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WATERLOO RGNL - Airport Diagram
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KALO
ICAO KALOIATA ALOLocal ALO
WATERLOO RGNL
PublicPUB

4 miles NW of WATERLOO, IA, US
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Status
Operational
Coordinates
42° 33' 30"N 92° 24' 04"W
Elevation
873' MSL
Pattern Alt
1873' MSL
Mag Variation
0°
Declination
0°
Fuel
JET A, 100LL
FSS
FORT DODGE (FOD)
Sectional
CHICAGO
ARTCC
CHICAGO (ZAU)
Data Effective
2/19/26-3/19/26
KALO IFR
10:54 PM CST  
Mist
Clear
1.5sm
30°F
30°F
30.21"Hg
010° 3kts
AO2 SLP238 T10111011
METAR KALO 040454Z AUTO 01003KT 1 1/2SM BR CLR M01/M01 A3021 RMK AO2 SLP238 T10111011
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Weather and Advisory

ATIS 120.65
ASOS 120.65
(319) 209-4125

Common

CTAF 125.075
WHEN ATCT CLSD ACTVT MALSR RWY 12; MALS RWY 30; VASI RWY 18; PAPI RWY 36; MIRL RWYS 18/36, AND HIRL RWY 12/30 - CTAF.; 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.
UNICOM 122.95

Clearance

Clearance Delivery 121.9

Ground

WATERLOO GROUND 121.9
0600-2000

Tower

WATERLOO TOWER 125.075
0600-2000

Approach

DES MOINES APPROACH 118.9

Departure

DES MOINES DEPARTURE 118.9

Center

DES MOINES CENTER 118.9
LOW

Flight Service

Flight Service 122.6
(FOD)

