Reference only — not for real-world navigation.
US-0690
Entz Oliver Airport · Hydro
Key Facts
Essential technical summary for MSFS 2020/2024 and X-Plane.
ILS Approach StatusILS DATA NOT IN DATABASE
Field Elevation
1,570 ft / 479 m
Transition Altitude
18,000 ft
Primary Channel
—
Live Conversion
inHg
hPa
Runway Summary (Quick-Links)
9/27 · 1,100 ft · TurfUNLITFlight Planning
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Welcome to the technical flight briefing for Entz Oliver Airport (US-0690), located in Hydro, United States. As a vital hub for Microsoft Flight Simulator 2024, MSFS 2020, and X-Plane pilots, this facility features 1 active runway with a maximum elevation of 1,570 ft. Please note that this field primarily supports VFR and visual approach procedures.Reference the data below for primary communication channels and detailed runway characteristics. Pilots should observe a Transition Altitude of 18,000 ft verified for this field for altimeter reset procedures.
Full Name
Entz Oliver Airport
ICAO / IATA
US-0690 / —
Municipality
Hydro
Country
Region
US-OK — Oklahoma
GPS Coordinates
Transition Altitude
18,000 ft
Elevation
1,570 ft
Pilot Toolbox
External charts, live tracking and weather reports.
Runway 9 / 27
UNLIT
Runway Length: 1,100 ft / 335 m
Runway Width: 60 ft / 18 m
Surface Type: Turf
Heading: —° / —°
Runway Width: 60 ft / 18 m
Surface Type: Turf
Heading: —° / —°
RWY 9
No ILS / Visual Only
RWY 27
No ILS / Visual Only
No frequency data available.
Base Airport Data: OurAirports (Public Domain)
Instrument Approach Data: AIP 2026 Researched · Cycle: Jan 2026