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LOST RIVER - Airport Diagram
LiveATC.net: Live Air Traffic - From Their Headsets to You

W12
Local W12
LOST RIVER
PublicPUB

5 miles NW of MAZAMA, WA, US
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LiveATC.net: Live Air Traffic - From Their Headsets to You
Status
Operational
Coordinates
48° 38' 59"N 120° 30' 07"W
Elevation
2415' MSL
Pattern Alt
3415' MSL
Mag Variation
15°E
Declination
21°E
Fuel
None Listed
FSS
SEATTLE (SEA)
Sectional
SEATTLE
ARTCC
SEATTLE (ZSE)
Data Effective
6/11/26-7/9/26
KS52 (19nm) VFR
5:55 PM PDT  
No Clouds
10sm
78°F
25°F
29.67"Hg
170° 9kts
Gusts 19kts
AO2 T02561040
METAR KS52 260055Z AUTO 17009G19KT 10SM 26/M04 A2967 RMK AO2 T02561040
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W12 FBOs

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Common

CTAF 122.9

FAA A/FD Pages

Terminal Area Forecast

CYYF (60nm)
Thu, 6/25 5:40 PM PDT
Thu, 6/25 6:00 PM PDT - Fri, 6/26 6:00 AM PDT
VFR
6:00 PM PDT - 8:00 PM PDT
Broken 15,000'
Scattered 10,000'
6sm
180° 12kts
VFR
8:00 PM PDT - 2:00 AM PDT
Broken 20,000'
Broken 10,000'
6sm
330° 10kts
VFR
2:00 AM PDT - 3:00 AM PDT
Broken 10,000'
Scattered 6,000'
6sm
350° 8kts
VFR
Becoming 3:00 AM PDT - 6:00 AM PDT
Broken 10,000'
Scattered 6,000'
6sm
180° 8kts
TAF CYYF 260040Z 2601/2613 18012KT P6SM SCT100 BKN150
   FM260300 33010KT P6SM BKN100 BKN200
   FM260900 35008KT P6SM SCT060 BKN100
   BECMG 2610/2612 18008KT RMK NXT FCST BY 260700Z
W12
No NOTAM Available
No
UNATNDD
LOST RIVER ARPT ASSOC
16 MERCER ROAD
MAZAMA, WA 98833
Phone: (206) 321-2447
PATRICIA HEGLUND
2 MERCER ROAD
MAZAMA, WA 98833
Phone: 608-317-7850
SEATTLE FSS (SEA)
Toll Free: 1-800-WX-BRIEF
SEA
--
--
N/A
Yes
No
No
None
NOT a Landing Rights Airport
NOT an Airport of Entry
None
None
None
None
None

Runway 11/29

3150 ft. x 85 ft.
TURF GRVL  
Fair 
NONE 
 
 
-- 
-- 
-- 
-- 
  Runway 11 Runway 29
True Heading Not ListedNot Listed
Traffic Pattern Right
Markings NONE
Markings Condition
Latitude N/A N/A
Longitude N/A N/A
Elevation -- --
Threshold Crossing Height -- --
Visual Glide Path Angle -- --
Visual Slope Indicator -- --
Approach Lights
Centerline Lights
Runway End Identifier Lights
A110-1ARPT CLSD 1 NOV THRU 1 APR.
A110-2WATCH FOR VEHICLES AND PEDESTRIANS ON RWY.
A110-3ACCESS ROADS BOTH SIDE OF RWY IN PRIM SFC, VEHICLES CROSS RWY AT VARIOUS LOCATIONS, PRIMARILY AT RWY ENDS.
A110-4FOR CD CTC SEATTLE ARTCC AT 253-351-3694.
A42-11_MARKMARKED (PAINTED) ON CONCRETE PAD.
A57-1111/29 +60 FT TREES IN PRIMARY SFC BOTH SIDES RY.
E111FILED FOR RECORD KEEPING PURPOSES ONLY.
LOST RIVER (IATA: W12) is a public airport located in MAZAMA, WA, US.