Reference only — not for real-world navigation.
GB-1155
Herridge Gallops / Collingbourne Ducis Airfield · Marlborough, Wiltshire
Key Facts
Essential technical summary for MSFS 2020/2024 and X-Plane.
ILS Approach StatusILS DATA NOT IN DATABASE
Field Elevation
574 ft / 175 m
Transition Altitude
6,000 ft
Primary Channel
—
Live Conversion
inHg
hPa
Runway Summary (Quick-Links)
Flight Planning
Quick Jump to Next Destination
Tip: Search your next airport to quickly compare ILS data.
Welcome to the technical flight briefing for Herridge Gallops / Collingbourne Ducis Airfield (GB-1155), located in Marlborough, Wiltshire, United Kingdom. As a vital hub for Microsoft Flight Simulator 2024, MSFS 2020, and X-Plane pilots, this facility features 0 active runways with a maximum elevation of 574 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 6,000 ft verified for this field for altimeter reset procedures.
Full Name
Herridge Gallops / Collingbourne Ducis Airfield
ICAO / IATA
GB-1155 / —
Municipality
Marlborough, Wiltshire
Country
Region
GB-ENG — England
GPS Coordinates
Transition Altitude
6,000 ft
Elevation
574 ft
Pilot Toolbox
External charts, live tracking and weather reports.
No frequency data available.
Base Airport Data: OurAirports (Public Domain)
Instrument Approach Data: AIP 2026 Researched · Cycle: Jan 2026