Nielsens Medical Evac Heliport Heliport

1MU9 · Saint Charles, MO · 425 ft elevation

Overview Weather Runways Comms & NavAids Charts Services & info

Airport information

FAA LID: 1MU9
Coordinates: 38.9353, -90.4765
Elevation: 425 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	05:05 AM	10:05Z
Sunrise	05:37 AM	10:37Z
Sunset	08:31 PM	01:31Z
Evening civil twilight Loggable night begins	09:03 PM	02:03Z

Loggable night (§1.1)

09:03 PM → 05:05 AM

Night currency (§61.57)

09:31 PM → 04:37 AM

Plan a flight from 1MU9

Destination (ICAO)

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

Runway H1/

100 ft × 100 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
H1/	100 ft

Nearby navigation aids

NavAid	Type	Freq	Radial / Dist magnetic
STL · St Louis	VORTAC	117.40	r003° / 4.5 NM
CSX · Cardinal	VOR-DME	116.45	r334° / 12.2 NM
FTZ · Foristell	VORTAC	110.80	r053° / 27.3 NM
TOY · Troy	VORTAC	116.00	r290° / 28.6 NM
SKE · Scott	TACAN	112.20	r307° / 37.5 NM

VFR sectional

Open 1MU9 on the VFR sectional (SkyVector) ↗

No published instrument procedures or Chart Supplement for 1MU9. VFR sectional link above.

No published services or facility detail for 1MU9.

Nearby airports

KSET · St Charles County Regional Airport/Smartt Field (2 NM)8IS3 · Dept of Corrections HeliportHeliportPrivate (2 NM)IL72 · Hawg Pit Landing ZoneHeliportPrivate (3 NM)4IL7 · Brussels HeliportHeliportPrivate (5 NM)01IS · William E. Koenig Airport (9 NM)45MO · Waldmeister Farm AirportPrivate (9 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 1MU9 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 1MU9

Nielsens Medical Evac Heliport (1MU9) is a heliport in Saint Charles, MO, at 425 ft MSL. It has 1 runway, the longest 100 ft. This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for 1MU9, refreshed from the Aviation Weather Center and FAA NASR.

What is the longest runway at 1MU9?

Nielsens Medical Evac Heliport has 1 runway; the longest is 100 ft. See the Runways tab for headings, surface, and lighting.

Where is 1MU9?

Nielsens Medical Evac Heliport is in Saint Charles, MO, at an elevation of 425 ft MSL. Coordinates: 38.9353, -90.4765.

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