SAWM/ROY METAR Rio Mayo Airport

Rio Mayo, Chubut ProvinceElevation 1,784 ftSmall airport
OFF-FIELD REFERENCE
Nearest report: SCBA · 62 NM W · 0 min old
Ceiling 19,000 ft, visibility 10 SM.
No on-field report, so no field flight category. Conditions at the field may differ.
OFF-FIELD REFERENCE · SCBA
WIND
210@2
steady
VISIBILITY
10 SM
16.1 km
CEILING
19,000 ft
lowest BKN/OVC

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RUNWAYS & WIND
1 runway
NESW1028
WIND
No on-field weather data
No reporting weather station on the field, so wind components cannot be computed. See nearby stations below.
RUNWAYS

Runway detail & declared distances

2 runways · longest 4,921 ft

10/28
Dimensions
3,501 x 75 ft
Surface
Asphalt (good)
Edge lights
MED
RWY 1097°T
VGSIPAPI (P4L)
Traffic patternLeft
RWY 28277°T
VGSIPAPI (P4R)
Traffic patternLeft
H1
Dimensions
100 x 100 ft
Surface
Concrete (good)
Edge lights
NSTD
RWY H1

Runway data from the FAA NASR dataset (effective 2026-06-11). Verify with the current Chart Supplement and NOTAMs.

FIELD CONDITIONS

Field elevation

Field elevation
1,784 ft MSL

Density and pressure altitude need a current temperature and altimeter from the METAR.

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
2321Z 8:21 PM
Sunrise
0927Z 6:27 AM
Loggable night
2353Z (8:53 PM local) → 0856Z (5:56 AM local)
end of evening to start of morning civil twilight
Position lights required
2321Z (8:21 PM local) → 0927Z (6:27 AM local)
sunset to sunrise (91.209)
Night passenger currency
0021Z (9:21 PM local) → 0827Z (5:27 AM local)
1 hr after sunset to 1 hr before sunrise (61.57(b))

FAA definitions, shown in Zulu with airport-local time. Verify for your operation.

AIRPORT INFORMATION

Facility & services

Rio Mayo Airport is in Rio Mayo, Chubut Province. Field elevation 1,784 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipPublicly owned
UseOpen to the public
TypeSmall airport
ManagerCRAIG GRISWOLD
Manager phone269-330-2908
AttendedDaily, 0800–DUSK
CHARTS & AIRSPACE
ICAO / IATASAWM / ROY
SectionalDETROIT
Center (ARTCC)CLEVELAND
Flight service (AFSS)LANSING
RegionChubut Province
CountryArgentina
Coordinates-45.7039, -70.2456
Distance from city1 NM S
SERVICES & LIGHTING
Fuel100LL · UL94
Control towerNon-towered
Field lightingSee remarks
BeaconSunset to sunrise · White-green (lighted land airport)
Traffic pattern alt1,000 ft MSL
CTAF122.800
UNICOM122.800
FREQUENCIES

Communications

122.800
CTAF
CTAF
122.800
UNICOM
UNICOM

Not all tower/ground/approach frequencies are in our datasets. Verify with the FAA Chart Supplement.

AIRCRAFT ACTIVITY

Traffic patterns

Aircraft activity data is not available for this airport yet.

NEARBY AIRPORTS

Weather reference stations

SAWM has no on-field report. Nearest reporting station: SCBA (62 NM W, VFR).

AIRPORT REMARKS

Operational remarks

›FOR CD CTC GREAT LAKES APCH AT 269-459-3344, WHEN APCH CLSD CTC CHICAGO ARTCC AT 630-906-8921.
›GLIDER & ULTRALIGHT ACTVTY ON & INVOF ARPT, SUMMER MOS.
›ULTRALIGHT ACFT FLY LEFT HAND PATTERN 500 FT AGL, S OF RY 10/28.
›EXC MAJOR HOLS.
›NSTD PERIMETER LGTS DUE TO COLOR.
›ALSO +15 FT ROAD, 520 FT DIST, 0 FT B, APCH RATIO 21:1.
›24 FT WINDSOCK ON POLE, 195 FT NE.
›ACTVT PAPI RWY 10 & 28; MIRL RWY 10/28; NSTD PERIMETER LGTS HELIPAD H1 - CTAF.
›150 FT LGTD WATER TWR 3000 FT S OF HELIPAD.
›DEER & LRG BIRDS ON & INVOF ARPT.
›ADMIN BLDG ACES, PRESS 5-3-2-1.
›FOR SNOW REMOVAL HELIPAD H1 CALL AMGR.
FREQUENTLY ASKED
Does SAWM have a METAR?
Yes. SAWM is a METAR-reporting station; the current observation loads live on this page.
Does SAWM have a TAF?
When SAWM issues a TAF, its decoded forecast timeline loads live on this page; otherwise use the nearest TAF-issuing field as a planning reference.
What is the field elevation at SAWM?
SAWM sits at 1,784 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for SAWM?
No. wxdecoder.com is for education and situational awareness only. It is not an official weather briefing or a substitute for official sources, NOTAM review, and pilot judgment.
This app is for aviation weather education, training, and situational awareness only. It is not a substitute for an official weather briefing, approved flight-planning software, flight service, dispatch procedures, current FAA regulations, or pilot judgment. Always verify weather with official sources before flight.