FAA facility Airport

SIDNEY-RICHLAND RGNL

SIDNEY, MONTANA FAA SDY ICAO KSDY Open to the public

Open View on OpenStreetMap

Runways

2 records · drawn to relative scale

01/19 5,705 × 100 ft · Asphalt (good) · Medium-intensity edge lights

01 19

Runway-end details

Runway 01/19 end details
End	True hdg	ILS	Glide slope aid	Approach lights	Displaced thr	Declared distances
01	24°	—	PAPI · 2-light · left side	—	—	TORA 5,705 · TODA 5,705 · ASDA 5,705 · LDA 5,705
19 RP	204°	—	PAPI · 2-light · left side	—	—	TORA 5,705 · TODA 5,705 · ASDA 5,705 · LDA 5,705

11/29 4,024 × 100 ft · Asphalt (good) · Medium-intensity edge lights

11 29

Runway-end details

Runway 11/29 end details
End	True hdg	ILS	Glide slope aid	Approach lights	Displaced thr	Declared distances
11 RP	117°	—	PAPI · 2-light · left side	—	—	TORA 4,023 · TODA 4,023 · ASDA 4,023 · LDA 4,023
29	297°	—	PAPI · 2-light · left side	—	—	TORA 4,023 · TODA 4,023 · ASDA 4,023 · LDA 4,023

Communications

6 published frequencies

Published communications frequencies
Use	Frequency	Hours
SDY AWOS-3PT	119.275	—
SIDNEY RCO	122.3	—
CTAF	122.8	—
UNICOM	122.8	—
WATFORD CITY RCAG	126.85	—
WATFORD CITY RCAG	305.2	—

FAA listing history

Identities observed in NASR snapshots

SIDNEY-RICHLAND RGNL Observed 2024-06-13 through 2026-07-09 KSDY

Dates describe available FAA snapshots, not exact opening, closure or construction dates.

Material changes

First observed in NASR cycles

No public material changes are recorded yet.

Facility facts

FAA / ICAO: SDY / KSDY
Type: Airport A
Status: Open
Ownership: Publicly owned
Use: Open to the public
Activated: 1951-01
Part 139: Class III · ARFF index A III A
Fuel: 100LL JET A
Repair: Airframe: Major
Powerplant: Major
Tower: No control tower

Location

City: SIDNEY, MT
County: Richland
FAA region: Northwest Mountain region
Coordinates: 47.70686, -104.19256
Elevation: 1,985.1 ft (3RD PARTY SURVEY)

View coordinates on OpenStreetMap

Weather stations

SDY Commissioned 1992-01-09 AWOS-3PT

Wildlife strikes

5Reported strikes

1With damage

0Injuries

Latest matched event: 2024-09-20. Safety-event data, separate from NASR infrastructure facts.

FAA NASR cycle effective 2026-08-06. Operational information changes every cycle — consult current FAA publications, the Chart Supplement and NOTAMs before flight.