Sierraville Dearwater

O79 · Sierraville, CA · Non-towered · Print kneeboard · Open on the map

Elevation

4,990 ft MSL

Longest runway

3,093 ft 03/21

Runway

Mag var

16E

CTAF 122.9

Nearby now

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Weather

METAR observed

No weather station at O79. Nearby reporting stations: KTRK (19 NM), KRTS (23 NM), KBLU (25 NM).

TAF forecast

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Sun & FAA night2026-09-18 · night begins 07:32 PM

Event	Local (PDT)	UTC
Morning civil twilight Loggable night ends	06:18 AM	13:18Z
Sunrise	06:45 AM	13:45Z
Sunset	07:05 PM	02:05Z
Evening civil twilight Loggable night begins	07:32 PM	02:32Z

Loggable night (§1.1)

07:32 PM → 06:18 AM

Night currency (§61.57)

08:05 PM → 05:45 AM

Plan a flight from O79

Destination

TAS (kt)Burn (gph)Reserve (hr)Cruise (ft)Max alt (ft)Wind from (°)Wind (kt)

Winds aloft NOAA forecast · 3,000 to 53,000 ft

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Full reports: nearest reporting station

Advisories

NOTAMs · Loading NOTAMs…

Pilot reports · Loading PIREPs…

Airspace hazards · Checking SIGMETs and G-AIRMETs…

Temporary flight restrictions · Checking for TFRs…

Runways

RWY 21RIGHT trafficRP · charted

Heading: 213° mag · 229° true
Dimensions: 3,093 × 50 ft
TPA: 5,790 ft MSL · 800 AGL · charted
Surface: ASPH-DIRT
Displaced thr: 182 ft
CTAF: 122.9

Enter the right downwind (heading 033°) on the 45° at 5,790 ft MSL.

More details — RWY 21

Threshold elev: 4,955 ft
Markings: basic

Condition: Poor. Weight bearing: Single wheel 12k.

Pattern side + displaced threshold: FAA NASR · TPA charted (NASR) · layout: FAA runway-end coordinates

Will it fit? Your aircraft's required runway length (from the POH) — checked against every runway here

ft · ≥1.5× comfortable, under 1.25× tight · saved across airports

Runway	Length	Your margin
03/21	3,093 ft

Prefer one flat page? Full runway details for O79 → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the O79 kneeboard →

Comms & NavAids

Communication frequencies

Taxi & takeoff

CTAF

122.9

Source: FAA NASR (current 28-day cycle).

Nearby navigation aids

SWR 113.20 · FMG 117.90

NavAid	Type	Freq · ch	Range	Radial / Dist magnetic
SWR · Palisades	VOR/DME	113.20 · 79X	Low	r335° / 24.4 NM
FMG · Mustang	VORTAC	117.90 · 126X	High	r260° / 32.4 NM

Prefer one flat list? All O79 frequencies →

Charts & procedures

PDF ↗

Chart Supplement ↗

VFR sectional →

Airport info

Airport information

FAA LID: O79
Coordinates: 39.5815, -120.3543
Elevation: 4,990 ft MSL
Magnetic variation: 16E
Sectional chart: SAN FRANCISCO
Airport use: Public
Control tower: No
ARTCC: OAKLAND (ZOA)
Flight service (FSS): RENO · 1-800-WX-BRIEF
NOTAM facility: RNO
Attendance: UNATNDD
Segmented circle: Yes
Wind indicator: yes
Distance from city: 1 SE

Night operations

Pilot-controlled lighting: Usually keyed on CTAF 122.9 — confirm the click sequence in the Chart Supplement ↗

FAA night windows (civil twilight, loggable night §1.1, currency §61.57) are under Sun & FAA night in the Weather section.

Services fuel · repairs · oxygen · attendance

Bottled oxygen: NONE
Bulk oxygen: NONE
Airframe service: NONE
Powerplant service: NONE
Parking: tiedowns

Ownership & management 2 contacts

Owner

COUNTY OF SIERRA

PO BOX 98, DOWNIEVILLE, CA

(530) 289-3201

Manager

BRIAN DAVEY

PO BOX 98, DOWNIEVILLE, CA

(530) 289-3201

Remarks FAA · 5 notes

General

FOR CD CTC OAKLAND ARTCC AT 510-745-3380.

Runways

PAVEMENT IS CRUMBLING IN AREAS AND CRACKING.

Lighting

ULTRALIGHT ACTIVITY ON & INVOF ARPT.

Contact

SIERRA COUNTY PUBLIC WORKS DIRECTOR. TRANSPORTATION@SIERRACOUNTY.CA.GOV
SIERRA COUNTY PUBLIC WORKS DEPARTMENT, DOWNIEVILLE.

Nearby airports

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Also nearby: O02 Nervino (14 NM) · NV09 H Bar H (private) (23 NM) · CA11 Bodad (private) (26 NM)

About O79

Sierraville Dearwater (O79) is an airport in Sierraville, CA, at 4,990 ft MSL. It has 1 runway, the longest 3,093 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for O79, refreshed from the Aviation Weather Center and FAA NASR.

Does O79 have a control tower?

No. Sierraville Dearwater is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM in the Comms & NavAids section.

What is the longest runway at O79?

Sierraville Dearwater has 1 runway; the longest is 3,093 ft. See the Runways section for headings, surface, and lighting.

Where is O79?

Sierraville Dearwater is in Sierraville, CA, at an elevation of 4,990 ft MSL. Coordinates: 39.5815, -120.3543.

More about O79

Weather is live from the Aviation Weather Center; airport facility data is from the FAA NASR (28-day cycle). For planning and education only; always verify against official sources. Open O79 in a full tool: METAR/TAF decoder, crosswind calculator, sun & night times, or the density altitude calculator. Planning from here? Find the nearest airport with fuel or an approach, or check whether an IFR alternate is required.

Something here wrong or out of date? Report a data problem.