Reference only — not for real-world navigation.
SNYW
Antônio Guerreiro Airport · Guimarães
Key Facts
Essential technical summary for MSFS 2020/2024 and X-Plane.
ILS Approach StatusILS DATA NOT IN DATABASE
Field Elevation
245 ft / 75 m
Transition Altitude
7,000 ft
Primary Channel
—
Live Conversion
inHg
hPa
Runway Summary (Quick-Links)
5/23 · 2,625 ft · AsphaltUNLITFlight Planning
Quick Jump to Next Destination
Tip: Search your next airport to quickly compare ILS data.
Welcome to the technical flight briefing for Antônio Guerreiro Airport (SNYW), located in Guimarães, Brazil. 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 245 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 7,000 ft verified for this field for altimeter reset procedures.
Full Name
Antônio Guerreiro Airport
ICAO / IATA
SNYW / GMS
Municipality
Guimarães
Country
Region
BR-MA — Maranhão
GPS Coordinates
Transition Altitude
7,000 ft
Elevation
245 ft
Pilot Toolbox
External charts, live tracking and weather reports.
Runway 5 / 23
UNLIT
Runway Length: 2,625 ft / 800 m
Runway Width: 39 ft / 12 m
Surface Type: Asphalt
Heading: —° / —°
Runway Width: 39 ft / 12 m
Surface Type: Asphalt
Heading: —° / —°
RWY 5
No ILS / Visual Only
RWY 23
No ILS / Visual Only
No frequency data available.
Base Airport Data: OurAirports (Public Domain)
Instrument Approach Data: AIP 2026 Researched · Cycle: Jan 2026