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The Pilots Desk
Small airport

Entz Oliver Airport

ICAO US-0690Local 1OK6🇺🇸 Hydro
Coordinates
35.5221°N, 98.5232°W
Elevation
1,570 ft (479 m)
Type
Small airport
Region
US-OK
Time zone
Chicago(UTC-05:00)
Magnetic variation
3.6° E

Daylight today(Jul 18, 2026, local time)

Civil dawn
06:04
Sunrise
06:33
Sunset
20:49
Civil dusk
21:18

About 14h 16m 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 Entz Oliver Airport

Entz Oliver Airport is a small airport in Hydro, United States. It sits at an elevation of 1,570 ft (479 m) and has 1 runway, the longest 1,100 ft / 335 m. It observes America/Chicago local time. The nearest airport is Entz Home Airport (US-0689), about 1.3 nm to the ssw.

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)

RunwayLengthWidthSurfaceLightingStatus
9 / 271,100 ft / 335 m60 ftTurfUnlitOpen

Tall obstacles nearby

ObstacleHeight AGLTop (MSL)Lit
Obstacle1,644 ft
Obstacle1,624 ft
Obstacle1,650 ft
Obstacle1,844 ft
Obstacle1,847 ft
Obstacle1,827 ft
Obstacle1,814 ft
Obstacle1,594 ft

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

Nearby airports

Great-circle distance and true bearing from Entz Oliver Airport.

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 Entz Oliver Airport located?

Entz Oliver Airport is small airport located in Hydro, United States, at an elevation of 1,570 ft (479 m).

How many runways does Entz Oliver Airport have?

Entz Oliver Airport has 1 runway, the longest being 1,100 ft / 335 m.

What time zone is Entz Oliver Airport in?

Entz Oliver Airport is in the America/Chicago time zone (UTC-05:00).

What is the magnetic variation at Entz Oliver Airport?

The magnetic variation (declination) at Entz Oliver Airport is approximately 3.6° E, per the World Magnetic Model. Variation changes slowly over time — always use the current value charted for navigation.

What airports are near Entz Oliver Airport?

The nearest airport to Entz Oliver Airport is Entz Home Airport (US-0689), about 1.3 nm to the ssw, followed by Lawles Airport and Muncy Airport.

Is the information on this page suitable for flight planning?

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