Sidney–Richland Municipal Airport

Sidney–Richland Municipal Airport (IATA: SDY, ICAO: KSDY, FAA LID: SDY) is a mile west of Sidney, in Richland County, Montana.[1] The airport is served by one airline, subsidized by the federal government's Essential Air Service program at a cost of $3,777,579 (per year).[2]

Sidney–Richland Municipal Airport
Summary
Airport typePublic
OwnerSidney Richland Airport Authority
ServesSidney, Montana
Elevation AMSL1,985 ft / 605 m
Coordinates47°42′25″N 104°11′33″W
Websitewww.sidneymtairport.com
Maps

FAA Airpot Diagram as of January 2021
SDY
SDY
Runways
Direction Length Surface
ft m
1/19 5,705 1,739 Asphalt
11/29 4,023 1,226 Asphalt
Statistics (2009)
Aircraft operations6,815
Based aircraft32

The Federal Aviation Administration says this airport had 2,031 passenger boardings (enplanements) in calendar year 2008,[3] 2,766 in 2009, and 3,659 in 2010.[4] The National Plan of Integrated Airport Systems for 2011–2015 categorized it as a general aviation airport based on enplanements in 2008 (the commercial service category requires at least 2,500 enplanements per year).[5]

Scheduled air service temporarily ceased on March 8, 2008, when Big Sky Airlines ended operations in bankruptcy. Great Lakes Airlines was given USDOT approval to take over Essential Air Service (EAS)[6] and flights began in 2009. Between 2011 and 2013, service was provided under EAS contract by Silver Airways (formerly Gulfstream International Airlines). Effective December 10, 2013 service between Sidney and Billings is provided five times per day by Cape Air in Cessna 402Cs.

The first airline flights were Frontier DC-3s in September 1954; a commuter airline replaced Frontier when it ended DC-3 flights in 1968-69, but Frontier returned with Twin Otters and stayed until 1980.

Facilities

The airport covers 335 acres (136 ha) at an elevation of 1,985 feet (605 m). It has two asphalt runways: 1/19 is 5,705 by 100 feet (1,739 x 30 m) and 11/29 is 4,023 by 100 feet.[1]

In 2009 the airport had 6,815 aircraft operations, average 18 per day: 59% general aviation, 26% airline, 15% air taxi, and <1% military. 32 aircraft were then based at the airport: 84% single-engine and 16% multi-engine.[1]

Airline and destination

Scheduled passenger airline:

AirlinesDestinations
Cape Air Billings

Statistics
Carrier shares: (Dec 2015 - Nov 2016)[7]
Carrier   Passengers (arriving and departing)
Cape Air
15,980(100%)
Top domestic destinations: (Dec 2015 - Nov 2016)[7]
Rank Airport Passengers Airline
1 Billings Logan International (BIL) 8,000 Cape Air

References
  1. FAA Airport Form 5010 for SDY PDF. Federal Aviation Administration. Effective April 5, 2012.
  2. "Essential Air Service Reports". U.S. Department of Transportation. Retrieved June 7, 2014.
  3. "Enplanements for CY 2008" (PDF, 1.0 MB). CY 2008 Passenger Boarding and All-Cargo Data. Federal Aviation Administration. December 18, 2009. External link in |work= (help)
  4. "Enplanements for CY 2010" (PDF, 189 KB). CY 2010 Passenger Boarding and All-Cargo Data. Federal Aviation Administration. October 4, 2011. External link in |work= (help)
  5. "2011–2015 NPIAS Report, Appendix A" (PDF, 2.03 MB). National Plan of Integrated Airport Systems. Federal Aviation Administration. October 4, 2010. External link in |work= (help)
  6. "Great Lakes prepares for Montana routes". Sidney Herald. Montana. December 30, 2007. Retrieved February 3, 2008.
  7. "Sidney, MT: Sidney/Richland Municipal (SDY)". Bureau of Transportation Statistics (BTS), Research and Innovative Technology Administration (RITA), U.S. Department of Transportation. December 2013. Retrieved February 17, 2017.

