WxDecoder

MI20 Weather White O'Morn Heliport

Chelsea, MichiganElevation 960 ftHeliport
OFF-FIELD REFERENCE
Nearest report: KARB · 12 NM E · 49 min old
No ceiling.
No on-field report, so no field flight category. Conditions at the field may differ.
OFF-FIELD REFERENCE · KARB
WIND
Calm
no steady wind
CEILING
None
no BKN/OVC layer
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 from 190° at 7 kt, visibility 10 SM, temperature 19C. Treat this as supplemental, not an aviation observation. Forecast suggests this afternoon partly sunny, high near 69F, low near 44F, 4% chance of precipitation. Key risks: no significant hazards are highlighted right now, but always confirm against an official briefing.

DayConditionsTemp FWindGustsPrecipPilot note
This Afternoon Partly Sunny 69/44 SSW 6 kt – 4%
Monday Patchy Fog then Partly Sunny 68/41 NW 6 kt – 2%
Tuesday Partly Sunny 62/43 E 7 kt – 0%
Wednesday Partly Sunny 70/51 SSE 7 kt – 4%
Thursday Slight Chance Light Rain 72/47 WSW 10 kt – 22%
Friday Mostly Sunny 70/50 SSW 7 kt – 6%
Saturday Partly Sunny then Slight Chance Light Rain 70/52 S 8 kt – 42%

Source: National Weather Service (office DTX). Forecast issued 1601Z.

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 MI20. Enter a runway number or heading to estimate wind components.
RUNWAYS

Runway detail & declared distances

1 runway · longest 24 ft

H1
Dimensions
24 x 24 ft
Surface
Asphalt
Edge lights
FLD
RWY H1

Runway data from the FAA NASR dataset (effective 2026-06-11). Verify with the current Chart Supplement and NOTAMs.

FIELD CONDITIONS

Field elevation

Field elevation
960 ft MSL

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

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
2239Z 6:39 PM
Sunrise
1201Z 8:01 AM
Loggable night
2308Z (7:08 PM local) → 1132Z (7:32 AM local)
end of evening to start of morning civil twilight
Position lights required
2239Z (6:39 PM local) → 1201Z (8:01 AM local)
sunset to sunrise (91.209)
Night passenger currency
2339Z (7:39 PM local) → 1101Z (7:01 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

White O'Morn Heliport is in Chelsea, Michigan. Field elevation 960 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipPrivately owned
UsePrivate use
TypeHeliport
ManagerROBERT C. JACKSON
Manager phone734-475-2027
AttendedUNATNDD
CHARTS & AIRSPACE
ICAO / IATAMI20
SectionalDETROIT
Center (ARTCC)CLEVELAND
Flight service (AFSS)LANSING
RegionMichigan
CountryUnited States
Coordinates42.2526, -84.0074
Distance from city4 NM SE
SERVICES & LIGHTING
Control towerNon-towered
Field lightingSee remarks
CTAF122.900
FREQUENCIES

Communications

122.900
CTAF
CTAF

Not all tower/ground/approach frequencies are in our datasets. Verify with the FAA Chart Supplement.

AIRCRAFT ACTIVITY

MI20 traffic patterns

2026-06-13 to 2026-10-19, 4 days observed · data 2026-10-23

Low confidence
TRAFFIC VOLUME (30-DAY)
AVG LANDINGS/DAY
1
AVG OPS/DAY
2
Activity trend over 2 days: flat, from 2 to 2 operations per dayOperations trend (2 days)

Busiest day: Mon · Busiest month: Oct

FLEET MIX
Piston single 67%Unknown 33%

Mostly small piston aircraft.

TOP AIRCRAFT TYPES
›BL8 (Unknown) · ~1 landings/mo
›C152 (Piston single) · ~1 landings/mo
›C172 (Piston single) · ~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

MI20 has no on-field report. Nearest reporting station: KARB (12 NM E, UNKNOWN).

KARB Ann Arbor Municipal Airport
12 NM E
UNKNOWN
KJXN Jackson County Airport/Reynolds Field
20 NM W
VFR
KYIP Willow Run Airport
21 NM E
VFR
KADG Lenawee County Airport
23 NM S
VFR
KDTW Detroit Metropolitan Wayne County Airport
29 NM E
VFR
KPTK Oakland County International Airport
36 NM NE
VFR
AIRPORT REMARKS

Operational remarks

›FOR CD CTC DETROIT APCH AT 734-955-1404.
›PRVDD AREA IS MARKED, WIND INDICATOR IS MAINTAINED, & COMPLY WITH 14 CFR SECTION 91.126 (B)(2).
›DUSK-1715
›CIRCULAR HELIPAD.
OFFICIAL LINKS & SOURCES
↗Search NOTAMs (official FAA NOTAM Search)
↗MI20 on OurAirports
FREQUENTLY ASKED
Does MI20 have a METAR?
No on-field METAR is issued for MI20. This page uses the nearest reporting station as a reference.
Does MI20 have a TAF?
No TAF is issued directly for MI20. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at MI20?
MI20 sits at 960 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for MI20?
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.