Mayo Clinic Saint Marys Hospital Heliport (99MN), Minnesota
Landing essentials
Whether you can land, whether you can refuel, and how customs works here.
Overview
Mayo Clinic St Marys Hospital heliport (99MN) is a private-use, single-pad facility in Rochester, Minnesota, dedicated to medical operations. It sits close to Rochester International, the nearest airport with customs service.
Fuel and airfield services
Mayo Clinic Saint Marys Hospital Heliport has Jet A available on the field. Fueling is available 24 hours a day, every day, and the airport has no control tower.
Source: FAA Form 5010 / NASR.
Customs
Mayo Clinic Saint Marys Hospital Heliport does not clear customs. The nearest port of entry is Rochester International (KRST), 7 NM away.
Source: CBP list of ports of entry.
Business aviation traffic
Mayo Clinic Saint Marys Hospital Heliport recorded 327 business aviation movements in 2025. Traffic peaks in July. Business aviation traffic at 99MN peaks in July and August, with July recording the highest monthly count of the year.
Business jet movements, FAA TFMSC count. Peak month July, 55 movements in 2025.
Source: FAA TFMSC, business jet movements, 2025.
Climate
Weather station is 2.3 NM from the field. Some values are estimated by the agency. 1991–2020 climate normals.
Source: NOAA NCEI.
Operating constraints
Mayo Clinic Saint Marys Hospital Heliport has published operating constraints in one category: other notes.
Activate the rotating beacon by clicking the CTAF five times.
Facility is designated for medical use.
The 9MN AWOS is associated with this heliport.
Perimeter lights require a phone request, or can be activated using frequency 155.385 (tone 141.3), 155.340 (tone 210.7), or 130.075.
For clearance delivery, contact Minneapolis ARTCC.
Source: FAA Chart Supplement.
Nearby airfields
Mayo Clinic Saint Marys Hospital Heliport has five airfields within 34 NM. The closest is Rochester International (KRST), 6.73 NM south.
Source: Skystar calculation from official coordinates.
Skystar at 99MN
We arrange catering, fuel and trip support here. Supplier prices reach you unchanged; our coordination fee sits on its own line.
The same order, priced two ways.
$600.00 catering order at 99MN.
Unchanged.
What the kitchen invoices us is what your quote reads.
One line, fixed.
The $75 minimum applies below $862.50.
At cost.
Passed on at the exact amount the processor took.
Market practice figures are industry averages, not a specific competitor.
Frequently asked questions
Is there customs service at 99MN?
Mayo Clinic St Marys Hospital heliport has no onsite customs. The nearest customs facility is Rochester International (KRST), about 6.73 nm away, and clearance decisions to fly directly must be coordinated in advance.
What kind of traffic does 99MN see?
Mayo Clinic St Marys Hospital heliport recorded 330 total annual operations in 2025 per FAA TFMSC data, with 327 of those business aviation. This is a low-volume, single-pad facility supporting hospital-related helicopter movements.
Can I get fuel at 99MN?
Jet A fuel is listed for Mayo Clinic St Marys Hospital heliport, identified in the data as fuel type A. Attendance is shown as ALL / ALL / ALL, but pilots should confirm fuel availability directly given the facility's private, medical-use status.