M-4 Airport
Daylight today(Jul 19, 2026, local time)
About 13h 52m of daylight. Civil twilight (dawn/dusk) approximates the FAA definition of night for logging and currency. Times are computed and approximate — verify with official sources.
About M-4 Airport
M-4 Airport is a small airport in Willis, United States. It sits at an elevation of 230 ft (70 m) and has 2 runways, the longest 969 ft / 295 m. It observes America/Chicago local time. The nearest airport is Conroe-North Houston Regional Airport (CXO), about 3.4 nm to the sse.
Summary generated from this airport’s structured data — reference only.
Map
Runway centrelines, navaids and overlapping airspace. Tiles © OpenStreetMap contributors. Reference only — not for navigation.
Runways (2)
| Runway | Length | Width | Surface | Lighting | Status |
|---|---|---|---|---|---|
| 10 / 28 | 969 ft / 295 m | 50 ft | Turf | Unlit | Open |
| 13 / 31 | 700 ft / 213 m | 50 ft | Turf | Unlit | Open |
Airspace in this area(3)
| Name | Class | Type | Floor | Ceiling |
|---|---|---|---|---|
| HOUSTON CLASS B AREA D | Class B | Controlled | 4000 ft MSL | 10000 ft MSL |
| CONROE CLASS D | Class D | Controlled | GND | 2700 ft MSL |
| CONROE CLASS E2 | Class E | Controlled | GND | 2700 ft MSL |
Approximate bounding-box match from OpenAIP · all United States airspace. Reference only — consult official charts for exact boundaries and status.
Nearby airports
Great-circle distance and true bearing from M-4 Airport.
Frequently asked questions
Where is M-4 Airport located?
M-4 Airport is small airport located in Willis, United States, at an elevation of 230 ft (70 m).
How many runways does M-4 Airport have?
M-4 Airport has 2 runways, the longest being 969 ft / 295 m.
What time zone is M-4 Airport in?
M-4 Airport is in the America/Chicago time zone (UTC-05:00).
What is the magnetic variation at M-4 Airport?
The magnetic variation (declination) at M-4 Airport is approximately 1.8° E, per the World Magnetic Model. Variation changes slowly over time — always use the current value charted for navigation.
What airports are near M-4 Airport?
The nearest airport to M-4 Airport is Conroe-North Houston Regional Airport (CXO), about 3.4 nm to the sse, followed by Outlaw Flyers Airport and Herman Airport.
Is the information on this page suitable for flight planning?
No. M-4 Airport data here is for reference and training only — not for navigation. Always consult official sources and current charts before any flight.