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WN84 Lower Monumental Dam Heliport
Kahlotus, Washington, USA

GOING TO KAHLOTUS?

FAA INFORMATION EFFECTIVE 12 JUNE 2025

Location

FAA Identifier: WN84
Lat/Long: 46-33-42.9400N 118-32-45.4200W
46-33.715667N 118-32.757000W
46.5619278,-118.5459500
(estimated)
Elevation: 465 ft. / 142 m (estimated)
Variation: 19E (1985)
Time zone: UTC -7 (UTC -8 during Standard Time)
Zip code: 99371

Heliport Operations

Heliport use: Private use. Permission required prior to landing
Activation date: 09/1987
Control tower: no
ARTCC: SEATTLE CENTER
FSS: SEATTLE FLIGHT SERVICE STATION
Attendance: UNATNDD
Wind indicator: yes
Segmented circle: yes

Nearby radio navigation aids

VOR radial/distance  VOR name  Freq  Var
PSCr038/29.4PASCO VOR/DME113.7515E
ALWr326/30.4WALLA WALLA VOR/DME116.4014E

Heliport Services

Runway Information

Helipad H1

Dimensions: 200 x 200 ft. / 61 x 61 m
Surface: asphalt
Latitude: 46-33.715667N
Longitude: 118-32.757000W
Elevation: 465.0 ft.
Traffic pattern: leftleft

Heliport Ownership and Management from official FAA records

Ownership: Publicly-owned
Owner: U.S. ARMY CORPS OF ENGINEERS
RR 6, BOX 693
PASCO, WA 99301
Phone 509-282-3218
Manager: ROBERT WITHAM
LOWER MONUMENTAL LOCK AND DAM, 5520 DEVILS CANYON ROAD
KAHLOTUS, WA 99335
Phone 509-282-3219

Additional Remarks

- FOR CD CTC CHINOOK APCH AT 509-542-4209, WHEN APCH CLSD CTC SEATTLE ARTCC AT 253-351-3694.

Instrument Procedures

There are no published instrument procedures at WN84.

Some nearby airports with instrument procedures:

KPSC - Tri-Cities Airport (30 nm SW)
KALW - Walla Walla Regional Airport (30 nm S)
KRLD - Richland Airport (35 nm SW)
KMWH - Grant County International Airport (50 nm NW)
KHRI - Hermiston Municipal Airport (53 nm SW)
  
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Area around WN84 (Lower Monumental Dam Heliport)
 
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Aerial photo
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Sectional chart

 
Airport distance calculator
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From to WN84

Sunrise and sunset
Times for 21-Jun-2025
 Local
(UTC-7)		 Zulu
(UTC)
Morning civil twilight04:2311:23
Sunrise05:0212:02
Sunset20:5003:50
Evening civil twilight21:2904:29

Current date and time
Zulu (UTC)  22-Jun-2025 06:31:41
Local (UTC-7)  21-Jun-2025 23:31:41
 
METAR
KPSC 
30nm SW 		220553Z AUTO 23005KT 10SM OVC070 16/08 A2998 RMK AO2 SLP150 T01610078 10200 20161 51008
KALW 
30nm S 		220553Z AUTO 19006KT 10SM SCT049 OVC065 14/06 A3001 RMK AO2 SLP161 T01440056 10178 20144 53009
KRLD 
35nm SW 		220615Z AUTO 27003KT 10SM OVC080 16/09 A2998 RMK AO2 T01600086
KMWH 
50nm NW 		220552Z AUTO 04004KT 10SM SCT100 14/08 A2997 RMK AO2 SLP148 T01390083 10200 20139 50011
TAF
KPSC 
30nm SW 		220537Z 2206/2306 24006KT P6SM BKN060 FM221200 VRB03KT P6SM BKN070 FM230000 17006KT P6SM BKN100 FM230200 22006KT P6SM BKN250
KALW 
30nm S 		220537Z 2206/2306 17008KT P6SM OVC060 FM221400 19007KT P6SM -SHRA OVC040 FM221800 20005KT P6SM OVC060 FM230000 18005KT P6SM BKN100 FM230200 17005KT P6SM BKN250
NOTAMs
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