Charlton Building Heliport HeliportPrivate

MN56 · Rochester, MN · 1,086 ft elevation · var 3E · Non-towered

Overview Weather Runways Comms & NavAids Charts Services & info

Airport information

FAA LID: MN56
Coordinates: 44.0183, -92.4518
Elevation: 1,086 ft MSL
Magnetic variation: 3E
Sectional chart: GREEN BAY
Airport use: Private
Control tower: No
ARTCC: MINNEAPOLIS (ZMP)
Flight service (FSS): PRINCETON · 122.2 · 1-800-WX-BRIEF
Attendance: UNATNDD
Segmented circle: No
Wind indicator: yes
Activated: 1989/07
Distance from city: 1 NE

Weather

METAR observed

Loading current weather…

TAF forecast

Loading forecast…

Sun & FAA night 2026-06-23

Event	Local (CDT)	UTC
Morning civil twilight Loggable night ends	04:51 AM	09:51Z
Sunrise	05:27 AM	10:27Z
Sunset	08:57 PM	01:57Z
Evening civil twilight Loggable night begins	09:33 PM	02:33Z

Loggable night (§1.1)

09:33 PM → 04:51 AM

Night currency (§61.57)

09:57 PM → 04:27 AM

Plan a flight from MN56

Destination (ICAO)

TAS (kt)Burn (gph)Reserve (hr)Wind from (°)Wind (kt)

Night operations

Pilot-controlled lighting: Usually keyed on CTAF 122.9 — confirm the click sequence in the Chart Supplement

FAA night windows (civil twilight, loggable night §1.1, currency §61.57) are in the live weather panel above.

Runway H1/

50 ft × 22 ft · ALUMINUM (Fair)

Edge lights: Peri.

Heading: n/a
Threshold elev: 1,086 ft
Traffic pattern: Left

Heading: n/a

Will it fit? Your aircraft's required runway length (from the POH) — checked against every runway here

ft · ≥1.5× comfortable, under 1.25× tight · saved across airports

Runway	Length	Your margin
H1/	50 ft

Communication frequencies

Tower & ground

CTAF	122.9

Source: FAA NASR (current 28-day cycle).

Nearby navigation aids

NavAid	Type	Freq	Radial / Dist magnetic
RST · Rochester	VOR-DME	112.00	r019° / 15.5 NM
ONA · Winona	VOR-DME	111.40	r263° / 32.4 NM
JAY · Austin	VOR-DME	108.20	r034° / 33.4 NM

VFR sectional

Open MN56 on the VFR sectional (SkyVector) ↗

No published instrument procedures or Chart Supplement for MN56. VFR sectional link above.

Ownership & management

Owner

MAYO CLINIC

200 FIRST STREET SW, ROCHESTER, MN

507-284-2511

Manager

MAYO CLINIC

200 FIRST STREET SW, ROCHESTER, MN

507-266-1487

Remarks FAA

General

CLOSEST WEATHER: K9MN @ MAYO CLINIC - SAINT MARY HOSPITAL
FOR CD CTC MINNEAPOLIS ARTCC AT 651-463-5588.

Nearby airports

99MN · St Mary's Hospital HeliportHeliportPrivate (1 NM)2MN8 · Trygstad AirportPrivate (5 NM)KRST · Rochester International Airport (7 NM)MY37 · Eyota AirportPrivate (9 NM)5MN0 · Scrabeck Airport (10 NM)MN32 · Nietz AirstripPrivate (10 NM)

Weather is live from the Aviation Weather Center; airport facility data is from the FAA NASR (28-day cycle). For planning and education only; always verify against official sources. Open MN56 in a full tool: METAR/TAF decoder, crosswind calculator, sun & night times, or the density altitude calculator. Planning from here? Find the nearest airport with fuel or an approach, or check whether an IFR alternate is required.

About MN56

Charlton Building Heliport (MN56) is a heliport in Rochester, MN, at 1,086 ft MSL. It has 1 runway, the longest 50 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for MN56, refreshed from the Aviation Weather Center and FAA NASR.

Does MN56 have a control tower?

No. Charlton Building Heliport is a non-towered (pilot-controlled) heliport; use the published CTAF/UNICOM on the Comms & NavAids tab.

What is the longest runway at MN56?

Charlton Building Heliport has 1 runway; the longest is 50 ft. See the Runways tab for headings, surface, and lighting.

Where is MN56?

Charlton Building Heliport is in Rochester, MN, at an elevation of 1,086 ft MSL. Coordinates: 44.0183, -92.4518.

Fly out of MN56 often?

Save MN56 as your home base in the SkyReady app for a one-tap Go/No-Go readiness brief, weather alerts, and automatic FAA currency — free to log.

Get the appBeta