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IA21 Knight Field Airport
Berkley, Iowa, USA

GOING TO BERKLEY?

FAA INFORMATION EFFECTIVE 25 DECEMBER 2025

Location

FAA Identifier: IA21
Lat/Long: 41-57-24.1100N 094-05-12.9900W
41-57.401833N 094-05.216500W
41.9566972,-94.0869417
(estimated)
Elevation: 989 ft. / 301 m (estimated)
From city: 1 mile NE of BERKLEY, IA
Time zone: UTC -6 (UTC -5 during Daylight Saving Time)
Zip code: 50235

Airport Operations

Airport use: Private use. Permission required prior to landing
Activation date: 11/2019
Control tower: no
ARTCC: MINNEAPOLIS CENTER
FSS: FORT DODGE FLIGHT SERVICE STATION
Attendance: 
Segmented circle: no

Airport Communications

WX AWOS-3 at PRO (8 nm SW): 118.0 (515-465-2269)
WX AWOS-3 at BNW (12 nm NE): 120.925 (515-432-9042)

Nearby radio navigation aids

VOR radial/distance  VOR name  Freq  Var
DSMr321/36.8DES MOINES VORTAC117.5007E

Airport Services

Runway Information

Runway 18/36

Dimensions: 2000 x 50 ft. / 610 x 15 m
Surface: turf
RUNWAY 18  RUNWAY 36
Latitude: 41-57.566500N41-57.236833N
Longitude: 094-05.217500W094-05.215333W
Elevation: 985.0 ft.982.0 ft.
Traffic pattern: rightleft

Airport Ownership and Management from official FAA records

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

Instrument Procedures

There are no published instrument procedures at IA21.

Some nearby airports with instrument procedures:

KPRO - Perry Municipal Airport (8 nm SW)
KEFW - Jefferson Municipal Airport (12 nm W)
KBNW - Boone Municipal Airport (12 nm NE)
KAMW - Ames Municipal Airport (21 nm E)
KGCT - Guthrie County Regional Airport (22 nm SW)
  
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Aerial photo
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Airport distance calculator
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From to IA21

Sunrise and sunset
Times for 22-Jan-2026
 Local
(UTC-6)		 Zulu
(UTC)
Morning civil twilight07:0813:08
Sunrise07:3913:39
Sunset17:1723:17
Evening civil twilight17:4823:48

Current date and time
Zulu (UTC)  22-Jan-2026 06:27:46
Local (UTC-6)  22-Jan-2026 00:27:46
 
METAR
KPRO 
8nm SW 		220615Z AUTO 28008KT 10SM CLR M11/M13 A3019 RMK AO2 T11121133
KBNW 
12nm E 		220615Z AUTO 26007KT 10SM BKN028 M10/M12 A3017 RMK AO2
TAF
KDSM 
32nm SE 		220520Z 2206/2306 28007KT P6SM SKC FM221700 30012G20KT P6SM SCT040 SCT120 FM230100 34012KT P6SM FEW060
KFOD 
35nm N 		220520Z 2206/2306 27007KT P6SM FEW120 FM221900 30012G22KT P6SM SCT022 BKN040 FM222300 33010KT P6SM SCT027
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