Duffy''s Aircraft

KMFI
Duffy”s Aircraft Sales and Leasing Inc. is a family owned fixed based operator serving Neillsville, Marshfield and the surrounding communities in Central Wisconsin. Weather permitting, we can train pilots 365 days a year. Our flight instructors work one on one with each student.
Location
Marshfield, WI
Airport
KMFI
MARSHFIELD MUNI
Address
400 WEST 29TH STREET
MARSHFIELD, WI 54449
FBO Frequency
123.0
Phone
715-387-2211
Fax
715-384-5251
Website
https://www.duffysaircraft.com/
  • Phillips 66 Aviation Credit Cards Accepted

Fuel Offerings

Jet 100LL SAF
Full Service $7.73 Not available Not available
Self Service $7.73 $7.45 Not available

Last Update: 10/15/2026 09:06

Self Serve 24/7 with credit card

Airport Information

ICAO ID
KMFI
FAA ID
MFI
Name
MARSHFIELD MUNI
City
MARSHFIELD
State
WISCONSIN
Latitude
44.63689222
Longitude
-90.1893175
Elevation (ft)
1277.8
Tower type
NON-ATCT
FSS name
GREEN BAY

Current Weather

MVFR
Observed
Thu, 05 Nov 2026 17:54:00 GMT
Temperature
8.9°C
Dewpoint
3.9°C
Wind
360° at 12 kt, gusting 26 kt
Visibility
10+ SM
Sky cover
BKN 2800ft
Altimeter
29.81 inHg

Runways

Runway Length (ft) Width (ft) Surface Condition Lighting
05/23 3600 100 ASPH FAIR MED
16/34 5003 100 ASPH FAIR MED

* Data is self-reported to FltPlan. For more information, please visit https://www.fltplan.com/.

Our Offerings and Services

  • Environmental Attributes

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  • Contract Fuel

    Phillips 66® Aviation Contract Fuel Program offers discounted aviation fuel nationwide, helping businesses of all sizes and personal aviators save on aviation fuel costs.

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  • Credit Cards and Rewards

    Explore the Phillips 66® Aviation credit cards and earn WingPoints® rewards on every route.

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