Mogensmark Heliport
SD02 · Twin Brooks, South Dakota · Grant County · map
Mogensmark Heliport is a private heliport, 1 mile south of Twin Brooks, South Dakota, 1,283 feet above sea level. Its landing pad, H1, is 40 by 40 feet of grass.
The FAA lists this heliport as closed indefinitely.
Private use: permission from the owner is required before landing here.
The heliport facts, runways, radio, fuel and services, the FAA's remarks
The airport
- Codes
- FAA SD02
- Kind
- Heliport · private use, permission required · privately owned
- Elevation
- 1,283 feet above sea level
- Control tower
- No control tower
- Attended
- unattended
- Fuel and services
- no fuel reported; the services card below
- On the chart
- Twin Cities sectional
- In the FAA's files since
- August 2020
Landing pad
For understanding the field, not for navigation.
| Pad | Length × width | Surface | Lights |
|---|---|---|---|
| H1 | 40 × 40 ft | Grass |
Radio frequencies
| Common traffic advisory (CTAF) | 122.9 |
Fuel and services as reported to the FAA
The FAA's record lists no fuel or services for this heliport.
Nearest fields reporting jet fuel: Ortonville Muni/Martinson Field (17 nm northeast), Watertown Regional (23 nm southwest), Morris Muni/Charlie Schmidt Field (41 nm northeast), Clark County (43 nm southwest).
Nearest fields reporting avgas: Milbank Municipal (9 nm east), Ortonville Muni/Martinson Field (17 nm northeast), Watertown Regional (23 nm southwest), Lac Qui Parle County (28 nm southeast).
The FAA's file records what is sold and done at the field, as the airport manager reports it, not who sells it or the price; fuel sellers (FBOs) are not named in any public file. Airports selling jet fuel in South Dakota · avgas.
Who flies and works here aircraft registered in town, the companies, the examiners nearby
Aircraft registered in Twin Brooks from the FAA register
No aircraft on the register list Twin Brooks, SD as the owner's town.
Safety record the NTSB's cases at or near this heliport
Accidents and incidents at or near this heliport NTSB records · 1 since 1982, 0 fatal
Cases the NTSB recorded with this as the nearest airport, newest first. Each opens the full report in plain English. The country as a whole: Where accidents happen.
Nearby within 30 nautical miles
Connections how this heliport links to the rest of the register
- NTSB accidents and incidents at or near this heliport 1 since 1982 · 0 fatal
- Accidents and incidents in South Dakota 467 since 1982 · 67 in the last ten years
- Nearby landing places within 30 nautical miles 8 airports, heliports and seaplane bases
- Public-use airports in South Dakota 70 landing places
- South Dakota 2,273 aircraft registered
The whole map of how records connect · these connections as data: /graph/airport/SD02.json.
Facts from the FAA's airport file effective October 1, 2026, written out in plain English; weather from the National Weather Service's aviation weather service; registered aircraft from the FAA register as of October 27, 2026; accidents from the NTSB's public database. Owners are shown only when they are an organisation; no person is named. Check the official sources before a flight: this page is for understanding an airport, not for planning one.