Reference only — not for real-world navigation.
18TE
Alert Field · Big Sandy
Key Facts
Essential technical summary for MSFS 2020/2024 and X-Plane.
ILS Approach StatusILS DATA NOT IN DATABASE
Field Elevation
390 ft / 119 m
Transition Altitude
18,000 ft
Primary Channel
UNIC 122.80 MHz (UNICOM)
Live Conversion
inHg
hPa
Runway Summary (Quick-Links)
08/26 · 5,093 ft · ASPH-GLIGHTEDFlight Planning
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Welcome to the technical flight briefing for Alert Field (18TE), located in Big Sandy, 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 390 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
Alert Field
ICAO / IATA
18TE / —
Municipality
Big Sandy
Country
Region
US-TX — Texas
GPS Coordinates
Transition Altitude
18,000 ft
Elevation
390 ft
Pilot Toolbox
External charts, live tracking and weather reports.
Runway 08 / 26
LIGHTED
Runway Length: 5,093 ft / 1,552 m
Runway Width: 40 ft / 12 m
Surface Type: ASPH-G
Heading: 91° / 271°
Runway Width: 40 ft / 12 m
Surface Type: ASPH-G
Heading: 91° / 271°
RWY 08 (91°)
No ILS / Visual Only
RWY 26 (271°)
No ILS / Visual Only
UNIC UNICOM
122.80 MHz
Base Airport Data: OurAirports (Public Domain)
Instrument Approach Data: AIP 2026 Researched · Cycle: Jan 2026