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CN12 · Williams Gliderport

ICAO · US · 6 NTSB events

ID CN12 Elev 68 ft Lat 39° 9.81' N Lon 122° 7.92' W Zulu …

Live conditions

METAR

fetching…

Wind / Visibility

—

Density altitude (now)

—

Decode in METAR tool TAF on AWC ↗ NOTAMs ↗

Aerial view

No FAA diagram published

Imagery © Esri, Maxar, Earthstar Geographics, USDA FSA

Runways

2 runway ends on file. Longest: 2,500 ft.

Designator Heading Length Width Surface Lighting Gradient
16 — 2,500 ft 40 ft Asphalt No —
34 — 2,500 ft 40 ft Asphalt No —

Lengths + headings: in-app airport database. Surface, width, lighting: OurAirports. Gradient: derived from FAA NASR runway-end elevations (NASR's RWY_GRAD field is empty in 99.99% of rows).

Chart Supplement remarks, plain English · 0 matched · 3 not yet translated

Translations anchored to the FAA text; the raw FAA text is authoritative.

Not yet translated · raw FAA text (3 sentences)
  • ·RWY/APRON - POOR; UNPAVED PORTION - POOR/SOFT WHEN WET.
  • ·FOR CD CTC OAKLAND ARTCC AT 510-745-3380.
  • ·ADD'L CONTACT NOELLE MAYES, 530-330-4354, [email protected] ESTAB PRIOR TO 15 MAY 1959.

Field profile

Use

Private

Ownership

Private

Scheduled service

No

NTSB events

6 NTSB-recorded events on file at this airport .

Total events

7

since 1982

Fatal

0

0.0% of total

Last 5 years

1

≈ 0.2/yr

Last 10 years

2

≈ 0.2/yr

Ranking across all airports · Open in accident map ↗

Last 10 years · n=3

  • Loss of control 1
  • Controlled flight into terrain 1
  • Ground collision 1

All time · n=6

  • Ground collision 2
  • Controlled flight into terrain 2
  • Other 1
  • Loss of control 1

Categories rule-matched from NTSB findings and probable-cause text. "Other" = not enough agency text to classify.

Date Aircraft · Classification · Wx Sev
2026-04-13 ALEXANDER SCHLEICHER GMBH & CO ASH 31 MI · Ground collision · day →
2023-06-26 SCHLEICHER ALEXANDER GMBH & CO ASH 26 E · CFIT · VMC · day →
2018-09-09 HIMMEROEDER HANSGEORG Bearhawk · Loss of control · VMC · day →
2014-08-30 Travel Air C 4000 · CFIT · VMC · day →
2009-08-02 Schempp Hirth Discus CS · Ground collision · VMC · day →
2005-05-28 S.A. Centrair Pegase 101D · Other · VMC · day →

Designees in CA

CFI Flight Instructors 5,776 A&P Mechanics 22,561 AME Medical Examiners (AME) 139 DME Mechanic Examiners (DME) 25 DPRE Parachute Rigger Examiners (DPRE) 1 DAR-F Manufacturing Airworthiness (DAR-F) 17 DAR-T Maintenance Airworthiness (DAR-T) 20 DER-Y Engineering — Company (DER-Y) 45 DER-T Engineering — Consultant (DER-T) 66 SAE Specialty Aircraft Examiners (SAE) 126 TCE Training Center Evaluators (TCE) 38 ODA Organizational Designations 11 Schools Flight Schools 243 FBO Fixed Base Operators 209 Clubs Flying Clubs 82 Repair Repair / Maintenance Shops 56 EAA EAA Chapters 63

DPEs nearby

Distance is city-centroid to airport, a first cut, not the exam location.

Designee City ST Distance
Brett Rexford Mayes Williams CA 1 nm
Scott Roberson Chico CA 39 nm
Jonathan Baror Davis CA 41 nm
Ashley Noel Snider Lincoln CA 43 nm
Joshua Beckham Mcclellan CA 45 nm
Marc Nelson Ballif Mcclellen CA 45 nm
Robert Frankovich Sacramento CA 47 nm
Mark William Montague Auburn CA 52 nm
Michael Bruce Traud Mather CA 54 nm
Justin Chaffin Red Bluff CA 61 nm

Showing 10 closest of ~1,400 DPEs nationwide. Source: FAA Designee Locator.

CFIs nearby

City-centroid distance; ratings as on the FAA certificate.

Instructor City ST Distance
Brett Rexford Mayes Williams CA 1 nm
Benjamin Robert Mayes Williams CA 1 nm
Ritch Dave Hollingsworth Colusa CA 6 nm
Douglas Charles Kinkle Colusa CA 6 nm
Nicholas Mark Richter Maxwell CA 7 nm
Carin Cooper Batham Yuba City CA 23 nm
David Allen Lane Yuba City CA 23 nm
Warren Edwin Williams Yuba City CA 23 nm
Michael Robert York Yuba City CA 23 nm
Frederick Eugene Young Yuba City CA 23 nm

Showing 10 closest of ~70,900 active CFIs nationwide. Source: FAA Airmen Certification Database.

A&P mechanics nearby

City-centroid distance. A = airframe, P = powerplant, IA = inspection authorization.

Mechanic City ST Distance
Brett Rexford Mayes Williams CA 1 nm
Anthony James Koualczuk Williams CA 1 nm
Peter Daniel King Williams CA 1 nm
Daniel Paul Schaefer Williams CA 1 nm
Gary Charles Jones Williams CA 1 nm
Mario George Ortiz Williams CA 1 nm
Dick Kin Chung Lau Williams CA 1 nm
Anil Kumar Kisun Williams CA 1 nm
Cache Ernest Lompa Williams CA 1 nm
Douglas Charles Kinkle Colusa CA 6 nm

Showing 10 closest of ~248,300 certificated mechanics nationwide. Source: FAA Airmen Certification Database.

Repair stations nearby

By airport location.

Shop Distance
Lake Aero Styling & Repair
Lakeport, CA
 37 nm
The Avionics Specialist, Inc.
Lincoln, CA
 40 nm
Cafaro Aviation Aircraft Maintenance
Paradise, CA
 41 nm
Davis Air Repair, Inc.
Davis, CA
 41 nm
Axcess Aviation Maintenance Services, Inc.
Mcclellan, CA
 46 nm
PropJet 210 Aviation, Inc.
Windsor, CA
 50 nm
Elite Air Interiors
Mather, CA
 53 nm
Beaver Avionics, Inc.
Red Bluff, CA
 60 nm
Direct Avionics
Novato, CA
 65 nm
Quality Aero Maintenance
Acampo, CA
 71 nm

Showing 10 closest of ~400 geocoded shops in the repair-station directory. Source: AOPA business listings.