Koch Airport

IS71 · Durand, IL · 800 ft elevation

Overview Weather Runways Comms & NavAids Charts Services & info

Airport information

FAA LID: IS71
Coordinates: 42.4592, -89.1994
Elevation: 800 ft MSL

Detailed FAA facility data isn't available for this airport.

Weather

METAR observed

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TAF forecast

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Sun & FAA night 2026-06-21

Event	Local (CDT)	UTC
Morning civil twilight Loggable night ends	04:45 AM	09:45Z
Sunrise	05:20 AM	10:20Z
Sunset	08:37 PM	01:37Z
Evening civil twilight Loggable night begins	09:12 PM	02:12Z

Loggable night (§1.1)

09:12 PM → 04:45 AM

Night currency (§61.57)

09:37 PM → 04:20 AM

Plan a flight from IS71

Destination (ICAO)

TAS (kt)Burn (gph)Reserve (hr)Wind from (°)Wind (kt)

Traffic pattern

Landing runway

LEFT traffic

Landing: Rwy 08
Pattern: left (turns left)
TPA: 1,800 ft MSL (≈1,000 AGL)

Enter the left downwind for Rwy 08 at 1,800 ft MSL (≈1,000 AGL) on a 45°. TPA estimated at 1,000 ft AGL (not charted for this field).

Runway 08/26

2,450 ft × 70 ft · TURF

Heading: n/a

Heading: n/a

Headings shown are true (magnetic variation unavailable).

Will it fit? Your aircraft's required runway length (from the POH) — checked against every runway here

ft · ≥1.5× comfortable, under 1.25× tight · saved across airports

Runway	Length	Your margin
08/26	2,450 ft

Nearby navigation aids

NavAid	Type	Freq	Radial / Dist magnetic
JVL · Janesville	VOR-DME	114.30	r212° / 7.3 NM
RFD · Rockford	VOR-DME	110.80	r359° / 14 NM
PLL · Polo	VOR-DME	111.20	r023° / 33 NM

VFR sectional

Open IS71 on the VFR sectional (SkyVector) ↗

No published instrument procedures or Chart Supplement for IS71. VFR sectional link above.

No published services or facility detail for IS71.

Nearby airports

LL89 · Blackhawk Farms Inc AirportPrivate (4 NM)LL80 · Darrington AirportPrivate (5 NM)LL88 · Harry D Fenton Airport (5 NM)3LL0 · Miller AirportPrivate (5 NM)LL79 · Severson AirportPrivate (5 NM)IS78 · Early-Merkel FieldPrivate (6 NM)

Weather is live from the Aviation Weather Center; airport facility data is from the FAA NASR (28-day cycle). For planning and education only; always verify against official sources. Open IS71 in a full tool: METAR/TAF decoder, crosswind calculator, sun & night times, or the density altitude calculator. Planning from here? Find the nearest airport with fuel or an approach, or check whether an IFR alternate is required.

About IS71

Koch Airport (IS71) is an airport in Durand, IL, at 800 ft MSL. It has 1 runway, the longest 2,450 ft. This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for IS71, refreshed from the Aviation Weather Center and FAA NASR.

What is the longest runway at IS71?

Koch Airport has 1 runway; the longest is 2,450 ft. See the Runways tab for headings, surface, and lighting.

Where is IS71?

Koch Airport is in Durand, IL, at an elevation of 800 ft MSL. Coordinates: 42.4592, -89.1994.

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