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11WN Diedrich Seaplane Base
Lodi, Wisconsin, USA

GOING TO LODI?

FAA INFORMATION EFFECTIVE 01 OCTOBER 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)
  
Loc | Ops | Rwys | IFR | FBO | Links
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Area around 11WN (Diedrich Seaplane Base)
 
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Sectional chart

 
Airport distance calculator
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From to 11WN

Sunrise and sunset
Times for 13-Oct-2026
 Local
(UTC-5)		 Zulu
(UTC)
Morning civil twilight06:4211:42
Sunrise07:1112:11
Sunset18:1823:18
Evening civil twilight18:4723:47

Current date and time
Zulu (UTC)  13-Oct-2026 16:14:08
Local (UTC-5)  13-Oct-2026 11:14:08
 
METAR
KDLL 
13nm NW 		131555Z AUTO 33003KT 10SM CLR 19/11 A2986 RMK AO2 T01880114
KC29 
14nm S 		131555Z AUTO 30008KT 10SM CLR 21/12 A2986 RMK AO1 T02100123
KMSN 
16nm SE 		131553Z 30004KT 10SM CLR 20/13 A2985 RMK AO2 SLP102 T02000128
KC35 
21nm NW 		131555Z AUTO 27009G15KT 10SM CLR 19/11 A2986 RMK AO2 T01910114
TAF
KMSN 
16nm SE 		131120Z 1312/1412 28010KT P6SM SCT035 FM131700 31007KT P6SM SKC FM140000 VRB04KT P6SM BKN050 PROB30 1400/1403 -SHRA
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