Other sources
  • Essential Air Service documents (Docket DOT-OST-1997-2605) from the U.S. Department of Transportation:
    • Order 2005-12-20 (December 30, 2005): selecting Big Sky Transportation Co., d/b/a Big Sky Airlines, to continue providing essential air service at seven Montana communities (Glasgow, Glendive, Havre, Lewistown, Miles City, Sidney, and Wolf Point) for a new two-year period beginning March 1, 2006, at a subsidy of $6,838,934 annually.
    • Order 2007-11-21 (November 26, 2007): selecting Big Sky Transportation Co., d/b/a Big Sky Airlines, to continue providing essential air service at seven Montana communities for a new two-year period beginning March 1, 2008, at a subsidy of $8,473,617 annually.
    • Order 2007-12-22 (December 21, 2007): allowing Big Sky Transportation Co., d/b/a Big Sky Airlines, to suspend its subsidized essential air services at seven Montana communities on the date that Great Lakes Aviation, Ltd., begins replacement service, and selecting Great Lakes to provide those services at subsidy rates totaling $8,201,992.
    • Order 2008-7-9 (July 3, 2008): approving an alternate service pattern requested by Lewistown, Miles City and Sidney, Montana.
    • Order 2011-1-27 (February 2, 2011): selecting Gulfstream International Airlines, to provide subsidized essential air service (EAS) with 19-passenger Beechcraft B-1900D aircraft at Glasgow, Glendive, Havre, Lewistown, Miles City, Sidney, and Wolf Point, Montana, for a two-year period beginning when the carrier inaugurates full EAS at all seven communities through the end of the 24th month thereafter (two-year period ended May 31, 2013), at a combined annual subsidy rate of $10,903,854. Aircraft: 19-passenger Beech 1900-D. Destination: Billings. The subsidy and level of service for each community is as follows: Lewistown $1,325,733 (12 nonstop round trips each week), Miles City: $1,621,821 (12 nonstop round trips each week), Sidney $2,932,152 (17 nonstop round trips each week), Havre $1,162,329 (12 one-stop round trips each week), Glendive $1,193,391 (12 one-stop round trips each week), Glasgow $1,166,049 (5 nonstop and 7 one-stop round trips each week), Wolf Point $1,502,378 (7 nonstop and 5 one-stop round trips each week).
    • Notice (June 28, 2013): from Silver Airways of its intent to discontinue scheduled subsidized Essential Air Service between Glasgow, Glendive, Havre, Lewistown, Miles City, Sidney, Wolf Point, Montana and Billings, Montana. Commensurate with the end of subsidy eligibility, Silver Airways will end service to Lewistown and Miles City on July 15, 2013. Further, Silver Airways hereby serves 90-day notice of its intent to discontinue service to the communities of Glasgow, Glendive, Havre, Sidney and Wolf Point, Montana effective September 27, 2013.
    • Order 2013-6-3 (June 4, 2013): extending the contract established under Order 2011-1-27, issued on February 3, 2011, for Silver Airways, Inc. (formerly Gulfstream International Airlines), to provide Essential Air Service (EAS) operations at Lewistown, Miles City, Glasgow, Glendive, Havre, Sidney, and Wolf Point, Montana, from June 1, 2013, until further notice.
    • Order 2013-9-4 (September 5, 2013): selecting Hyannis Air Service, Inc., d/b/a Cape Air, to provide Essential Air Service (EAS) with 9-passenger Cessna 402 aircraft at Glasgow, Glendive, Havre, Sidney, and Wolf Point, Montana, for a two-year period beginning December 1, 2013, through November 30, 2015, at a combined annual subsidy of $11,950,426. The subsidy and level of service for each community is as follows: Glasgow $2,046,800 (2 trips per day), Glendive $1,944,467 (2 trips per day), Havre $2,036,254 (2 trips per day), Sidney $3,777,579 (5 trips per day), Wolf Point $2,145,326 (2 trips per day). Scheduled service: to Billings. Aircraft Type: Cessna 402 (9 passenger seats).
    • Order 2013-12-1 (December 2, 2013): Cape Air will commence full EAS at all five of the above communities beginning December 10, 2013, thereby establishing an end date for this contract of December 31, 2015.


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