WxDecoder

9WA8 Weather Mason General Hospital Heliport

Shelton, WashingtonElevation 278 ftHeliport
OFF-FIELD REFERENCE
Nearest report: KSHN · 1 NM W · More than 1 hour old
Ceiling 600 ft, visibility 10 SM.
No on-field report, so no field flight category. Conditions at the field may differ.
OFF-FIELD REFERENCE · KSHN
WIND
050@3
steady
VISIBILITY
10 SM
16.1 km
CEILING
600 ft
lowest BKN/OVC
FORECAST & PILOT NOTES · SUPPLEMENTAL

Extended forecast and pilot notes

No aviation METAR is published for this airport. The nearest National Weather Service station reports wind from 60° at 4 kt, visibility 8 SM, temperature 9C. Treat this as supplemental, not an aviation observation. Forecast suggests this afternoon light rain likely, high near 53F, low near 40F, 73% chance of precipitation. Key risks: thunderstorms in the forecast.

PILOT WEATHER NOTES
Thunderstorms in the forecastWeather.gov
Wednesday: Showers And Thunderstorms. Watch for developing convection and plan alternates.
DayConditionsTemp FWindGustsPrecipPilot note
This Afternoon Light Rain Likely 53/40 ESE 7 kt – 73%
Monday Chance Light Rain then Mostly Cloudy 57/37 ESE 2 kt – 44%
Tuesday Partly Sunny then Light Rain 56/36 WSW 13 kt 18 kt 94%
Wednesday Showers And Thunderstorms 52/32 SSW 9 kt – 92% Thunderstorms in the forecast
Thursday Light Rain 50/31 ESE 3 kt – 83%
Friday Chance Light Rain 53/30 ENE 4 kt – 28%
Saturday Mostly Sunny 56/30 ENE 2 kt – 8%

Source: National Weather Service (office SEW). Forecast issued 1954Z.

Radar

Radar data: NOAA/NWS MRMS composite reflectivity. For situational awareness only, not a substitute for an official weather briefing.

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RUNWAYS & WIND
Crosswind calculator
No runway layout is available for 9WA8. Enter a runway number or heading to estimate wind components.
RUNWAYS

Runway detail & declared distances

1 runway · longest 150 ft

H1
Dimensions
150 x 150 ft
Surface
Concrete (fair)
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
278 ft MSL

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

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
0107Z 6:07 PM
Sunrise
1446Z 7:46 AM
Loggable night
0138Z (6:38 PM local) → 1415Z (7:15 AM local)
end of evening to start of morning civil twilight
Position lights required
0107Z (6:07 PM local) → 1446Z (7:46 AM local)
sunset to sunrise (91.209)
Night passenger currency
0207Z (7:07 PM local) → 1346Z (6:46 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

Mason General Hospital Heliport is in Shelton, Washington. Field elevation 278 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipPrivately owned
UsePrivate use
TypeHeliport
ManagerKEITH GEARY
Manager phone360-427-9571
AttendedUNATNDD
CHARTS & AIRSPACE
ICAO / IATA9WA8
SectionalSEATTLE
Center (ARTCC)SEATTLE
Flight service (AFSS)SEATTLE
RegionWashington
CountryUnited States
Coordinates47.2266, -123.1140
Distance from city0 NM N
SERVICES & LIGHTING
Control towerNon-towered
BeaconSee remarks · White
AIRCRAFT ACTIVITY

9WA8 traffic patterns

2026-06-12 to 2026-10-22, 52 days observed · data 2026-10-23

Medium confidence
TRAFFIC VOLUME (30-DAY)
AVG LANDINGS/DAY
2.6
AVG OPS/DAY
5.3
Activity trend over 12 days: rising, from 8 to 13 operations per dayOperations trend (12 days)

Busiest day: Thu · Busiest month: Sep

FLEET MIX
Piston single 57%Unknown 26%Helicopter 8%Turboprop 7%Twin 4%

Mostly small piston aircraft.

TOP AIRCRAFT TYPES
›C172 (Piston single) · ~7 landings/mo
›CH7A (Unknown) · ~3 landings/mo
›P06T (Unknown) · ~3 landings/mo
›RV12 (Unknown) · ~3 landings/mo
›RV7 (Piston single) · ~3 landings/mo
LIKELY BASED AIRCRAFT
Low-confidence estimate

Aircraft likely based near this airport (estimate), mostly single-engine piston aircraft.

›C172 (Piston single)
›RV12 (Unknown)
›P06T (Unknown)
›H60 (Helicopter)
›M20T (Piston single)

This is an estimate based on repeated flight patterns, not registration data. Do not rely on it to identify specific aircraft or owners.

Data limitations (4)
›ADS-B coverage is incomplete; counts are an observed lower bound, not official totals.
›Some aircraft do not transmit usable ADS-B and are not counted.
›Aircraft types and based estimates are inferred and may be wrong.
›This is not official ATC, FAA, or airport data.
NEARBY AIRPORTS

Weather reference stations

9WA8 has no on-field report. Nearest reporting station: KSHN (1 NM W, IFR).

KSHN Sanderson Field
1 NM W
IFR
KOLM Olympia Regional Airport
18 NM SE
MVFR
KPWT Bremerton National Airport
21 NM NE
MVFR
KTIW Tacoma Narrows Airport
22 NM E
VFR
KGRF Gray Army Air Field
23 NM E
VFR
KTCM McChord Air Force Base
27 NM E
VFR
AIRPORT REMARKS

Operational remarks

›OTH CTC: DOUG DARLING, 30-427-3644; DDARLING@MASONGENERAL.COM
›FOR ROTG BCN CALL 206-426-1611.
›LGTD MKD HOSPITAL 250' S, LGTD TREES 300' SE, LGTD PLINES 325' E & 400' N.
›FOR CD CTC SEATTLE APCH AT 206-214-4794.
›MEDICAL USE.
OFFICIAL LINKS & SOURCES
↗Search NOTAMs (official FAA NOTAM Search)
↗9WA8 on OurAirports
FREQUENTLY ASKED
Does 9WA8 have a METAR?
No on-field METAR is issued for 9WA8. This page uses the nearest reporting station as a reference.
Does 9WA8 have a TAF?
No TAF is issued directly for 9WA8. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at 9WA8?
9WA8 sits at 278 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for 9WA8?
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.