Paul C Miller / Sparta Airport (8D4), Michigan
Landing essentials
Whether you can land, whether you can refuel, and how customs works here.
Overview
Paul C Miller / Sparta Airport, identified by local code 8D4, is a public-use, non-towered field in Sparta, Michigan, sitting at 775 feet elevation. The airport serves as a general aviation facility with a single paved runway and supports business aviation traffic alongside other general aviation use. Nearest customs clearance is available at Gerald R Ford International Airport, roughly 16 nautical miles to the southeast, since 8D4 itself has no customs facility onsite. The field is attended Monday through Friday during standard business hours, though self-service fuel remains accessible at other times.
Runways
Paul C Miller / Sparta Airport has one paved runway, 07/25, 4,033 ft long and 75 ft wide, with an asphalt surface.
Runway geometry from published threshold coordinates. Not for navigation.
Source: FAA Form 5010.
Fuel and airfield services
Paul C Miller / Sparta Airport has Jet A+, 100LL and MOGAS available on the field. Fueling is available from 8am to 5pm, daily, and the airport has no control tower.
Source: FAA Form 5010 / NASR.
Customs
Paul C Miller / Sparta Airport does not clear customs. The nearest port of entry is Gerald R Ford International (KGRR), 16 NM away.
Source: CBP list of ports of entry.
Business aviation traffic
Paul C Miller / Sparta Airport recorded 345 business aviation movements in 2025. Traffic peaks in June. Business aviation traffic at 8D4 concentrates in the summer months, with June, July, and August together accounting for the highest monthly operation counts of the year.
Business jet movements, FAA TFMSC count. Peak month June, 56 movements in 2025.
Source: FAA TFMSC, business jet movements, 2025.
Climate
Paul C Miller / Sparta Airport averages 6.7 days above 90°F in July, 30.2 freeze days in January and 7.2 snow days in January. July is the warmest month, with average highs of 83.3°F, and January the coldest, at 31.7°F.
Weather station is 5.9 NM from the field. Some values are estimated by the agency. 1991–2020 climate normals.
Source: NOAA NCEI.
Operating constraints
Paul C Miller / Sparta Airport has published operating constraints in four categories: access, runway notes, environmental and other notes.
For clearance delivery, contact Great Lakes Approach; when approach is closed, contact Chicago ARTCC instead.
REIL lighting is activated on runway 07 and runway 25, along with PAPI on both ends and MIRL on runway 07/25, all controlled via CTAF.
Deer and large birds are present on and in the vicinity of the airport.
100LL and Jet A+ fuel are available around the clock on a self-service basis via credit card.
The administration building access code system is set to 5-3-2-1.
Source: FAA Chart Supplement.
Nearby airfields
Paul C Miller / Sparta Airport has five airfields within 25 NM. The closest is Gerald R Ford International (KGRR), 16.32 NM southeast.
Source: Skystar calculation from official coordinates.
Skystar at 8D4
We arrange catering, fuel and trip support here. Supplier prices reach you unchanged; our coordination fee sits on its own line.
The same order, priced two ways.
$1,200.00 catering order at 8D4.
Unchanged.
What the kitchen invoices us is what your quote reads.
One line, fixed.
It does not move with the size of the order.
At cost.
Passed on at the exact amount the processor took.
Market practice figures are industry averages, not a specific competitor.
Frequently asked questions
Is fuel available at 8D4 outside attendance hours?
Paul C Miller / Sparta Airport (8D4) offers 100LL and Jet A+ on a self-service basis around the clock, accessible via credit card. This makes fuel available regardless of the published attendance schedule, which runs Monday through Friday, 0800 to 1700. MOGAS is also listed among the field's fuel types, though it is not confirmed as part of the self-service credit card system.
What runway does 8D4 have and what are its dimensions?
8D4 has a single asphalt runway, 07/25, measuring 4,033 feet long and 75 feet wide. This is also the airport's longest paved surface. Pilots should note that lighting includes REIL and PAPI on both runway ends, plus MIRL, all activated via CTAF since the field is not towered.
How do I get customs clearance near Paul C Miller / Sparta Airport?
Paul C Miller / Sparta Airport does not have customs onsite. The nearest customs facility is at Gerald R Ford International Airport (KGRR), located approximately 16.32 nautical miles away. Aircraft requiring customs clearance should plan to route through that facility rather than expecting service at 8D4 itself.
When is business aviation traffic highest at 8D4?
Business aviation traffic at Paul C Miller / Sparta Airport (8D4) peaks in the summer months, with June recording 56 operations and July and August each recording 48, according to FAA TFMSC data for 2025. This compares to a low of 8 operations in January. Dispatchers planning summer operations should expect noticeably higher activity than in winter months.