Ruth Airport
T42 · Mad River, CA · Non-towered · Print kneeboard
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Weather
METAR observed
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TAF forecast
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Sun & FAA night2026-08-07 · night begins 08:51 PM
| Event | Local (PDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 05:47 AM | 12:47Z |
| Sunrise | 06:17 AM | 13:17Z |
| Sunset | 08:21 PM | 03:21Z |
| Evening civil twilight Loggable night begins | 08:51 PM | 03:51Z |
Plan a flight from T42
Winds aloft NOAA forecast · 3,000 to 53,000 ft
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Full reports: nearest reporting station
Advisories
Airspace hazards
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Runways
RWY 13LEFT traffic
- Heading
- 134° mag · 151° true
- Dimensions
- 3,500 × 50 ft
- TPA
- 3,800 ft MSL (≈1,000 AGL) · standard
- Surface
- Asphalt
- CTAF
- 122.8
Enter the left downwind (heading 314°) on the 45° at 3,800 ft MSL (≈1,000 AGL).
More details — RWY 13
- Markings
- basic
- Approach obstacle
- Berm, 6 ft, 200 ft from threshold, 125 ft L of centerline
Pattern side: FAA NASR · TPA standard 1,000 ft AGL (not charted) · layout: FAA runway-end coordinates
| Runway | Length | Your margin |
|---|---|---|
| 13/31 | 3,500 ft |
Prefer one flat page? Full runway details for T42 → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the T42 kneeboard →
Comms & NavAids
Communication frequencies
Taxi & takeoff
Source: FAA NASR (current 28-day cycle).
Prefer one flat list? All T42 frequencies →
Charts & procedures
Airport info
Airport information
- FAA LID
- T42
- Coordinates
- 40.2113, -123.2980
- Elevation
- 2,781 ft MSL
- Magnetic variation
- 17E
- Sectional chart
- KLAMATH FALLS
- Airport use
- Public
- Control tower
- No
- ARTCC
- OAKLAND (ZOA)
- Flight service (FSS)
- RANCHO MURIETA · 1-800-WX-BRIEF
- NOTAM facility
- RIU
- Attendance
- UNATNDD
- Segmented circle
- No
- Wind indicator
- yes
- Activated
- 2002/01
- Distance from city
- 7 S
Night operations
- Pilot-controlled lighting
- Usually keyed on CTAF 122.8 — 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
Remarks FAA · 7 notes
General
- AIRPORT CLSD NIGHTS.
- INTERMITTENTLY CLOSED WINTERS DUE TO SNOW, CTC COUNTY TRANSPORTATION OFFICE FOR INFO 530-623-1365.
- HIGH TERRAIN ALL QUADRANTS.
- FOR CD CTC OAKLAND ARTCC AT 510-745-3380.
Obstructions
- 4' FENCE 75' LEFT & 100' RIGHT OF CNTRLN.
Contact
- DIRECTOR OF TRANSPORTATION; OFFICE IN WEAVERVILLE.
- TRINITY COUNTY TRANSPORTATION SERVICES OFFICE IN WEAVERVILLE
Nearby airports
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Also nearby: 45CL Hell'er High Water Airport (private) (6 NM) · 41CA Silver Creek Ranch Airport (private) (7 NM) · F62 Hayfork Airport (21 NM) · D63 Dinsmore Airport (22 NM) · O16 Garberville Airport (25 NM) · O09 Round Valley Airport (25 NM)
About T42
Ruth Airport (T42) is an airport in Mad River, CA, at 2,781 ft MSL. It has 1 runway, the longest 3,500 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for T42, refreshed from the Aviation Weather Center and FAA NASR.
Does T42 have a control tower?
No. Ruth Airport is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM in the Comms & NavAids section.
What is the longest runway at T42?
Ruth Airport has 1 runway; the longest is 3,500 ft. See the Runways section for headings, surface, and lighting.
Where is T42?
Ruth Airport is in Mad River, CA, at an elevation of 2,781 ft MSL. Coordinates: 40.2113, -123.2980.
Fly out of T42 often?
Save T42 as your home base in the SkyReady app for a one-tap Go/No-Go readiness brief, weather alerts, and automatic FAA currency — free to log.
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 T42 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.