Knight Field Airport

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Location

Latitude: 
 41-57-24.1100N (41.956697)
Longitude: 
 094-05-12.9900W (-94.086942)
Elevation: 
 989.0 feet MSL (301 m MSL)
Magnetic Variation: 
 0.7 E (as of December 2025 from WMM2020 model)
Time Zone: 
 UTC -6.0 (Standard Time)
UTC -5.0 (Daylight Savings Time)
From City: 
 01 N.M. NE of Berkley, Iowa
Found On: 
 Omaha Chart
FAA Region: 
 ACE

Contacts

Manager: 
Privately owned: 
TODD KNIGHT
224 NE CIRCLE DRIVE
GRIMES, IA 50111
602-490-0614		 TODD KNIGHT
224 NE CIRCLE DRIVE
GRIMES, IA 50111
602-290-0614

Operations

Airport Status: 
 Operational
Facility Use: 
 Private
Type: 
 Airport
Activation Date: 
 11/2019
Control tower: 
 No
Boundary ARTCC: 
 ZMP (Minneapolis)
Responsible ARTCC: 
 ZMP (Minneapolis)
Traffic Pattern Altitude (MSL): 
 1989 feet (606 m)

Based Aircraft

Annual Operations (as of )

Communications

       

    Fixed Based Operators (FBOs) & Fuel

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    Flight Service Stations

    Primary Alternate
    FSS on Field: 
    FSS Name (ID):  Fort Dodge(FOD)
    Frequency: 
    Toll Free Phone:  1-800-WX-BRIEF

    Instrument Procedures / Charts

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    Navigation Aids (Navaids) near IA21

    Navigational Aid (NAVAID) distances from the airport are listed in Nautical Miles (NM).

    Nearby Airports with Fuel

    Dist (NM) Name (Airport IDs) True Hdg Mag Hdg Fuel Grade
    8.5 Perry Municipal Airport
    (PRO KPRO PRO)    		 202 201 100LL, Jet A
    11.8 Jefferson Municipal Airport
    (EFW KEFW EFW)    		 285 284 100LL
    12.0 Boone Municipal Airport
    (BNW KBNW BNW)    		 62 62 100LL, Jet A, MOGAS
    20.9 Ames Municipal Airport
    (AMW KAMW AMW)    		 84 84 100, Jet A
    28.2 Ankeny Regional Airport
    (KIKV IKV)    		 124 124 100LL, Jet A
    30.4 Webster City Municipal Airport
    (EBS KEBS EBS)    		 18 18 100LL, Jet A
    31.7 Des Moines International Airport
    (DSM KDSM DSM)    		 143 143 100LL, Jet A
    31.8 Arthur N Neu Airport
    (CIN KCIN CIN)    		 280 279 100LL, Jet A
    35.1 Rockwell City Municipal Airport
    (2Y4)    		 317 316 100LL
    35.8 Winterset Municipal Airport
    (3Y3)    		 175 174 100LL, Jet A
    36.0 Fort Dodge Regional Airport
    (FOD KFOD FOD)    		 352 351 100LL, Jet A
    36.9 Drake Airport
    (2Y1)    		 53 53 100LL
    40.3 Audubon County Airport
    (KADU ADU)    		 247 246 100LL, Jet A
    41.0 Greenfield Municipal Airport
    (KGFZ GFZ)    		 203 202 100LL
    45.8 Eagle Grove Municipal Airport
    (KEAG EAG)    		 9 9 100LL
    47.1 Sac City Municipal Airport
    (KSKI SKI)    		 302 301 100LL
    47.6 Iowa Falls Municipal Airport
    (IFA KIFA IFA)    		 49 49 100LL, Jet A+
    49.2 Clarion Municipal Airport
    (KCAV CAV)    		 17 17 100LL, Jet A
    52.9 Marshalltown Municipal Airport
    (MIW KMIW MIW)    		 79 79 100LL, Jet A
    54.4 Atlantic Municipal Airport
    (AIO KAIO AIO)    		 232 231 100LL, Jet A

    Notices to Airmen (NOTAMS)

    NOTAMs

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    Remarks

    No remarks for this landing facility

    Runways

    Runway Summary

    Runways: 18/36
    Longest Runway: 18/36 is 2000 ft (610 m) long
    Runways with an Instrument Approach:

    IA21 Airport Runway Details

    Runway 18/36  2000 ft x 50 ft (610 m x 15 m)
    Runway Length Source:  OWNER as of 10/18/2019
    Surface:  Turf - No special surface treatment

    Runway 18

    Runway 36
    Elevation: 
    		 985.0 982.0
    Latitude: 
    		 41-57-33.9900N 41-57-14.2100N
    Longitude: 
    		 094-05-13.0500W 094-05-12.9200W
    Glide Path Angle: 
    		 0.0 degrees 0.0 degrees
    Traffic Pattern: 
    		 Right

    Services

    Airframe Repair: 
    		 Minor
    Powerplant Repair: 
    		 Minor
    Bottled Oxygen: 
    		 None
    Bulk Oxygen: 
    		 None
    Fuel Available: 
    		 100LL, Jet A
    Landing Fees: 
    		 No
    Parking: 
    		 Hangars and tiedowns available

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    Maps & Diagrams

    IA21 Sectional

    Flight Planning
    at skyvector.com

    IA21 Diagram


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