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The Pilots Desk
Closed

Knoop Airport

ICAO US-7912🇺🇸 Marble Rock
Coordinates
42.9710°N, 92.9950°W
Elevation
1,086 ft (331 m)
Type
Closed
Region
US-IA

Daylight today(Sep 4, 2026, local time)

Civil dawn
11:12
Sunrise
11:41
Sunset
00:43
Civil dusk
01:12

About 13h 3m 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 Knoop Airport

Knoop Airport is a closed in Marble Rock, United States. It sits at an elevation of 1,086 ft (331 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 (0)

No runway data recorded for this airport.

Tall obstacles nearby

ObstacleHeight AGLTop (MSL)Lit
Obstacle1,066 ft
Obstacle1,086 ft
Obstacle1,099 ft
Obstacle1,079 ft
Obstacle1,138 ft
Obstacle1,115 ft
Obstacle1,152 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 Knoop Airport located?

Knoop Airport is closed located in Marble Rock, United States, at an elevation of 1,086 ft (331 m).

Is the information on this page suitable for flight planning?

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