Emergency

Emergency 121.5

Military

ANG OPS 36.7
ANG OPS 142.6

Terminal Area Forecast

KALO
Tue, 3/3 7:55 PM CST
Tue, 3/3 8:00 PM CST - Wed, 3/4 6:00 PM CST
VFR
8:00 PM CST - 10:00 PM CST
Scattered 3,000'
6sm
120° 6kts
MVFR
10:00 PM CST - 2:00 AM CST
Mist
Scattered 400'
3sm
VRB° 3kts
LIFR
2:00 AM CST - 7:00 AM CST
Mist
Broken 200'
1sm
VRB° 2kts
IFR
7:00 AM CST - 10:00 AM CST
Broken 800'
6sm
VRB° 4kts
MVFR
10:00 AM CST - 6:00 PM CST
Mist
Broken 1,800'
5sm
VRB° 4kts
TAF KALO 040155Z 0402/0424 12006KT P6SM SCT030
   FM040400 VRB03KT 3SM BR SCT004
   FM040800 VRB02KT 1SM BR BKN002
   FM041300 VRB04KT P6SM BKN008
   FM041600 VRB04KT 5SM BR BKN018
KALO
EffectiveExpiresCategoryNOTAM
Domestic
2/24/26
1116Z
2/25/26
1116Z
!ALO 02/071 ALO TWY ALL FICON PATCHY 1/8IN DRY SN OVER ICE OBS AT 2602241116. 2602241116-2602251116
2/24/26
1116Z
2/25/26
1116Z
Runway!ALO 02/070 ALO RWY 36 FICON 4/4/4 40 PCT COMPACTED SN OBS AT 2602241116. 2602241116-2602251116
2/24/26
1115Z
2/25/26
1115Z
Runway!ALO 02/069 ALO RWY 30 FICON 4/4/4 40 PCT COMPACTED SN OBS AT 2602241115. 2602241115-2602251115
2/19/26
2012Z
3/19/26
2359Z
!ALO 02/029 ALO OBST TOWER LGT (ASR 1015875) 422704.00N0921913.00W (7.4NM SSE ALO) 1407.5FT (498.7FT AGL) U/S 2602192012-2603192359
2/8/26
1330Z
6/8/26
1330Z
!ALO 02/020 ALO OBST TOWER LGT (ASR 1264765) 424027.40N0921758.10W (8.3NM NNE ALO) 1314.0FT (308.1FT AGL) U/S 2602081330-2606081330
2/5/26
2002Z
3/25/26
1700Z
!ALO 02/018 ALO OBST TOWER LGT (ASR 1017308) 422632.00N0922349.00W (7.0NM S ALO) 1358.3FT (449.5FT AGL) U/S 2602052002-2603251700
2/3/26
1902Z
4/3/26
2359Z
!ALO 02/015 ALO OBST TOWER LGT (ASR 1017873) 422820.30N0922529.80W (5.3NM SSW ALO) 1163.1FT (230.0FT AGL) U/S 2602031902-2604032359
1/20/26
2038Z
12/31/26
2359Z
!ALO 01/048 ALO OBST TOWER LGT (ASR 1018166) 422645.00N0922230.00W (6.9NM S ALO) 1396.7FT (434.7FT AGL) U/S 2601202038-2612312359
1/8/26
0918Z
3/8/26
0418Z
!ALO 01/006 ALO OBST TOWER LGT (ASR 1266443) 423503.20N0923829.70W (10.7NM W ALO) 1252.0FT (258.9FT AGL) U/S 2601080918-2603080418
FDC
2/25/26
1300Z
3/3/26
2355Z
!FDC 6/9778 ALO IAP WATERLOO RGNL, WATERLOO, IA.
ILS OR LOC RWY 12, AMDT 10B...
LOC BC RWY 30, AMDT 12A...
VOR RWY 12, AMDT 10C...
VOR RWY 18, AMDT 10...
DME REQUIRED EXCEPT FOR ACFT EQUIPPED WITH SUITABLE RNAV SYSTEM WITH GPS,
CID VOR/DME OUT OF SERVICE. 2602251300-2603032355EST
2/23/26
1741Z
!FDC 6/8758 ALO IAP WATERLOO RGNL, WATERLOO, IA.
RNAV (GPS) RWY 12, AMDT 1...
LNAV/VNAV ALL CATS VISIBILITY RVR 3500. CHANGE PBN REQUIREMENTS
NOTE TO: RNP APCH - GPS. DELETE *LNAV ONLY. CHANGE MIN ALT AT WONDU
TO READ: WONDU/1.80 NM TO RW12 1500. CHANGE CHART VDP TO READ:
CHART VDP AT 1.03 NM TO RW12.
THIS IS RNAV (GPS) RWY 12, AMDT 1A. 2602231741-PERM
1/14/26
1651Z
!FDC 6/3402 ALO IAP WATERLOO RGNL, WATERLOO, IA.
VOR RWY 18, AMDT 10...
MSA FROM ALO VOR/DME WITHIN 25NM 180-360 2800.
THIS IS VOR RWY 18, AMDT 10A. 2601141651-PERM
1/14/26
1651Z
!FDC 6/3401 ALO IAP WATERLOO RGNL, WATERLOO, IA.
VOR RWY 12, AMDT 10C...
MSA FROM ALO VOR/DME WITHIN 25NM 180-360 2800.
THIS IS VOR RWY 12, AMDT 10D. 2601141651-PERM
1/14/26
1651Z
!FDC 6/3400 ALO IAP WATERLOO RGNL, WATERLOO, IA.
LOC BC RWY 30, AMDT 12A...
MSA FROM ALO VOR/DME WITHIN 25NM 180-360 2800.
THIS IS LOC BC RWY 30, AMDT 12B. 2601141651-PERM
1/14/26
1651Z
!FDC 6/3399 ALO IAP WATERLOO RGNL, WATERLOO, IA.
ILS OR LOC RWY 12, AMDT 10B...
MSA FROM ALO VOR/DME WITHIN 25NM 180-360 2800.
DELETE PROFILE NOTE: *LOC ONLY. DELETE: * FROM 2.7 NM TO I-ALO VDP
IN PROFILE VIEW. DELETE: * FROM 1420 ALTITUDE AT ZESOP IN PROFILE
VIEW.
THIS IS ILS OR LOC RWY 12, AMDT 10C. 2601141651-PERM
8/14/25
1456Z
!FDC 5/7656 ALO IAP WATERLOO RGNL, WATERLOO, IA.
RNAV (GPS) RWY 36, AMDT 1A...
LNAV/VNAV DA 1191/HAT 322 ALL CATS.
TEMPORARY CRANE 980 MSL 2185FT EAST OF RWY 36 (2024-ACE-2632-NRA).
2508141456-2603261800EST
3/20/25
1539Z
!FDC 5/5811 ALO IAP WATERLOO RGNL, WATERLOO, IA.
VOR RWY 18, AMDT 10...
PROCEDURE NA.
2503201539-2703201538EST
Yes
0500-2100
CITY OF WATERLOO
715 MULBERRY
WATERLOO, IA 50701
Phone: 319-291-4323
MR. STEVEN KJERGAARD
2790 LIVINGSTON LANE
WATERLOO, IA 50703
Phone: 319-291-4483
FORT DODGE FSS (FOD)
Toll Free: 1-800-WX-BRIEF
ALO
--
WHEN ATCT CLSD ACTVT MALSR RWY 12; MALS RWY 30; VASI RWY 18; PAPI RWY 36; MIRL RWYS 18/36, AND HIRL RWY 12/30 - CTAF.
N/A
Yes - Lighted
No
No
Hanger, Tie-Down
NOT a Landing Rights Airport
NOT an Airport of Entry
Major
Major
High & Low Pressure
High & Low Pressure
Air Ambulance
Charter Service
Pilot Instruction
Aircraft Rental

