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The Pilots Desk
Closed

Bollweg Farm Airport

ICAO US-9911🇺🇸 Harrold
Coordinates
44.5633°N, 99.7251°W
Elevation
1,746 ft (532 m)
Type
Closed
Region
US-SD

Daylight today(Oct 19, 2026, local time)

Civil dawn
12:29
Sunrise
12:58
Sunset
23:51
Civil dusk
00:20

About 10h 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 Bollweg Farm Airport

Bollweg Farm Airport is a closed in Harrold, United States. It sits at an elevation of 1,746 ft (532 m) and has 1 runway, the longest 3,000 ft / 914 m.

Summary generated from this airport’s structured data — reference only.

Live traffic nearby

Aircraft currently within ~40 nm, from live ADS-B. Positions are approximately real-time — not for navigation.

Loading live traffic…

Live ADS-B by adsb.lol & the OpenSky Network. Not for navigation.

Map

Runway centrelines, navaids and overlapping airspace. Tiles © OpenStreetMap contributors. Reference only — not for navigation.

Runways (1)

RunwayLengthWidthSurfaceLightingStatus
09 / 273,000 ft / 914 m100 ftGrvlUnlitOpen

Tall obstacles nearby

ObstacleHeight AGLTop (MSL)Lit
Obstacle—1,965 ft—
Obstacle—1,942 ft—
Obstacle—1,959 ft—
Obstacle—1,969 ft—
Obstacle—1,952 ft—
Obstacle—1,936 ft—
Obstacle—1,942 ft—
Obstacle—1,962 ft—

Tallest obstacles within ~10 nm. Data via OpenAIP. Reference only — consult official charts.

Live tracking (FR24) Open in Maps
🇺🇸 More airports in United States📘 Flying in the United States: a pilot's guide

Frequently asked questions

Where is Bollweg Farm Airport located?

Bollweg Farm Airport is closed located in Harrold, United States, at an elevation of 1,746 ft (532 m).

How many runways does Bollweg Farm Airport have?

Bollweg Farm Airport has 1 runway, the longest being 3,000 ft / 914 m.

Is the information on this page suitable for flight planning?

No. Bollweg Farm Airport data here is for reference and training only — not for navigation. Always consult official sources and current charts before any flight.