AviatDataSidney-Richland Regional Airport SDY / KSDY
Sidney, Montana · United States · Sidney-Richland Airport Authority
15kpax · 2024
H24Jet A · Avgas 100LL
ICAO / IATAKSDY / SDY
OperatorSidney-Richland Airport Authority
Coordinates47.7069°N, 104.1926°W
Elevation1,985 ft · 605 m
Time zoneMT (UTC-7/-6 DST)
Passengers / yr14,662 (2024)
CustomsNo
Border controlNo
SchengenNo
FuelJet A · Avgas 100LL
Bonded—
AIP referenceKSDY — FAA Chart Supplement / d-TPP
Operating hoursNon-towered; AWOS-3PT weather (119.275). FBO/UNICOM (Richland Aviation, 122.8) attended 0600-1900 daily, on call 24 hours for fuel/service. Airport office hours ~0900-1600. No curfew, no PPR, no seasonal closure.
TerminalsSingle small terminal building with TSA security screening and one boarding gate serving Cape Air EAS flights; free short- and long-term public parking on site.
Runways (2)
- 1/19 · 1,739 m / 5,705 ft · 30 m wide · Asphalt
- 11/29 · 1,227 m / 4,024 ft · 30 m wide · Asphalt
Airport contact
Sole scheduled carrier is Cape Air, flying Cessna 402C EAS service to Billings (BIL) roughly five times daily under a ~$3.78M/yr DOT Essential Air Service subsidy; the airport also handles significant general-aviation and charter traffic tied to Bakken oil-field activity in the Sidney area.
Services
Available
On request / PPR
Seasonal / ageing
Unconfirmed / not listed
Ground handling
Available · 2 providers
Richland Aviation
Line service includes baggage handling and a courtesy car; call-out line service available for $150/person/incident outside normal hours.
Contact details available to subscribersYour company? Subscribe · Founding Member Price €199/yr
Verified 2 months ago · unconfirmed source
Cape Air
Sole scheduled carrier at SDY (Essential Air Service to Billings, ~5x daily with Cessna 402); self-handles ticketing, operations, and ramp functions using its own cross-trained station agents, with no third-party ground handler at this station.
Contact details available to subscribersYour company? Subscribe · Founding Member Price €199/yr
Verified 2 months ago · unconfirmed source
Aircraft fuel
Available
Richland Aviation
Sole FBO and fuel seller at KSDY; sells Jet A and 100LL via mobile refueling trucks, both priced at $7.50/gal as of 09-Jul-2026. Multiple aviation fuel cards accepted (NATA Safety 1st, US Government AIR Card, Phillips 66 Contract Fuel, Multi Service). · 24/7 ($60 call-out fee 10pm-6am)
Contact details available to subscribersYour company? Subscribe · Founding Member Price €199/yr
Verified 2 months ago · unconfirmed source
De-icing
Seasonal
Richland Aviation
Offers Type I deicing fluid application ($50 setup + $29/gallon) as part of winter line services.
Contact details available to subscribersYour company? Subscribe · Founding Member Price €199/yr
Verified 2 months ago · unconfirmed source
Part-145 line maintenance
Not listed
Part-145 base maintenance
Available
Richland Aviation
On-site full-service maintenance shop staffed by certified A&P mechanics, lead mechanic holds FAA Inspection Authorization; airport records list major airframe and powerplant service capability. Shop rate approximately $100/hour.
Contact details available to subscribersYour company? Subscribe · Founding Member Price €199/yr
Verified 2 months ago · unconfirmed source
Component shops & overhaul
Not listed
Flight catering
On request
Richland Aviation
Coordinates catering and lodging arrangements for arriving crews/passengers as a concierge service rather than providing in-house catering.
Contact details available to subscribersYour company? Subscribe · Founding Member Price €199/yr
Verified 2 months ago · unconfirmed source
Aircraft cleaning
Not listed
Ground support equipment
Available
Richland Aviation
Provides GPU/power cart (free with fuel purchase or $50), engine preheat ($20/engine), tow bars and a heavy-duty tug for aircraft up to Bombardier Challenger 300 size.
Contact details available to subscribersYour company? Subscribe · Founding Member Price €199/yr
Verified 2 months ago · unconfirmed source
Cargo handling
On request
Richland Aviation
Offers on-demand cargo charter alongside passenger charter using a Cessna 340A.
Contact details available to subscribersYour company? Subscribe · Founding Member Price €199/yr
Verified 2 months ago · unconfirmed source
Aviation security
Not listed
Passenger & crew transport
On request
Richland Aviation
Arranges ground transportation and rental vehicle coordination for crews/passengers in addition to its courtesy car.
Contact details available to subscribersYour company? Subscribe · Founding Member Price €199/yr
Verified 2 months ago · unconfirmed source
Flight support
Not listed
Hotel & travel
Not listed