Green Castle Airport

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Location

Latitude: 
 41-45-28.9000N (41.758028)
Longitude: 
 091-43-15.4250W (-91.720951)
Elevation: 
 756.0 feet MSL (230 m MSL)
Magnetic Variation: 
 1.1 W (as of December 2025 from WMM2020 model)
Time Zone: 
 UTC -6.0 (Standard Time)
UTC -5.0 (Daylight Savings Time)
From City: 
 04 N.M. NE of Oxford, Iowa
Found On: 
 Chicago Chart
FAA Region: 
 ACE

Contacts

Manager: 
Privately owned: 
GREEN CASTLE AERO CLUB, LTD
2154 250TH ST. N.W.
OXFORD, IA 52322
319-545-2101		 GREEN CASTLE AERO CLUB, LTD
2154 250TH ST. N.W.
OXFORD, IA 52322
319-545-2101

Operations

Airport Status: 
 Operational
Facility Use: 
 Private
Type: 
 Airport
Activation Date: 
 11/1976
Control tower: 
 No
Attendance (Months/Days/Hours): 
 Months/Days/Hours
ALL/ALL/0800-1700
Boundary ARTCC: 
 ZAU (Chicago)
Responsible ARTCC: 
 ZAU (Chicago)
Lighting Schedule: 
 SS-SR
Segmented Circle Indicator: 
 No
Traffic Pattern Altitude (MSL): 
 1756 feet (535 m)
NOTAM-D Service: 
 No

Based Aircraft

Annual Operations (as of )

Communications

CTAF:  122.900

       

    Fixed Based Operators (FBOs) & Fuel

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    Area Code: 319
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    Flight Service Stations

    Primary Alternate
    FSS on Field:  N
    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 IA24

    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
    7.6 The Eastern Iowa Airport
    (CID KCID CID)    		 3 4 100LL, Jet A
    10.5 Iowa City Municipal Airport
    (IOW KIOW IOW)    		 132 133 100LL, Jet A
    18.4 Marion Airport
    (C17)    		 27 28 100LL, Jet A, MOGAS
    26.2 Belle Plaine Municipal Airport
    (KTZT TZT)    		 286 287 100LL, Jet A
    29.0 Washington Municipal Airport
    (KAWG AWG)    		 176 177 100LL, Jet A
    34.8 Muscatine Municipal Airport
    (MUT KMUT MUT)    		 132 134 100LL, Jet A
    37.3 Monticello Regional Airport
    (MXO KMXO MXO)    		 41 43 100LL, Jet A
    43.1 James H Connell Field At Independence Municipal Airport
    (KIIB IIB)    		 346 347 100LL, Jet A
    43.7 Fairfield Municipal Airport
    (FFL KFFL FFL)    		 195 196 100LL, Jet A
    45.5 Grinnell Regional Airport
    (KGGI GGI)    		 266 266 100LL, Jet A
    47.2 Maquoketa Municipal Airport
    (KOQW OQW)    		 67 69 100LL
    49.6 Mount Pleasant Municipal Airport
    (MPZ KMPZ MPZ)    		 168 169 100LL, Jet A
    50.9 Ottumwa Regional Airport
    (OTM KOTM OTM)    		 220 221 100LL, Jet A
    51.5 Davenport Municipal Airport
    (DVN KDVN DVN)    		 99 101 100LL, Jet A
    53.7 Mercer County Airport
    (C00)    		 124 126 100LL
    56.5 Oelwein Municipal Airport
    (KOLZ OLZ)    		 348 349 100LL, Jet A
    56.8 Waterloo Regional Airport
    (ALO KALO ALO)    		 328 329 100LL, Jet A
    57.5 Marshalltown Municipal Airport
    (MIW KMIW MIW)    		 292 292 100LL, Jet A
    57.5 Quad Cities International Airport
    (MLI KMLI MLI)    		 108 110 100LL, Jet A
    57.9 Quad-City Seaplane Base
    (I04)    		 107 109 100LL

    Notices to Airmen (NOTAMS)

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    Remarks

    A110-1 RWY 15/33 - 1400' TURF STOPWAY END OF RWY 33.
    A110-2 FOR CD CTC CHICAGO ARTCC AT 630-906-8921.
    A16 DEAN BERANEK PRESIDENT 563-506-2665

    Runways

    Runway Summary

    Runways: 15/33
    Longest Runway: 15/33 is 4000 ft (1219 m) long
    Runways with an Instrument Approach:

    IA24 Seaplane Base Runway Details

    Runway 15/33  4000 ft x 60 ft (1219 m x 18 m)
    Runway Length Source:  FAA OE/AAA as of 08/23/2021
    Surface:  Asphalt/Turf - No special surface treatment
    Runway Edge Lights:  Low Intensity

    Runway 15

    Runway 33
    Elevation: 
    		 717.0 756.0
    Latitude: 
    		 41-45-45.9100N 41-45-11.8900N
    Longitude: 
    		 091-43-28.8600W 091-43-01.9900W
    Glide Path Angle: 
    		 0.0 degrees 0.0 degrees
    Object at End: 
    		 ROAD TREES
    Object Marked/Lighted?: 
    		 Marked Marked
    Distance from End: 
    		 60 600

    Services

    Airframe Repair: 
    		 Minor
    Powerplant Repair: 
    		 Minor
    Bottled Oxygen: 
    		 None
    Bulk Oxygen: 
    		 None
    Fuel Available: 
    		 100LL
    Landing Fees: 
    		 No
    Parking: 
    		 Tiedowns available

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    Maps & Diagrams

    IA24 Sectional

    Flight Planning
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    IA24 Diagram


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