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W12
LOST RIVER
PublicPUB

5 miles NW of MAZAMA, WA
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LiveATC.net: Live Air Traffic - From Their Headsets to You
Operational
48° 38' 59"N 120° 30' 07"W
2415' MSL
3415' MSL
21E
None Listed
SEATTLE (SEA)
SEATTLE
SEATTLE (ZSE)
4/17/25-5/15/25
KS52 (19nm) IFR
2:35 AM PST  
Light Snow and Mist
Overcast 9,500'
Broken 4,500'
Scattered 1,000'
2.5sm
31°F
32°F
30.30"Hg
Calm
AO2 P0001 T1006////
METAR KS52 271035Z AUTO 00000KT 2 1/2SM -SN BR SCT010 BKN045 OVC095 M01/ A3030 RMK AO2 P0001 T1006////
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FAA A/FD Pages

Airport Diagrams

  • No Documents

Airport Minimums

  • No Documents

Departure Procedures

  • No Documents

Hotspot

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Standard Term. Arrival

  • No Documents

Instrument Approach

  • No Documents

Terminal Area Forecast

CYYF (60nm)
Wed, 11/26 10:40 PM PST
Wed, 11/26 11:00 PM PST - Thu, 11/27 11:00 AM PST
MVFR
Becoming 11:00 PM PST - 3:00 AM PST
Overcast 3,000'
6sm
350° 5kts
MVFR
11:00 PM PST - 11:00 AM PST
Overcast 3,000'
6sm
170° 5kts
MVFR
Temporary 3:00 AM PST - 7:00 AM PST
Light Snow and Mist
Overcast 4,000'
Broken 2,000'
5sm
Calm
VFR
3:00 AM PST - 7:00 AM PST
Broken 4,000'
Scattered 2,000'
6sm
350° 5kts
MVFR
Temporary 7:00 AM PST - 11:00 AM PST
Light Snow and Mist
Obscured
3sm
Calm
MVFR
7:00 AM PST - 11:00 AM PST
Light Snow
Overcast 4,000'
Broken 2,000'
Scattered 600'
6sm
350° 5kts
TAF CYYF 270640Z 2707/2719 17005KT P6SM OVC030
   BECMG 2707/2709 35005KT
   FM271100 35005KT P6SM SCT020 BKN040
   TEMPO 2711/2715 5SM -SN BR BKN020 OVC040
   FM271500 35005KT P6SM -SN SCT006 BKN020 OVC040
   TEMPO 2715/2719 3SM -SN BR VV006 RMK NXT FCST BY 271300Z
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.
LOST RIVER (IATA: W12) is a public airport located in MAZAMA, WA.