AirNav: 01IS - William E Koenig Airport

01IS

William E Koenig Airport
Dow, Illinois, USA

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FAA INFORMATION EFFECTIVE 27 NOVEMBER 2025

Location

FAA Identifier:	01IS
Lat/Long:	39-00-58.1700N 090-19-05.4070W 39-00.969500N 090-19.090117W 39.0161583,-90.3181686 (estimated)
Elevation:	670 ft. / 204 m (estimated)
Variation:	02E (1985)
From city:	1 mile E of DOW, IL
Time zone:	UTC -6 (UTC -5 during Daylight Saving Time)
Zip code:	62022

Airport Operations

Airport use:	Private use. Permission required prior to landing
Activation date:	03/1967
Control tower:	no
ARTCC:	KANSAS CITY CENTER
FSS:	SAINT LOUIS FLIGHT SERVICE STATION
Attendance:	UNATNDD
Wind indicator:	yes
Segmented circle:	no

Airport Communications

WX ASOS at SET (7 nm SW):	118.075 (636-250-4590)
WX AWOS-3PT at ALN (15 nm SE):	128.0 (618-259-7231)
WX ASOS at STL (16 nm S):	PHONE 314-238-8419

Nearby radio navigation aids

VOR radial/distance	VOR name	Freq	Var
STLr038/12.1	ST LOUIS VORTAC	117.40	01E
TOYr308/25.0	TROY VORTAC	116.00	04E
FTZr053/36.1	FORISTELL VORTAC	110.80	05E

Airport Services

Airframe service:	NONE
Powerplant service:	NONE

Runway Information

Runway 9/27

Dimensions:	1300 x 100 ft. / 396 x 30 m
Surface:	turf
	RUNWAY 9	RUNWAY 27
Traffic pattern:	left	left

Airport Ownership and Management from official FAA records

Ownership:	Privately-owned
Owner:	WILLIAM E. KOENIG 25486 DOW RD DOW, IL 62022 Phone 618-885-5415
Manager:	WILLIAM E. KOENIG 25486 DOW RD DOW, IL 62022 Phone 618-885-5415

Additional Remarks

-	FOR CD CTC ST LOUIS APCH AT 314-890-1018.

Instrument Procedures

There are no published instrument procedures at 01IS.

Some nearby airports with instrument procedures:

KSET - St Charles County Regional Airport/Smartt Field (7 nm SW)
KALN - St Louis Regional Airport (15 nm SE)
KSTL - St Louis Lambert International Airport (16 nm S)
1H0 - Creve Coeur Airport (19 nm SW)
KSUS - Spirit of St Louis Airport (26 nm SW)

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Area around 01IS (William E Koenig Airport)

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Aerial photo

Sectional chart

Airport distance calculator
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Sunrise and sunset

Times for 15-Dec-2025

	Local (UTC-6)	Zulu (UTC)
Morning civil twilight	06:44	12:44
Sunrise	07:14	13:14
Sunset	16:39	22:39
Evening civil twilight	17:09	23:09

Current date and time

Zulu (UTC)	16-Dec-2025 01:11:18
Local (UTC-6)	15-Dec-2025 19:11:18

METAR

KSET 7nm SW	160054Z AUTO 01004KT 10SM CLR M03/M09 A3011 RMK AO2 SLP201 T10331094
KALN 15nm SE	160050Z 19003KT 10SM CLR 01/M12 A3012
KSTL 16nm S	160051Z 00000KT 10SM FEW250 01/M11 A3011 RMK AO2 SLP211 T00111106 $

TAF

KSTL
16nm S

152106Z 1521/1624 21014KT P6SM SKC FM152200 22007KT P6SM SKC FM160200 20005KT P6SM SCT025 FM160900 20006KT P6SM FEW250

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