Terminal Procedures

91C — Sauk/Prairie

PRAIRIE DU SAC, WI · 3 FAA charts · cycle 6 Aug 2026

Elevation 832 ft1 runwayLongest 2,936 ftNon-toweredFuel 100LL avgas, UL94 unleadedVolume EC-3Not for navigation

2 published instrument approaches: 2 RNAV (GPS), serving 2 runway ends.

All 3 91C charts in one download Every approach, departure, arrival and minimums page for this airport, sorted into folders, as a single ZIP. Taken one at a time on the free tier, 3 charts is roughly 19 sec of downloading — they queue one behind another.

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Instrument approach procedures

	Chart	Amendment
	RNAV (GPS) RWY 18	1	PDF
	RNAV (GPS) RWY 36	1	PDF

Takeoff and alternate minimums

	Chart	Amendment
	TAKEOFF MINIMUMS	—	PDF

Minimums pages cover a whole volume, so the same document is shared by every airport in it.

91C airport information

Control tower: No
Attendance: Unattended
ARTCC: Chicago Center
Flight service: Green Bay
NOTAM facility: GRB (NOTAM-D available)
Magnetic variation: 0E
Beacon: White-green (lighted land airport), sunset to sunrise
Wind indicator: Lighted
Fuel: 100LL avgas, UL94 unleaded
Bottled oxygen: None
Parking: Tie-downs
Customs: Landing rights airport
Activated: January 1963
Airport area: 20 acres
Ownership: Privately owned
Sectional: Chicago
Last FAA inspection: 2026-05-13

From the FAA NASR 28-day subscription, cycle 6 Aug 2026.

91C radio frequencies

Service	Frequency	Call sign
CTAF	122.9
Approach	135.45	Madison

Civil VHF frequencies from the FAA NASR 28-day subscription. Discrete sector and military frequencies are not listed.

Runways

Runway layout at 91C, drawn to scale from FAA published runway-end coordinates and true alignments. Runways served by an ILS are highlighted.

Runway	Length	Width	Surface	Lighting
18/36	2,936 ft	60 ft	Asphalt Fair	Medium intensity
18 177°T	PAPI (2-box) 3°
36 357°T	PAPI (2-box) 3°

Runway and approach-aid data from the FAA NASR 28-day subscription.

Where 91C is

Latitude, longitude43.2978610, -89.7558060

Elevation832 ft

From Prairie Du Sac2 nm W

Paste the coordinates into a simulator’s world map to drop straight onto the field.

FAA remarks for 91C

ULTRALGT & HEL ACT ON & INVOF ARPT.
ACTVT MIRL RY 18/36, REIL RYS 18 & 36, & PAPI RYS 18 & 36 - CTAF.
25 FT TREES AT RWY END, 225L.
MAINT VEHICLE TFC ON AND INVOF ARPT.
W RAMP AND TWY PVT, CLSD TSNT.
AVOID HOSPITAL/HELIPAD 3,000 FT SOUTHEAST OF RY 36 THLD.
RY 18 DEPS CLIMB TO 1,800 FT MSL ON RY HEADING BFR TURNING EAST/SOUTHEAST.
TKOFS & LDGS ARE PROHIBITED ON UNPAVED SFCS.
FOR CD CTC MADISON APP/DEP CON AT 608-249-8240. WHEN MADISON APCH CLSD, FOR CD CTC CHICAGO ARTCC AT 630-906-8921.

Published verbatim from the FAA NASR subscription. Abbreviations are the FAA's own.

Airports near 91C

ID	Airport	City	Distance	Charts
KDLL	Baraboo/Wisconsin Dells Rgnl	BARABOO, WI	13 nm N	6
C29	Middleton Muni/Morey Fld	MIDDLETON, WI	15 nm SE	6
C35	Reedsburg Muni	REEDSBURG, WI	17 nm NW	4
KLNR	Tri-County Rgnl	LONE ROCK, WI	19 nm W	5
C47	Portage Muni	PORTAGE, WI	20 nm NE	2
KMSN	Dane County Rgnl/Truax Fld	MADISON, WI	21 nm SE	21
93C	Richland	RICHLAND CENTER, WI	24 nm W	2
87Y	Blackhawk Airfield	MADISON, WI	28 nm SE	2

VFR charts covering 91C

ChicagoSectional Chart

Common questions about 91C

What charts are available for 91C?

3 current FAA charts for Sauk/Prairie, including 2 instrument approachs. All are free to download as PDFs from this page, from the 6 August 2026 cycle.

What are the radio frequencies for 91C?

CTAF 122.9. Full civil VHF list, with sector notes, is in the frequencies table on this page — from the FAA NASR subscription.

How long is the runway at 91C?

Sauk/Prairie has 1 runway. The longest is 18/36 at 2,936 ft by 60 ft, asphalt. Full runway dimensions, lighting and approach aids are listed on this page.

Does 91C have an ILS approach?

No ILS is published. In total 91C has 2 published instrument approaches, of which 2 are RNAV (GPS).

Is 91C a towered airport?

No — Sauk/Prairie has no control tower. Traffic co-ordinates on a common frequency rather than with a controller, which is listed in the frequencies table on this page.

Are these 91C charts current?

They are from the FAA cycle effective 6 August 2026, which is superseded on 3 September 2026. We publish each new cycle on its effective date. They are for flight simulation and reference only — not for real-world navigation.

Wider chart sets

This airport3 chartsEvery 91C plate, one ZIP

All of Wisconsin345 charts75.7 MB · every airport in the state Every US airport16,522 charts3.51 GB · the whole country offline

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Reviewed by Ian Stephens · Editor-in-ChiefChart sourcing and page templates reviewed for accuracy. The charts themselves are unmodified FAA publications.

Not for navigation. For flight simulation and reference use only. Procedures are superseded on a 28-day cycle — obtain current official charts from the FAA for real-world flight.

FAA public-domain products, mirrored unmodified. Fly Away Simulation is not affiliated with or endorsed by the FAA. Chart licensing and terms.