MI46 Weather Heliflite Heliport

South Lyon, MichiganElevation 920 ftHeliport

OFF-FIELD REFERENCE

Nearest report: KPTK · 15 NM NE · 26 min old

Ceiling 200 ft, visibility 3 SM, mist.

No on-field report, so no field flight category. Conditions at the field may differ.

OFF-FIELD REFERENCE · KPTK

WIND

Calm

no steady wind

VISIBILITY

3 SM

4.8 km

CEILING

200 ft

lowest BKN/OVC

ACTIVE NWS ALERTS

Active weather alerts

Dense Fog AdvisoryModerate · Expected · Likely

25 0703Z to 25 1400Z

Sanilac; Shiawassee; Genesee; Lapeer; St. Clair; Livingston; Oakland; Macomb; Washtenaw; Wayne; Lenawee; Monroe

* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...A portion of southeast Michigan. * WHEN...Until 10 AM EDT this morning. * IMPACTS...Low visibility makes driving conditions hazardous. * ADDITIONAL DETAILS...Fog expands northward and eastward from the Ohio border, I-94, and I-96 corridors across metro Detroit and toward I-69 and the Lake Huron shoreline during the morning.

If driving, slow down, use low beam headlights, and leave plenty of distance between vehicles.

Alerts from the National Weather Service. For situational awareness only; always confirm against an official briefing.

FORECAST & PILOT NOTES · SUPPLEMENTAL

Extended forecast and pilot notes

No aviation METAR is published for this airport. The nearest National Weather Service station reports wind calm, visibility 3 SM, temperature 3.9C. Treat this as supplemental, not an aviation observation. Forecast suggests sunday areas of fog then partly sunny, high near 68F, low near 44F, 2% chance of precipitation. Key risks: no significant hazards are highlighted right now, but always confirm against an official briefing.

Day	Conditions	Temp F	Wind	Gusts	Precip
Sunday	Areas Of Fog then Partly Sunny	68/44	SSW 6 kt	–	2%
Monday	Patchy Fog then Partly Sunny	66/40	NNW 6 kt	–	2%
Tuesday	Mostly Cloudy	60/43	E 7 kt	–	0%
Wednesday	Partly Sunny	69/51	SSE 7 kt	–	5%
Thursday	Slight Chance Light Rain	71/47	WSW 10 kt	–	23%
Friday	Mostly Sunny	69/50	SE 7 kt	–	6%
Saturday	Partly Sunny then Slight Chance Light Rain	70	S 8 kt	–	16%

Source: National Weather Service (office DTX). Forecast issued 0930Z.

Radar

Radar data: NOAA/NWS MRMS composite reflectivity. For situational awareness only, not a substitute for an official weather briefing.

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RUNWAYS & WIND

Crosswind calculator

No runway layout is available for MI46. Enter a runway number or heading to estimate wind components.

RUNWAYS

Runway detail

Dimensions

100 x 100 ft

Surface

GRASS / SOD

FIELD CONDITIONS

Field elevation

920 ft MSL

Density and pressure altitude need a current temperature and altimeter from the METAR.

DAYLIGHT & NIGHT

Sun & logging windows

Sunset

2238Z 6:38 PM

Sunrise

1159Z 7:59 AM

Loggable night

2307Z (7:07 PM local) → 1130Z (7:30 AM local)

end of evening to start of morning civil twilight

Position lights required

2238Z (6:38 PM local) → 1159Z (7:59 AM local)

sunset to sunrise (91.209)

Night passenger currency

2338Z (7:38 PM local) → 1059Z (6:59 AM local)

1 hr after sunset to 1 hr before sunrise (61.57(b))

FAA definitions, shown in Zulu with airport-local time. Verify for your operation.

AIRPORT INFORMATION

Facility & services

Heliflite Heliport is in South Lyon, Michigan. Field elevation 920 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT

TypeHeliport

CHARTS & AIRSPACE

ICAO / IATAMI46

RegionMichigan

CountryUnited States

Coordinates42.4873, -83.6519

SERVICES & LIGHTING

Control towerNon-towered

AIRCRAFT ACTIVITY

MI46 traffic patterns

2026-09-01 to 2026-10-21, 8 days observed · data 2026-10-23

Medium confidence

TRAFFIC VOLUME (30-DAY)

AVG LANDINGS/DAY

AVG OPS/DAY

1.8

Operations trend (6 days)

Busiest day: Sat · Busiest month: Oct

FLEET MIX

Piston single 86%Unknown 14%

Mostly small piston aircraft.

TOP AIRCRAFT TYPES

›C172 (Piston single) · ~2 landings/mo

›P28A (Piston single) · ~2 landings/mo

›C152 (Piston single) · ~1 landings/mo

›C206 (Piston single) · ~1 landings/mo

›UNKN (Unknown) · ~1 landings/mo

Data limitations (4)

›ADS-B coverage is incomplete; counts are an observed lower bound, not official totals.

›Some aircraft do not transmit usable ADS-B and are not counted.

›Aircraft types and based estimates are inferred and may be wrong.

›This is not official ATC, FAA, or airport data.

NEARBY AIRPORTS

Weather reference stations

MI46 has no on-field report. Nearest reporting station: KPTK (15 NM NE, LIFR).

KPTK Oakland County International Airport

15 NM NE

LIFR

KYIP Willow Run Airport

16 NM S

LIFR

KARB Ann Arbor Municipal Airport

16 NM S

UNKNOWN

KDTW Detroit Metropolitan Wayne County Airport

21 NM SE

LIFR

KFNT Bishop International Airport

29 NM N

LIFR

CYQG Windsor International Airport

33 NM E

LIFR

OFFICIAL LINKS & SOURCES

↗Search NOTAMs (official FAA NOTAM Search)

↗MI46 on OurAirports

FREQUENTLY ASKED

Does MI46 have a METAR?

No on-field METAR is issued for MI46. This page uses the nearest reporting station as a reference.

Does MI46 have a TAF?

No TAF is issued directly for MI46. Use the nearest TAF-issuing field as a planning reference.

What is the field elevation at MI46?

MI46 sits at 920 ft MSL, which factors into the density-altitude estimate on this page.

Is this an official preflight weather briefing for MI46?

No. wxdecoder.com is for education and situational awareness only. It is not an official weather briefing or a substitute for official sources, NOTAM review, and pilot judgment.

This app is for aviation weather education, training, and situational awareness only. It is not a substitute for an official weather briefing, approved flight-planning software, flight service, dispatch procedures, current FAA regulations, or pilot judgment. Always verify weather with official sources before flight.