WxDecoder

8D4 METAR Paul C. Miller-Sparta Airport

Sparta, MichiganElevation 775 ftSmall airport
OFF-FIELD REFERENCE
Nearest report: KGRR · 16 NM SE · 37 min old
Ceiling 13,000 ft, visibility 10 SM.
No on-field report, so no field flight category. Conditions at the field may differ.
OFF-FIELD REFERENCE · KGRR
WIND
210@5
steady
VISIBILITY
10 SM
16.1 km
CEILING
13,000 ft
lowest BKN/OVC
FORECAST & PILOT NOTES · SUPPLEMENTAL

Extended forecast and pilot notes

No current METAR is available for this airport, so there is no observed aviation report to summarize. Forecast suggests today partly sunny, high near 69F, low near 47F, 5% chance of precipitation. Key risks: no significant hazards are highlighted right now, but always confirm against an official briefing.

DayConditionsTemp FWindGustsPrecipPilot note
Today Partly Sunny 69/47 SW 7 kt 16 kt 5%
Monday Partly Sunny 63/42 NE 6 kt – 6%
Tuesday Mostly Cloudy 61/46 ESE 8 kt 18 kt 1%
Wednesday Mostly Sunny 71/53 S 10 kt – 23%
Thursday Chance Rain Showers 67/47 WSW 9 kt – 31%
Friday Slight Chance Rain Showers 70/52 SSE 8 kt – 21%
Saturday Chance Rain Showers 69/52 S 8 kt – 53%

Source: National Weather Service (office GRR). Forecast issued 1529Z.

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
1 runway
NESW0725
WIND
No on-field weather data
No reporting weather station on the field, so wind components cannot be computed. See nearby stations below.
RUNWAYS

Runway detail & declared distances

1 runway · longest 4,033 ft

07/25
Dimensions
4,033 x 75 ft
Surface
Asphalt (good)
Edge lights
MED
RWY 0762°T
REILYes
VGSIPAPI (P4L)
Traffic patternLeft
RWY 25242°T
REILYes
VGSIPAPI (P4R)
Traffic patternLeft

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
775 ft MSL

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

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
2244Z 6:44 PM
Sunrise
1209Z 8:09 AM
Loggable night
2313Z (7:13 PM local) → 1140Z (7:40 AM local)
end of evening to start of morning civil twilight
Position lights required
2244Z (6:44 PM local) → 1209Z (8:09 AM local)
sunset to sunrise (91.209)
Night passenger currency
2344Z (7:44 PM local) → 1109Z (7:09 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

Paul C. Miller-Sparta Airport is in Sparta, Michigan. Field elevation 775 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipPublicly owned
UseOpen to the public
TypeSmall airport
ManagerMICHAEL KRZCIOK
Manager phone616-240-4295
AttendedALL MON-FRI, 0800–1700
CHARTS & AIRSPACE
ICAO / IATA8D4
SectionalCHICAGO
Center (ARTCC)CHICAGO
Flight service (AFSS)LANSING
RegionMichigan
CountryUnited States
Coordinates43.1274, -85.6792
Distance from city2 NM SE
SERVICES & LIGHTING
FuelJet A+ · MOGAS
Control towerNon-towered
Field lightingSee remarks
BeaconSunset to sunrise · White-green (lighted land airport)
CTAF122.800
UNICOM122.800
FREQUENCIES

Communications

122.800
CTAF
CTAF
122.800
UNICOM
UNICOM

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

AIRCRAFT ACTIVITY

8D4 traffic patterns

2026-06-15 to 2026-10-23, 44 days observed · data 2026-10-23

Medium confidence
TRAFFIC VOLUME (30-DAY)
AVG LANDINGS/DAY
4.8
AVG OPS/DAY
6.8
Activity trend over 14 days: rising, from 2 to 16 operations per dayOperations trend (14 days)

Busiest day: Thu · Busiest month: Oct

FLEET MIX
Piston single 65%Unknown 28%Turboprop 3%Helicopter 2%Twin 2%

Mostly small piston aircraft.

TOP AIRCRAFT TYPES
›C172 (Piston single) · ~14 landings/mo
›UNKN (Unknown) · ~10 landings/mo
›P28A (Piston single) · ~2 landings/mo
›SR22 (Piston single) · ~2 landings/mo
›CC11 (Unknown) · ~2 landings/mo
LIKELY BASED AIRCRAFT
Low-confidence estimate

Aircraft likely based near this airport (estimate), mostly single-engine piston aircraft.

›C172 (Piston single)
›C82T (Piston single)
›UNKN (Unknown)
›TBM7 (Turboprop)
›SLG4 (Unknown)

This is an estimate based on repeated flight patterns, not registration data. Do not rely on it to identify specific aircraft or owners.

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

8D4 has no on-field report. Nearest reporting station: KGRR (16 NM SE, VFR).

KGRR Gerald R. Ford International Airport
16 NM SE
VFR
KMKG Muskegon County Airport
25 NM W
VFR
KRQB Roben Hood Airport
37 NM N
VFR
KAMN Gratiot Community Airport
45 NM E
VFR
KMOP Mount Pleasant Municipal Airport
51 NM NE
VFR
KLAN Capital Region International Airport
52 NM SE
VFR
AIRPORT REMARKS

Operational remarks

›CELL 616-240-4295.
›DEER & LRG BIRDS ON & INVOF ARPT.
›ACTVT REIL RWY 07 & 25; PAPI RWY 07 & 25; MIRL RWY 07/25 - CTAF.
›ADMIN BLDG ACES: 5-3-2-1.
›100LL & JET A+ AVBL H24 SELF SVC VIA CREDIT CARD.
›RPRS AVBL ON CALL 616-706-4421.
›FOR CD CTC GREAT LAKES APCH AT 269-459-3344, WHEN APCH CLSD CTC CHICAGO ARTCC AT 630-906-8921.
OFFICIAL LINKS & SOURCES
↗Search NOTAMs (official FAA NOTAM Search)
↗Wikipedia
↗8D4 on OurAirports
FREQUENTLY ASKED
Does 8D4 have a METAR?
Yes. 8D4 is a METAR-reporting station; the current observation loads live on this page.
Does 8D4 have a TAF?
When 8D4 issues a TAF, its decoded forecast timeline loads live on this page; otherwise use the nearest TAF-issuing field as a planning reference.
What is the field elevation at 8D4?
8D4 sits at 775 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for 8D4?
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.