WxDecoder

US-7842 Weather Gateway Helipad

Union, WashingtonElevation 9 ftHeliport
OFF-FIELD REFERENCE
Nearest report: KSHN · 8 NM SW · 32 min old
Ceiling 4,000 ft, visibility 4 SM, mist.
No on-field report, so no field flight category. Conditions at the field may differ.
OFF-FIELD REFERENCE · KSHN
WIND
060@6
steady
VISIBILITY
4 SM
6.4 km
CEILING
4,000 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 40° at 4 kt, visibility 5 SM, temperature 8C. Treat this as supplemental, not an aviation observation. Forecast suggests sunday rain, high near 52F, low near 42F, 98% 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
Sunday Rain 52/42 ENE 6 kt – 98%
Monday Chance Light Rain then Mostly Cloudy 57/40 E 3 kt – 38%
Tuesday Partly Sunny then Slight Chance Light Rain 56/39 SW 13 kt – 74%
Wednesday Showers And Thunderstorms 51/34 SSW 9 kt – 85% Thunderstorms in the forecast
Thursday Light Rain 48/33 SE 3 kt – 81%
Friday Slight Chance Light Rain 51/32 ENE 3 kt – 22%
Saturday Partly Sunny then Slight Chance Light Rain 52 SSE 3 kt – 16%

Source: National Weather Service (office SEW). Forecast issued 1052Z.

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 US-7842. Enter a runway number or heading to estimate wind components.
RUNWAYS

Runway detail & declared distances

1 runway · longest 55 ft

H1
Dimensions
55 x 55 ft
Surface
Wood (good)
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
9 ft MSL

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

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
0108Z 6:08 PM
Sunrise
1445Z 7:45 AM
Loggable night
0139Z (6:39 PM local) → 1413Z (7:13 AM local)
end of evening to start of morning civil twilight
Position lights required
0108Z (6:08 PM local) → 1445Z (7:45 AM local)
sunset to sunrise (91.209)
Night passenger currency
0208Z (7:08 PM local) → 1345Z (6:45 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

Gateway Helipad is in Union, Washington. Field elevation 9 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipPrivately owned
UsePrivate use
TypeHeliport
ManagerMENTE LLC
Manager phone206-658-8500
CHARTS & AIRSPACE
ICAO / IATAUS-7842
SectionalSEATTLE
Center (ARTCC)SEATTLE
Flight service (AFSS)SEATTLE
RegionWashington
CountryUnited States
Coordinates47.3486, -123.0701
Distance from city1 NM ESE
SERVICES & LIGHTING
Control towerNon-towered
AIRCRAFT ACTIVITY

US-7842 traffic patterns

2026-06-14 to 2026-09-21, 8 days observed · data 2026-10-23

Insufficient confidence
TRAFFIC VOLUME (30-DAY)
AVG LANDINGS/DAY
0
AVG OPS/DAY
1
Operations trend (1 days)

Busiest day: Wed · Busiest month: Jun

FLEET MIX
Unknown 75%Helicopter 25%

Fleet composition unclear from available data.

TOP AIRCRAFT TYPES
›B105 (Helicopter) · ~1 landings/mo
›DH3T (Unknown) · ~1 landings/mo
›DHC2 (Unknown) · ~1 landings/mo
›M7 (Unknown) · ~1 landings/mo
›B505 (Helicopter) · ~0 landings/mo
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

US-7842 has no on-field report. Nearest reporting station: KSHN (8 NM SW, MVFR).

KSHN Sanderson Field
8 NM SW
MVFR
KPWT Bremerton National Airport
15 NM NE
VFR
KTIW Tacoma Narrows Airport
21 NM E
VFR
KOLM Olympia Regional Airport
24 NM S
MVFR
KGRF Gray Army Air Field
26 NM SE
VFR
KTCM McChord Air Force Base
27 NM SE
VFR
AIRPORT REMARKS

Operational remarks

›WENDYL@MENTE-LLC.COM
OFFICIAL LINKS & SOURCES
↗Search NOTAMs (official FAA NOTAM Search)
↗US-7842 on OurAirports
FREQUENTLY ASKED
Does US-7842 have a METAR?
No on-field METAR is issued for US-7842. This page uses the nearest reporting station as a reference.
Does US-7842 have a TAF?
No TAF is issued directly for US-7842. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at US-7842?
US-7842 sits at 9 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for US-7842?
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.