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11WN Diedrich Seaplane Base
Lodi, Wisconsin, USA

GOING TO LODI?

FAA INFORMATION EFFECTIVE 16 APRIL 2026

Location

FAA Identifier: 11WN
Lat/Long: 43-21-14.9500N 089-34-16.4300W
43-21.249167N 089-34.273833W
43.3541528,-89.5712306
(estimated)
Elevation: 774 ft. / 236 m (estimated)
Variation: 01W (1995)
From city: 3 miles NW of LODI, WI
Time zone: UTC -5 (UTC -6 during Standard Time)
Zip code: 53555

Seaplane Base Operations

Seaplane Base use: Private use. Permission required prior to landing
Activation date: 03/1999
Control tower: no
ARTCC: CHICAGO CENTER
FSS: GREEN BAY FLIGHT SERVICE STATION
Attendance: UNATNDD
Wind indicator: yes
Segmented circle: no

Seaplane Base Communications

WX AWOS-3 at DLL (13 nm NW): 118.325 (608-356-1071)
WX AWOS-3 at C29 (14 nm S): 118.675 (608-833-1686)
WX ASOS at MSN (16 nm SE): PHONE 608-410-1285

Nearby radio navigation aids

VOR radial/distance  VOR name  Freq  Var
DLLr142/14.5DELLS VORTAC117.0003E
MSNr318/16.1MADISON VORTAC108.6003E

 
NDB name  Hdg/Dist  Freq  Var  ID
ROCK RIVER287/38.537101WRYV .-. -.-- ...-

Seaplane Base Services

Runway Information

Runway 9W/27W

Dimensions: 3000 x 350 ft. / 914 x 107 m
Surface: water
RUNWAY 9W  RUNWAY 27W
Traffic pattern: leftleft

Runway 17W/35W

Dimensions: 1800 x 350 ft. / 549 x 107 m
Surface: water
RUNWAY 17W  RUNWAY 35W
Traffic pattern: leftleft

Seaplane Base Ownership and Management from official FAA records

Ownership: Privately-owned
Owner: LAWRENCE F. DIEDRICH
W11305 COUNTY HWY V
LODI, WI 53555
Phone 608-592-3519
Manager: LAWRENCE F. DIEDRICH
W11305 COUNTY HWY V.
LODI, WI 53555
Phone 608-592-3519

Additional Remarks

- FOR CD CTC CHICAGO ARTCC AT 630-906-8921.

Instrument Procedures

There are no published instrument procedures at 11WN.

Some nearby airports with instrument procedures:

91C - Sauk/Prairie Airport (9 nm SW)
C47 - Portage Municipal Airport (13 nm N)
KDLL - Baraboo/Wisconsin Dells Regional Airport (13 nm NW)
C29 - Middleton Municipal Airport - Morey Field (14 nm S)
KMSN - Dane County Regional Airport-Truax Field (16 nm SE)
  
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Area around 11WN (Diedrich Seaplane Base)
 
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Sectional chart

 
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From to 11WN

Sunrise and sunset
Times for 29-Apr-2026
 Local
(UTC-5)		 Zulu
(UTC)
Morning civil twilight05:2410:24
Sunrise05:5510:55
Sunset19:5600:56
Evening civil twilight20:2701:27

Current date and time
Zulu (UTC)  29-Apr-2026 20:58:59
Local (UTC-5)  29-Apr-2026 15:58:59
 
METAR
KDLL 
13nm NW 		292035Z AUTO 33005KT 10SM SCT037 SCT047 OVC080 07/04 A3000 RMK AO2 T00730039
KC29 
14nm S 		292035Z AUTO 33008KT 10SM SCT025 BKN060 OVC070 08/04 A3001 RMK AO1 P0001 T00810040
KMSN 
16nm SE 		292053Z 33005KT 10SM -RA BKN019 BKN034 BKN070 08/04 A2999 RMK AO2 RAB19 SLP160 P0000 60000 T00780039 53002
KC35 
21nm NW 		292035Z AUTO 34011G23KT 300V360 10SM OVC030 08/02 A3002 RMK AO2 T00760015 PWINO
TAF
KMSN 
16nm SE 		291720Z 2918/3018 35012KT P6SM VCSH BKN013 TEMPO 2920/2922 6SM -SHRA BKN015 OVC024 FM292200 33010KT P6SM SCT025 BKN050 FM300100 VRB05KT P6SM FEW050 SCT250
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