J-3 Cub Field
Daylight today(Jul 20, 2026, local time)
About 14h 55m 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 J-3 Cub Field
J-3 Cub Field is a small airport in Watertown, United States. It sits at an elevation of 860 ft (262 m) and has 1 runway, the longest 1,150 ft / 351 m. It observes America/Chicago local time. The nearest airport is Sullivan Airport (31WI), about 5 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 (1)
| Runway | Length | Width | Surface | Lighting | Status |
|---|---|---|---|---|---|
| N / S | 1,150 ft / 351 m | 200 ft | Turf | Unlit | Open |
Tall obstacles nearby
| Obstacle | Height AGL | Top (MSL) | Lit |
|---|---|---|---|
| Obstacle | — | 801 ft | — |
| Obstacle | — | 827 ft | — |
| Obstacle | — | 837 ft | — |
Tallest obstacles within ~10 nm. Data via OpenAIP. Reference only — consult official charts.
Nearby airports
Great-circle distance and true bearing from J-3 Cub Field.
Frequently asked questions
Where is J-3 Cub Field located?
J-3 Cub Field is small airport located in Watertown, United States, at an elevation of 860 ft (262 m).
How many runways does J-3 Cub Field have?
J-3 Cub Field has 1 runway, the longest being 1,150 ft / 351 m.
What time zone is J-3 Cub Field in?
J-3 Cub Field is in the America/Chicago time zone (UTC-05:00).
What is the magnetic variation at J-3 Cub Field?
The magnetic variation (declination) at J-3 Cub Field is approximately 3.5° W, per the World Magnetic Model. Variation changes slowly over time — always use the current value charted for navigation.
What airports are near J-3 Cub Field?
The nearest airport to J-3 Cub Field is Sullivan Airport (31WI), about 5 nm to the sse, followed by Watertown Municipal Airport and Al's Airway Airport.
Is the information on this page suitable for flight planning?
No. J-3 Cub Field data here is for reference and training only — not for navigation. Always consult official sources and current charts before any flight.