Reference only — not for real-world navigation.
KOCH
A L Mangham Jr. Regional Airport · Nacogdoches
Key Facts
Essential technical summary for MSFS 2020/2024 and X-Plane.
ILS Approach StatusILS FREQUENCIES VERIFIED ✅
Field Elevation
355 ft / 108 m
Transition Altitude
18,000 ft
Primary Channel
UNIC 123.00 MHz (CTAF/UNICOM)
Live Conversion
inHg
hPa
Flight Planning
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Welcome to the technical flight briefing for A L Mangham Jr. Regional Airport (KOCH), located in Nacogdoches, United States. As a vital hub for Microsoft Flight Simulator 2024, MSFS 2020, and X-Plane pilots, this facility features 2 active runways with a maximum elevation of 355 ft. Instrument approaches (IFR) are supported with verified ILS frequencies and identifiers for precision landings.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
A L Mangham Jr. Regional Airport
ICAO / IATA
KOCH / OCH
Municipality
Nacogdoches
Country
Region
US-TX — Texas
GPS Coordinates
Transition Altitude
18,000 ft
Elevation
355 ft
Official Website
Pilot Toolbox
External charts, live tracking and weather reports.
Runway 18 / 36
ILS EQUIPPEDLIGHTED
Runway Length: 5,000 ft / 1,524 m
Runway Width: 75 ft / 23 m
Surface Type: Asphalt
Heading: 184.5° / 4.5°
Runway Width: 75 ft / 23 m
Surface Type: Asphalt
Heading: 184.5° / 4.5°
RWY 18 (184.5°)
No ILS / Visual Only
RWY 36 (4.5°)
111.50 MHz
IDENT: OCH | CRS: 359°
Runway 15 / 33
LIGHTED
Runway Length: 3,610 ft / 1,100 m
Runway Width: 75 ft / 23 m
Surface Type: Asphalt
Heading: 153.9° / 333.9°
Runway Width: 75 ft / 23 m
Surface Type: Asphalt
Heading: 153.9° / 333.9°
RWY 15 (153.9°)
No ILS / Visual Only
RWY 33 (333.9°)
No ILS / Visual Only
AWOS AWOS 3
135.63 MHz
CNTR HOUSTON CNTR APP/DEP
134.80 MHz
UNIC CTAF/UNICOM
123.00 MHz
Base Airport Data: OurAirports (Public Domain)
Instrument Approach Data: FAA NASR · Cycle: Jan 2026