WxDecoder

9WA0 Weather Boeing Plant 2 Heliport

Seattle, WashingtonElevation 17 ftHeliport
OFF-FIELD REFERENCE
Nearest report: KBFI · 1 NM SE · 39 min old
Ceiling 6,500 ft, visibility 9 SM, rain.
No on-field report, so no field flight category. Conditions at the field may differ.
OFF-FIELD REFERENCE · KBFI
WIND
VRB@3
steady
VISIBILITY
9 SM
14.5 km
CEILING
6,500 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 calm, visibility 8 SM, temperature 9C. Treat this as supplemental, not an aviation observation. Forecast suggests sunday light rain, high near 55F, low near 44F, 84% 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 Light Rain 55/44 E 4 kt – 84%
Monday Slight Chance Light Rain 57/45 N 2 kt – 27%
Tuesday Slight Chance Light Rain 57/43 SSW 9 kt – 79%
Wednesday Showers And Thunderstorms 54/42 S 9 kt – 92% Thunderstorms in the forecast
Thursday Light Rain Likely 53/40 SSE 3 kt – 70%
Friday Slight Chance Light Rain 53/39 ENE 3 kt – 19%
Saturday Partly Sunny 54 S 3 kt – 9%

Source: National Weather Service (office SEW). Forecast issued 1232Z.

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 9WA0. Enter a runway number or heading to estimate wind components.
RUNWAYS

Runway detail & declared distances

1 runway · longest 60 ft

H1
Dimensions
60 x 60 ft
Surface
Asphalt (fair)
RWY H1
Traffic patternLeft

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
17 ft MSL

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

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
0105Z 6:05 PM
Sunrise
1442Z 7:42 AM
Loggable night
0136Z (6:36 PM local) → 1410Z (7:10 AM local)
end of evening to start of morning civil twilight
Position lights required
0105Z (6:05 PM local) → 1442Z (7:42 AM local)
sunset to sunrise (91.209)
Night passenger currency
0205Z (7:05 PM local) → 1342Z (6:42 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

Boeing Plant 2 Heliport is in Seattle, Washington. Field elevation 17 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipPrivately owned
UsePrivate use
TypeHeliport
ManagerDON WALKER
Manager phone206-393-3884
AttendedUNATNDD
CHARTS & AIRSPACE
ICAO / IATA9WA0
SectionalSEATTLE
Center (ARTCC)SEATTLE
Flight service (AFSS)SEATTLE
RegionWashington
CountryUnited States
Coordinates47.5367, -122.3134
Distance from city6 NM S
SERVICES & LIGHTING
Control towerNon-towered
BeaconSee remarks · White
AIRCRAFT ACTIVITY

9WA0 traffic patterns

2026-06-13 to 2026-10-23, 50 days observed · data 2026-10-23

Medium confidence
TRAFFIC VOLUME (30-DAY)
AVG LANDINGS/DAY
1.9
AVG OPS/DAY
2.7
Activity trend over 13 days: falling, from 5 to 1 operations per dayOperations trend (13 days)

Busiest day: Fri · Busiest month: Jul

FLEET MIX
Piston single 33%Unknown 23%Jet 22%Airliner 15%Turboprop 6%Helicopter 2%

Mostly small piston aircraft.

TOP AIRCRAFT TYPES
›UNKN (Unknown) · ~9 landings/mo
›C172 (Piston single) · ~8 landings/mo
›C152 (Piston single) · ~3 landings/mo
›S22T (Unknown) · ~3 landings/mo
›B752 (Airliner) · ~2 landings/mo
LIKELY BASED AIRCRAFT
Low-confidence estimate

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

›C172 (Piston single)
›UNKN (Unknown)
›C152 (Piston single)
›B752 (Airliner)

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

9WA0 has no on-field report. Nearest reporting station: KBFI (1 NM SE, VFR).

KBFI King County International Airport - Boeing Field
1 NM SE
VFR
KRNT Renton Municipal Airport
5 NM SE
VFR
KSEA Seattle–Tacoma International Airport
5 NM S
VFR
KPWT Bremerton National Airport
19 NM W
VFR
KTIW Tacoma Narrows Airport
19 NM SW
VFR
KPAE Seattle Paine Field International Airport
22 NM N
VFR
AIRPORT REMARKS

Operational remarks

›BY DISPATCH ONLY.
›80' LGTD/MKD BLDG W.
›FOR CD CTC SEATTLE APCH AT 206-214-4794.
OFFICIAL LINKS & SOURCES
↗Search NOTAMs (official FAA NOTAM Search)
↗9WA0 on OurAirports
FREQUENTLY ASKED
Does 9WA0 have a METAR?
No on-field METAR is issued for 9WA0. This page uses the nearest reporting station as a reference.
Does 9WA0 have a TAF?
No TAF is issued directly for 9WA0. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at 9WA0?
9WA0 sits at 17 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for 9WA0?
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.