The U.S. aircraft register, updated daily
Airports · Minnesota · heliport · FAA file effective October 1, 2026

Mayo Clinic St. Marys Hospital Heliport

99MN · Rochester, Minnesota · Olmsted County · map

Mayo Clinic St. Marys Hospital Heliport is a private heliport owned by Mayo Clinic Saint Mary'S Hospital in Rochester, Minnesota, 1,166 feet above sea level. Its landing pad, H1, is 91 by 51 feet of concrete. It has fuel (Jet A).

Private use: permission from the owner is required before landing here.

The airport

Codes
FAA 99MN
Kind
Heliport · private use, permission required · privately owned
Owner
Mayo Clinic Saint Mary'S Hospital
Elevation
1,166 feet above sea level
Control tower
No control tower
Attended
around the clock
Lights
runway lights see the remarks below; beacon see the remarks below
Fuel
Jet A
On the chart
Green Bay sectional
Magnetic variation
1W
In the FAA's files since
October 1984

This airport's record at the FAA

Landing pad

H1N500 ft
Runways drawn to scale from the FAA's positions, north up.

For understanding the field, not for navigation.

PadLength × widthSurfaceLights
H191 × 51 ftConcretePerimeter lights

Radio frequencies

Common traffic advisory (CTAF) · UNICOM123.05 · Activate rotating beacon - 5 clicks the common traffic frequency.
Approach and departure119.8

Aircraft registered in Rochester from the FAA register

78 aircraft are registered to owners in Rochester, Minnesota: 54 piston singles, 13 balloons, 3 drones, 3 business jets, 2 turboprops. Not every one of them is based at this heliport; the based-aircraft count above is the FAA's figure for this heliport alone.

Companies and organisations in town with two or more aircraft:

Great Planes Aviation INC 5Southeastern Minnesota Flying Club INC 2Cloud 9 Enterprises INC 2Agridrone Solutions LLC 2

Individuals are counted, never named. All aircraft registered in Minnesota.

Accidents and incidents at or near this heliport NTSB records

No NTSB accident or incident records name this heliport.

Nearby within 30 nautical miles

The FAA's remarks as written in the airport file

  • Provided all operations conducted in an area 170-330 clkws; area aproply marked; wind indcr mntnd.
  • Activate rotating beacon - 5 clicks the common traffic frequency.
  • Medical use.
  • 9MN automated weather (AWOS) is associated with heliport 99MN.

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 5, 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.