12 (PDF)
   RNAV (GPS) RWY 12 (PDF)
   RNAV (GPS) RWY 18 (PDF)
   RNAV (GPS) RWY 30 (PDF)
   RNAV (GPS) RWY 36 (PDF)
   LOC BC RWY 30 (PDF)
   VOR RWY 12 (PDF)
   VOR RWY 18 (PDF)
   TAKEOFF MINIMUMS (PDF)
   ALTERNATE MINIMUMS (PDF)
   LAHSO (PDF)
   HOT SPOT (PDF)
   CS HOT SPOT (PDF)
 
    Legends & General Information
    Airport Diagram Legend
Road maps at:
Topographic chart at:
Satellite photo at:
Airport diagram:

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Airport distance calculator
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