SDY

Sidney - Richland Regional Airport

ICAO KSDY47.7051°N 104.1944°W1,985 ft / 605 mMedium airport
On the map

Sidney - Richland Regional Airport (IATA: SDY, ICAO: KSDY) is a medium airport in Sidney, Montana, United States. It opened in Jan 1951. It has 2 runways; the longest is 5,705 ft (1,739 m). In 2025 it handled 14 thousand passengers.

Timeline

1 event · 1951–1951
JAN 1951
OpenedSidney - Richland Regional Airport opens.
From Wikidata · FAAEvery airfield, 1903–2026

Runways & airfield

Schematic · N · © OpenStreetMap · FAA diagram PDF
Sidney-Richland Muni. (SDY)
01/19024° / 204° · LIT
LENGTH5,705 ft1,739 mWIDTH100 ft31 mSURFACEAsphalt
11/29117° / 297° · LIT
LENGTH4,024 ft1,227 mWIDTH100 ft31 mSURFACEAsphalt

Passengers per year

2015–2025
18K
16K
16K
19K
19K
14K
16K
13K
16K
15K
14K
1516171819202122232425

Routes

1 destinations · 1 country

Straight lines are great circles; rings mark true distance from SDY. US DOT BTS T-100, 2025: passengers flown from SDY, all carriers, routes with 12 or more departures.

Records & rankings

Ranked among 48,011 open airports · world · region · country
Passengers14K (2025)1 · FEWER1 · FEWERMEDIAN · 64KMEDIAN · 64KMORE · 103MMORE · 103M#2,573of 3,974 · #615 North America · #425 USLongest runway5,705 ft1,739 m46 m · SHORT150 ft · SHORTMEDIAN · 975 mMEDIAN · 3,200 ftLONG · 5,300 mLONG · 17,388 ft=5,118of 29,823 · =1,520 North America · =1,195 USElevation1,985 ft605 m-386 m · LOW-1,266 ft · LOWMEDIAN · 240 mMEDIAN · 787 ftHIGH · 4,938 mHIGH · 16,200 ft#8,960of 43,341 · #4,078 North America · #3,089 USAgeOpened 19512026 · NEWEST2026 · NEWESTMEDIAN · 1976MEDIAN · 1976OLDEST · 1902OLDEST · 1902=3,751of 15,079 · =2,596 North America · =2,536 USRunways21 · FEWER1 · FEWERMEDIAN · 1MEDIAN · 1MORE · 8MORE · 8=713of 29,943 · =435 North America · =391 US
Scale: share of airports ranked below, best on the right · ties shown as = and a band · passengers are each airport’s latest year on record

Radio frequencies

3 channels
AWOSAWOS 3119.275
RDOGREAT FALLS RDO123.650
UNICCTAF/UNICOM122.800