Sunnyside Seaplane Base
3MN5 · Hackensack, Minnesota · Cass County · map
Sunnyside Seaplane Base is a private seaplane base, 3 miles northwest of Hackensack, Minnesota, 1,380 feet above sea level. It has 1 water landing area.
Private use: permission from the owner is required before landing here.
The seaplane base facts, runways, radio, fuel and services, the FAA's remarks
The airport
- Codes
- FAA 3MN5
- Kind
- Seaplane base · private use, permission required · privately owned
- Elevation
- 1,380 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
- October 2018
Runway
For understanding the field, not for navigation.
| Runway | Length × width | Surface | Lights |
|---|---|---|---|
| 15W/33W | 5,300 × 400 ft | Water |
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 seaplane base.
Nearest fields reporting jet fuel: Bemidji Regional (36 nm northwest), Brainerd Lakes Regional (38 nm southeast), Aitkin Muni/Steve Kurtz Field (45 nm southeast), Grand Rapids/Itasca County-Gordon Newstrom Field (46 nm east).
Nearest fields reporting avgas: Backus Municipal (9 nm south), Walker Municipal (12 nm north), Longville Municipal (15 nm east), Pine River Regional (17 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 Minnesota · avgas.
Who flies and works here aircraft registered in town, the companies, the examiners nearby
Aircraft registered in Hackensack from the FAA register
2 aircraft are registered to owners in Hackensack, Minnesota: 2 piston singles. Not every one of them is based at this seaplane base; the based-aircraft count above is the FAA's figure for this seaplane base alone.
Individuals are counted, not named (the site's policy at this time). All aircraft registered in Minnesota.
Safety record the NTSB's cases at or near this seaplane base
Accidents and incidents at or near this seaplane base NTSB records
No NTSB accident or incident records name this seaplane base.
Nearby within 30 nautical miles
Connections how this seaplane base links to the rest of the register
- Aircraft registered in Hackensack 2 aircraft · 2 piston singles
- Accidents and incidents in Minnesota 1,542 since 1982 · 207 in the last ten years
- Nearby landing places within 30 nautical miles 8 airports, heliports and seaplane bases
- Public-use airports in Minnesota 146 landing places
- Minnesota 6,940 aircraft registered
The whole map of how records connect · these connections as data: /graph/airport/3MN5.json.
Facts from the FAA's airport file effective October 29, 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 29, 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.