Caterpillar Aurora Heliport Heliport

IS74 · Montgomery, IL · 660 ft elevation

Overview Weather Runways Comms & NavAids Charts Services & info

Airport information

FAA LID: IS74
Coordinates: 41.7170, -88.3592
Elevation: 660 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 2026-06-23

Event	Local (CDT)	UTC
Morning civil twilight Loggable night ends	04:45 AM	09:45Z
Sunrise	05:19 AM	10:19Z
Sunset	08:32 PM	01:32Z
Evening civil twilight Loggable night begins	09:06 PM	02:06Z

Loggable night (§1.1)

09:06 PM → 04:45 AM

Night currency (§61.57)

09:32 PM → 04:19 AM

Plan a flight from IS74

Destination (ICAO)

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

Runway H1/

10 ft × 10 ft · CONC

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
H1/	10 ft

Nearby navigation aids

NavAid	Type	Freq	Radial / Dist magnetic
DPA · Du Page	VOR-DME	108.40	r180° / 10.4 NM
JOT · Joliet	VORTAC	112.30	r348° / 10.4 NM
OBK · Northbrook	VOR-DME	113.00	r213° / 35.3 NM
EON · Peotone	VORTAC	113.20	r315° / 37.1 NM
CGT · Chicago Heights	VORTAC	114.20	r288° / 37.5 NM

VFR sectional

Open IS74 on the VFR sectional (SkyVector) ↗

No published instrument procedures or Chart Supplement for IS74. VFR sectional link above.

No published services or facility detail for IS74.

Nearby airports

7IS8 · Rush-Copley Medical Center HeliportHeliportPrivate (4 NM)IL21 · Ascension Mercy HeliportHeliportPrivate (4 NM)US-7329 · Avantara Aurora HeliportHeliport (4 NM)85LL · Wormley Airport (5 NM)62LL · Rush Copley Emergency Center HeliportHeliportPrivate (6 NM)KARR · Aurora Municipal Airport (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 IS74 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 IS74

Caterpillar Aurora Heliport (IS74) is a heliport in Montgomery, IL, at 660 ft MSL. It has 1 runway, the longest 10 ft. This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for IS74, refreshed from the Aviation Weather Center and FAA NASR.

What is the longest runway at IS74?

Caterpillar Aurora Heliport has 1 runway; the longest is 10 ft. See the Runways tab for headings, surface, and lighting.

Where is IS74?

Caterpillar Aurora Heliport is in Montgomery, IL, at an elevation of 660 ft MSL. Coordinates: 41.7170, -88.3592.

Fly out of IS74 often?

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