Airport information
- FAA LID
- MN21
- Coordinates
- 43.5821, -92.3015
- Elevation
- 1,364 ft MSL
- Sectional chart
- CHICAGO
- Airport use
- Private
- Control tower
- No
- ARTCC
- MINNEAPOLIS (ZMP)
- Flight service (FSS)
- PRINCETON
- Attendance
- UNATNDD
- Segmented circle
- No
- Activated
- 2025/10
- Distance from city
- 1 WSW
Weather
METAR observed
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TAF forecast
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Sun & FAA night 2026-06-21
| Event | Local (CDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 04:52 AM | 09:52Z |
| Sunrise | 05:28 AM | 10:28Z |
| Sunset | 08:54 PM | 01:54Z |
| Evening civil twilight Loggable night begins | 09:30 PM | 02:30Z |
Plan a flight from MN21
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.
Traffic pattern
- Landing
- Rwy 14
- Pattern
- left (turns left)
- TPA
- 2,400 ft MSL (≈1,000 AGL)
- CTAF
- 122.9
Enter the left downwind for Rwy 14 at 2,400 ft MSL (≈1,000 AGL) on a 45°. TPA estimated at 1,000 ft AGL (not charted for this field).
Runway 14/32
1,736 ft · Turf (Fair)- Heading
- n/a
- Traffic pattern
- Left
- Heading
- n/a
- Traffic pattern
- Left
Headings shown are true (magnetic variation unavailable).
| Runway | Length | Your margin |
|---|---|---|
| 14/32 | 1,736 ft |
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| RST · Rochester | VOR-DME | 112.00 | r128° / 17.6 NM |
| JAY · Austin | VOR-DME | 108.20 | r086° / 26.9 NM |
| UKN · Waukon | VORTAC | 116.60 | r294° / 37.9 NM |
| ONA · Winona | VOR-DME | 111.40 | r220° / 39.3 NM |
VFR sectional
No published instrument procedures or Chart Supplement for MN21. VFR sectional link above.
Ownership & management
Remarks FAA
- OWNER DESIRES AIRPORT TO BE CHARTED.
Nearby airports
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 MN21 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 MN21
Pietenpol Field (MN21) is an airport in Cherry Grove, MN, at 1,364 ft MSL. It has 1 runway, the longest 1,736 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for MN21, refreshed from the Aviation Weather Center and FAA NASR.
Does MN21 have a control tower?
No. Pietenpol Field is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM on the Comms & NavAids tab.
What is the longest runway at MN21?
Pietenpol Field has 1 runway; the longest is 1,736 ft. See the Runways tab for headings, surface, and lighting.
Where is MN21?
Pietenpol Field is in Cherry Grove, MN, at an elevation of 1,364 ft MSL. Coordinates: 43.5821, -92.3015.
Fly out of MN21 often?
Save MN21 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.