AviatDataCharles M. Schulz-Sonoma County Airport STS / KSTS
Santa Rosa, California · United States · County of Sonoma (Sonoma County Department of Transportation)
781kpax · 2025
Limited hoursJet A · Avgas 100LL
ICAO / IATAKSTS / STS
OperatorCounty of Sonoma (Sonoma County Department of Transportation)
Coordinates38.5089°N, 122.8128°W
Elevation129 ft · 39 m
Time zonePT (UTC-8/-7 DST)
Passengers / yr780,637 (2025)
CustomsNo
Border controlNo
SchengenNo
FuelJet A · Avgas 100LL
Bonded—
AIP referenceKSTS — FAA Chart Supplement / d-TPP
Operating hoursAirport open 24h; ATC tower operates daily 0700-2000 local (Class D when active, Class G otherwise). No curfew or PPR. Avgas 100LL available 24h via self-serve credit card; Jet A during staffed FBO hours.
TerminalsSingle passenger terminal modernized in 2023; new 40,000 sq ft building with expanded gate capacity, dual baggage claim, concessions, outdoor patio and on-site rental cars.
Runways (2)
- 14/32 · 1,829 m / 6,000 ft · 46 m wide · Asphalt (grooved) · ILS ILS Rwy 32
- 02/20 · 1,586 m / 5,202 ft · 30 m wide · Asphalt (grooved)
Airport contact
North Bay commercial-service airport named for Peanuts cartoonist Charles M. Schulz, a longtime Santa Rosa resident; logo features Snoopy in his WWI flying-ace attire. Served by Alaska Airlines (primary), American Airlines/American Eagle (Phoenix, seasonal Dallas/Fort Worth) and Southwest Airlines (launched April 2026). Avelo Airlines ceased STS operations in August 2025. Also home to the Sonoma County Air Attack Base (CAL FIRE) and the Pacific Coast Air Museum. Record 780,637 total passengers in 2025.
Services
Available
On request / PPR
Seasonal / ageing
Unconfirmed / not listed
Ground handling
Available · 4 providers
Sonoma Jet Center
Line/ramp service for based and transient aircraft, including ground power, lavatory and potable water service, courtesy cars, bicycles and crew transport.
Contact details available to subscribersYour company? Subscribe · Founding Member Price €199/yr
Verified 2 months ago · unconfirmed source
KaiserAir
Full-service line/ramp handling with ground power, oxygen service, crew cars and concierge support for transient and business aircraft; fueling from 0500 with after-hours on request.
Contact details available to subscribersYour company? Subscribe · Founding Member Price €199/yr
Verified 2 months ago · unconfirmed source
PrimeFlight Aviation Services
Third-party ground handler operating a station at STS, evidenced by current STS-specific job postings for ramp supervisor, ramp agents and customer service agents. Provides below-wing ramp/baggage and above-wing passenger/gate services; the specific carrier(s) served is not independently confirmed.
Contact details available to subscribersYour company? Subscribe · Founding Member Price €199/yr
Verified 2 months ago · unconfirmed source
Alaska Airlines
Self-handled: Alaska/Horizon staffs its own ground operations at STS. Its Santa Rosa Ramp & Customer Service Agent postings list below-wing duties (baggage/cargo load, marshaling, aircraft pushback) plus above-wing check-in and boarding. Year-round scheduled service.
Contact details available to subscribersYour company? Subscribe · Founding Member Price €199/yr
Verified 2 months ago · unconfirmed source
Aircraft fuel
Available · 2 providers
Sonoma Jet Center
Avfuel-branded full-service FBO at KSTS; AirNav lists full-service Jet A and 100LL plus self-serve 100LL on the south side of the hangar, with fueling 0600-2100 and after-hours fuel on request.
Contact details available to subscribersYour company? Subscribe · Founding Member Price €199/yr
Verified 2 months ago · unconfirmed source
KaiserAir
KaiserAir Santa Rosa Jet Center is a full-service FBO selling full and self-serve 100LL and Jet A on a large concrete ramp; it accepts major contract-fuel programs including Epic, Colt, AEG and Mercury.
Contact details available to subscribersYour company? Subscribe · Founding Member Price €199/yr
Verified 2 months ago · unconfirmed source
De-icing
On request
Alaska Airlines
Self-performed: the Santa Rosa Alaska/Horizon ramp-agent job description explicitly includes aircraft deicing, indicating in-house de-icing as needed (rarely required in the mild local climate).
Contact details available to subscribersYour company? Subscribe · Founding Member Price €199/yr
Verified 2 months ago · unconfirmed source
Part-145 line maintenance
Available · 3 providers
Sonoma Jet Center
On-site aircraft maintenance for piston, turboprop and jet aircraft, available after hours (per AirNav). No FAA repair-station certificate is listed for this FBO.
Contact details available to subscribersYour company? Subscribe · Founding Member Price €199/yr
Verified 2 months ago · unconfirmed source
KaiserAir
Line maintenance available at the FBO alongside its full-service maintenance operation.
Contact details available to subscribersYour company? Subscribe · Founding Member Price €199/yr
Verified 2 months ago · unconfirmed source
Propjet Aviation
On-field maintenance shop at Santa Rosa (KSTS, confirmed by AOPA) specializing in Cessna piston singles/twins and P210 Silver Eagle turbine conversions; performs annual and 50/100-hour inspections, routine maintenance, modifications and pre-buy inspections.
Contact details available to subscribersYour company? Subscribe · Founding Member Price €199/yr
Verified 2 months ago · unconfirmed source
Part-145 base maintenance
Available
KaiserAir
On-site FAA Part 145 repair station (Class 3 and Class 4) providing full-service airframe and powerplant maintenance (per AirNav).
Contact details available to subscribersYour company? Subscribe · Founding Member Price €199/yr
Verified 2 months ago · unconfirmed source
Component shops & overhaul
Available
Sonoma Jet Center
Oxygen shop — oxygen and nitrogen servicing listed among in-house aircraft maintenance capabilities at its Sonoma County Airport (6000 Flightline Dr) facility; scope limited to servicing/refill per site description, class rating unconfirmed.
Contact details available to subscribersYour company? Subscribe · Founding Member Price €199/yr
Verified 2 months ago · unconfirmed source
Flight catering
Not listed
Aircraft cleaning
On request · 2 providers
Sonoma Jet Center
Light aircraft cleaning offered at the FBO on request.
Contact details available to subscribersYour company? Subscribe · Founding Member Price €199/yr
Verified 2 months ago · unconfirmed source
KaiserAir
Aircraft cleaning/detailing listed for KaiserAir at STS (per AirNav).
Contact details available to subscribersYour company? Subscribe · Founding Member Price €199/yr
Verified 2 months ago · unconfirmed source
Ground support equipment
Not listed
Cargo handling
Not listed
Aviation security
Not listed
Passenger & crew transport
Not listed
Flight support
Not listed
Hotel & travel
Not listed