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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
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
2/19/26-3/19/26
KS52 (19nm) VFR
7:55 PM PST  
Overcast 9,500'
10sm
37°F
33°F
29.94"Hg
Calm
AO2 T00300006
METAR KS52 040355Z AUTO 00000KT 10SM OVC095 03/01 A2994 RMK AO2 T00300006

W12 FBOs

No FBOs (Fixed Base Operators) are listed for this airport.
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Common

CTAF 122.9

FAA A/FD Pages

Terminal Area Forecast

CYYF (60nm)
Tue, 3/3 4:40 PM PST
Tue, 3/3 5:00 PM PST - Wed, 3/4 5:00 AM PST
VFR
Becoming 5:00 PM PST - 10:00 PM PST
Broken 8,000'
Scattered 5,000'
6sm
170° 8kts
MVFR
Temporary 5:00 PM PST - 10:00 PM PST
Light Showers and Rain and Mist
Broken 4,000'
5sm
Calm
VFR
5:00 PM PST - 5:00 AM PST
Broken 8,000'
Scattered 5,000'
6sm
170° 12kts
MVFR
Temporary 10:00 PM PST - 5:00 AM PST
Mist
Broken 2,000'
3sm
Calm
VFR
10:00 PM PST - 5:00 AM PST
Scattered 8,000'
Scattered 2,500'
6sm
170° 8kts
TAF CYYF 040040Z 0401/0413 17012KT P6SM SCT050 BKN080
   TEMPO 0401/0406 5SM -SHRA BR BKN040
   BECMG 0401/0403 17008KT
   FM040600 17008KT P6SM SCT025 SCT080
   TEMPO 0406/0413 3SM BR BKN020 RMK NXT FCST BY 040700Z
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.