Runway 12/30

8399 ft. x 150 ft.
ASPH  
Good 
GRVD 
HIGH 
 
120,000lbs 
250,000lbs 
550,000lbs 
1,120,000lbs 
  Runway 12 Runway 30
True Heading 128°308°
Traffic Pattern Left Left
Markings PIR NPI
Markings Condition GOOD GOOD
Latitude 42° 33' 58"N 42° 33' 07"N
Longitude 92° 24' 43"W 92° 23' 14"W
Elevation 873' 867'
Threshold Crossing Height 57 ft. AGL 52 ft. AGL
Visual Glide Path Angle 3° 3°
Visual Slope Indicator P4L V4L
Approach Lights MALSR MALS
Centerline Lights
Runway End Identifier Lights

Runway 18/36

6003 ft. x 150 ft.
ASPH CONC  
Good 
GRVD 
MED 
 
120,000lbs 
222,000lbs 
377,000lbs 
889,000lbs 
  Runway 18 Runway 36
True Heading 188°8°
Traffic Pattern Left Left
Markings NPI NPI
Markings Condition FAIR FAIR
Latitude 42° 33' 57"N 42° 32' 58"N
Longitude 92° 24' 05"W 92° 24' 16"W
Elevation 871' 868'
Threshold Crossing Height 42 ft. AGL 51 ft. AGL
Visual Glide Path Angle 3° 3°
Visual Slope Indicator V4L P4L
Approach Lights
Centerline Lights
Runway End Identifier Lights Yes Yes
A110-10FOR 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.
A110-11ACR NA TWY A EAST OF RWY 12/30.
A110-12TWY A LGT BTN RWY 12/30 & ARMY AVN SUPPORT RAMP NA.
A110-2BIRDS ON & INVOF ARPT.
A110-3RWY 30 IS CALM WIND RWY.
A110-5WHEN DEPARTING ALL RWYS, ENDS OF OTHER RWYS NOT VISIBLE.
A110-6WHEN ATCT CLSD & DURG SNOW EVENTS, ALL ARR/DEP ACFT ANNC THEIR INTNS ON CTAF 5 MIN PRIOR TO USING THE RWYS.
A110-7PERSONNEL & EQUP PERFORMING SNOW REMOVAL OPNS WILL MONITOR CTAF.
A110-8ARNG: ARNG OPS CTC DSN 431-5520, C319-234-1372.
A110-9ARPT SFC CONDS UNMON 2200-0430 DAILY.
A26CLSD TO UNSKED ACR OPNS WITH MORE THAN 10 PSGR SEATS EXCP 72 HRS PPR AMGR. CALL AMGR 319-291-4483. CELL 319-529-1388 ARFF INDEX B PROVIDED. ARFF INDEX C AVBL ON 72 HRS REQ. AIR CARRIER OPS OVER 9 PSGR SEATS NOT AUTH OVER 15 MINUTES BEFORE OR AFTER SKED ARR OR DEP TIMES EXCP WITH PRIOR COORD WITH AMGR.
A39-12/30PCR VALUE: 513/F/B/X/T
A39-18/36PCR VALUE: 202/F/B/X/T
A70-100LLFUEL AVBL ON REQ. FEE FOR SVCS.
A76-AMBCAR RENTAL
A81-APTWHEN ATCT CLSD ACTVT MALSR RWY 12; MALS RWY 30; VASI RWY 18; PAPI RWY 36; MIRL RWYS 18/36, AND HIRL RWY 12/30 - CTAF.
WATERLOO RGNL (ICAO: KALO, IATA: ALO) is a public airport located in WATERLOO, IA, US.