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WN84
LOWER MONUMENTAL DAM
PrivatePVT

0 miles N of KAHLOTUS, WA
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LiveATC.net: Live Air Traffic - From Their Headsets to You
Operational
46° 33' 43"N 118° 32' 45"W
465' MSL
1465' MSL
19E
None Listed
SEATTLE (SEA)
SEATTLE
SEATTLE (ZSE)
11/27/25-12/25/25
KPSC (30nm) VFR
8:53 PM PST  
Clear
10sm
57°F
47°F
29.29"Hg
210° 33kts
Gusts 49kts
AO2 PK WND 22049/0453 SLP920 T01390083
METAR KPSC 190453Z 21033G49KT 10SM CLR 14/08 A2929 RMK AO2 PK WND 22049/0453 SLP920 T01390083
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FAA A/FD Pages

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Airport Diagrams

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Airport Minimums

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Departure Procedures

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Instrument Approach

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Terminal Area Forecast

KPSC (30nm)
Thu, 12/18 3:28 PM PST
Thu, 12/18 4:00 PM PST - Fri, 12/19 4:00 PM PST
VFR
4:00 PM PST - 7:00 PM PST
Light Rain
Overcast 10,000'
6sm
180° 5kts
VFR
7:00 PM PST - 10:00 PM PST
Light Rain
Overcast 9,000'
6sm
210° 15kts
Gusts 25kts
VFR
10:00 PM PST - 3:00 AM PST
Light Rain
Overcast 7,000'
6sm
230° 22kts
Gusts 35kts
VFR
3:00 AM PST - 9:00 AM PST
Broken 8,000'
6sm
240° 16kts
Gusts 27kts
VFR
9:00 AM PST - 4:00 PM PST
Broken 12,000'
6sm
240° 12kts
TAF KPSC 182328Z 1900/1924 18005KT P6SM -RA OVC100
   FM190300 21015G25KT P6SM -RA OVC090 WS020/23050KT
   FM190600 23022G35KT P6SM -RA OVC070 WS020/23050KT
   FM191100 24016G27KT P6SM BKN080
   FM191700 24012KT P6SM BKN120
WN84
No NOTAM Available
No
UNATNDD
U.S. ARMY CORPS OF ENGINEERS
RR 6, BOX 693
PASCO, WA 99301
Phone: 509-282-3218
ROBERT WITHAM
LOWER MONUMENTAL LOCK AND DAM, 5520 DEVILS CANYON ROAD
KAHLOTUS, WA 99335
Phone: 509-282-3219
SEATTLE FSS (SEA)
Toll Free: 1-800-WX-BRIEF
N/A
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Yes
Yes
No
None
No
None
None
None
None
None

Runway H1

200 ft. x 200 ft.
 
ASPH 
NONE 
 
 
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  Runway H1 Runway
True Heading 68°248°
Traffic Pattern
Markings
Markings Condition
Latitude 46° 33' 43"N N/A
Longitude 118° 32' 45"W N/A
Elevation 465' --
Threshold Crossing Height -- --
Visual Glide Path Angle -- --
Visual Slope Indicator -- --
Approach Lights
Centerline Lights
Runway End Identifier Lights
A110-1FOR CD CTC CHINOOK APCH AT 509-542-4209, WHEN APCH CLSD CTC SEATTLE ARTCC AT 253-351-3694.
LOWER MONUMENTAL DAM (IATA: WN84) is a private heliport located in KAHLOTUS, WA.