WxDecoder

17CL Weather Las Trancas Airport

Davenport, CaliforniaElevation 125 ftSmall airport
OFF-FIELD REFERENCE
Nearest report: KNUQ · 22 NM NE · 9 min old
No ceiling, visibility 10 SM.
No on-field report, so no field flight category. Conditions at the field may differ.
OFF-FIELD REFERENCE · KNUQ
WIND
Calm
no steady wind
VISIBILITY
10 SM
16.1 km
CEILING
None
no BKN/OVC layer
ACTIVE NWS ALERTS

Active weather alerts

Coastal Flood AdvisoryMinor · Expected · Likely
26 1600Z to 29 2200Z
Coastal North Bay Including Point Reyes National Seashore; San Francisco Peninsula Coast
* WHAT...Up to 1.9ft of inundation above ground level is possible in low-lying areas near shorelines and tidal waterways. * WHERE...Pacific Coast. * WHEN...From 9 AM Monday to 3 PM PDT Thursday. * IMPACTS...High tides will result in flooding of low-lying infrastructure, isolated road closures, and coastal erosion. Rising tides will bring water and waves farther up the beach than normal, restric…
If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property.

Alerts from the National Weather Service. For situational awareness only; always confirm against an official briefing.

FORECAST & PILOT NOTES · SUPPLEMENTAL

Extended forecast and pilot notes

No aviation METAR is published for this airport. The nearest National Weather Service station reports wind from 69° at 1 kt, temperature 10.56C. This observation is older than usual, so treat it with extra caution. Treat this as supplemental, not an aviation observation. Forecast suggests sunday partly sunny, high near 64F, low near 53F, 0% chance of precipitation. Key risks: no significant hazards are highlighted right now, but always confirm against an official briefing.

DayConditionsTemp FWindGustsPrecipPilot note
Sunday Partly Sunny 64/53 NW 4 kt – 0%
Monday Mostly Sunny 62/52 NNW 11 kt 17 kt 0%
Tuesday Mostly Sunny 60/53 NNW 10 kt – 0%
Wednesday Partly Sunny 60/53 NW 8 kt – 2%
Thursday Partly Sunny 59/51 NW 10 kt – 23%
Friday Chance Light Rain 57/50 NW 9 kt – 37%
Saturday Chance Light Rain 57 NNW 8 kt – 35%

Source: National Weather Service (office MTR). Forecast issued 0943Z.

Radar

Radar data: NOAA/NWS MRMS composite reflectivity. For situational awareness only, not a substitute for an official weather briefing.

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RUNWAYS & WIND
Crosswind calculator
No runway layout is available for 17CL. Enter a runway number or heading to estimate wind components.
RUNWAYS

Runway detail & declared distances

1 runway · longest 1,300 ft

14/32
Dimensions
1,300 x 30 ft
Surface
Gravel
RWY 14
Traffic patternRight
RWY 32
Traffic patternLeft

Runway data from the FAA NASR dataset (effective 2026-06-11). Verify with the current Chart Supplement and NOTAMs.

FIELD CONDITIONS

Field elevation

Field elevation
125 ft MSL

Density and pressure altitude need a current temperature and altimeter from the METAR.

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
0120Z 6:20 PM
Sunrise
1426Z 7:26 AM
Loggable night
0147Z (6:47 PM local) → 1359Z (6:59 AM local)
end of evening to start of morning civil twilight
Position lights required
0120Z (6:20 PM local) → 1426Z (7:26 AM local)
sunset to sunrise (91.209)
Night passenger currency
0220Z (7:20 PM local) → 1326Z (6:26 AM local)
1 hr after sunset to 1 hr before sunrise (61.57(b))

FAA definitions, shown in Zulu with airport-local time. Verify for your operation.

AIRPORT INFORMATION

Facility & services

Las Trancas Airport is in Davenport, California. Field elevation 125 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipPrivately owned
UsePrivate use
TypeSmall airport
ManagerBARRY J PORTER
Manager phone831-420-7902
AttendedUNATNDD
CHARTS & AIRSPACE
ICAO / IATA17CL
SectionalSAN FRANCISCO
Center (ARTCC)OAKLAND
Flight service (AFSS)OAKLAND
RegionCalifornia
CountryUnited States
Coordinates37.0885, -122.2737
Distance from city6 NM NW
SERVICES & LIGHTING
Control towerNon-towered
AIRCRAFT ACTIVITY

17CL traffic patterns

2026-07-26 to 2026-10-18, 5 days observed · data 2026-10-23

Low confidence
TRAFFIC VOLUME (30-DAY)
AVG LANDINGS/DAY
1.5
AVG OPS/DAY
2.5
Activity trend over 2 days: falling, from 4 to 1 operations per dayOperations trend (2 days)

Busiest day: Sat · Busiest month: Sep

FLEET MIX
Piston single 67%Unknown 33%

Mostly small piston aircraft.

TOP AIRCRAFT TYPES
›UNKN (Unknown) · ~2 landings/mo
›C172 (Piston single) · ~1 landings/mo
›C180 (Piston single) · ~1 landings/mo
›P28A (Piston single) · ~1 landings/mo
›PA22 (Piston single) · ~1 landings/mo
LIKELY BASED AIRCRAFT
Low-confidence estimate

Aircraft likely based near this airport (estimate), mostly aircraft of unknown type.

›UNKN (Unknown)

This is an estimate based on repeated flight patterns, not registration data. Do not rely on it to identify specific aircraft or owners.

Data limitations (4)
›ADS-B coverage is incomplete; counts are an observed lower bound, not official totals.
›Some aircraft do not transmit usable ADS-B and are not counted.
›Aircraft types and based estimates are inferred and may be wrong.
›This is not official ATC, FAA, or airport data.
NEARBY AIRPORTS

Weather reference stations

17CL has no on-field report. Nearest reporting station: KNUQ (22 NM NE, VFR).

KNUQ Moffett Federal Airfield
22 NM NE
VFR
KSJC Norman Y. Mineta San Jose International Airport
23 NM NE
VFR
KPAO Palo Alto Airport
24 NM N
VFR
KWVI Watsonville Municipal Airport
25 NM E
VFR
KSQL San Carlos Airport
26 NM N
VFR
KRHV Reid-Hillview Airport of Santa Clara County
26 NM NE
VFR
AIRPORT REMARKS

Operational remarks

›TURBULENCE SW END DURING NW WIND IN EXCESS OF 15 KTS.
›P-LINE 200' E OF RWY.
›PHONE OR CTC MGR BFR LNDG.
›FORM 2681 FILED FOR RECORDS.
›FOR CD CTC NORCAL APCH AT 916-361-3748.
OFFICIAL LINKS & SOURCES
↗Search NOTAMs (official FAA NOTAM Search)
↗17CL on OurAirports
FREQUENTLY ASKED
Does 17CL have a METAR?
No on-field METAR is issued for 17CL. This page uses the nearest reporting station as a reference.
Does 17CL have a TAF?
No TAF is issued directly for 17CL. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at 17CL?
17CL sits at 125 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for 17CL?
No. wxdecoder.com is for education and situational awareness only. It is not an official weather briefing or a substitute for official sources, NOTAM review, and pilot judgment.
This app is for aviation weather education, training, and situational awareness only. It is not a substitute for an official weather briefing, approved flight-planning software, flight service, dispatch procedures, current FAA regulations, or pilot judgment. Always verify weather with official sources before flight.