Gregory Municipal/Flynn Field
9D1 · Gregory, SD · Non-towered · Print kneeboard · Open on the map
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Weather
METAR observed
TAF forecast
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Sun & FAA night2026-09-18 · night begins 08:11 PM
| Event | Local (CDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 06:52 AM | 11:52Z |
| Sunrise | 07:20 AM | 12:20Z |
| Sunset | 07:43 PM | 00:43Z |
| Evening civil twilight Loggable night begins | 08:11 PM | 01:11Z |
Plan a flight from 9D1
Winds aloft NOAA forecast · 3,000 to 53,000 ft
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Full reports: nearest reporting station
Advisories
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Runways
RWY 13LEFT traffic
- Heading
- 128° mag · 135° true
- Dimensions
- 3,799 × 60 ft
- TPA
- 3,200 ft MSL (≈1,000 AGL) · standard
- Surface
- Asphalt
- Lights
- 2-light PAPI (left) (3°)
- CTAF
- 122.8
Enter the left downwind (heading 308°) on the 45° at 3,200 ft MSL (≈1,000 AGL).
More details — RWY 13
- Threshold elev
- 2,170 ft
- Markings
- nonprecision
- Threshold crossing height
- 31 ft
- TDZ elevation
- 2,170 ft
Pattern side: FAA NASR · TPA standard 1,000 ft AGL (not charted) · layout: FAA runway-end coordinates
| Runway | Length | Your margin |
|---|---|---|
| 13/31 | 3,799 ft |
Prefer one flat page? Full runway details for 9D1 → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the 9D1 kneeboard →
Comms & NavAids
Communication frequencies
Taxi & takeoff
Also
By procedure & sector (2 frequencies)
| Frequency | Used by |
|---|---|
| 121.725 | APT REMARK 2 WITH GCO FREQ |
| 269.1 | PIERRE RCAG (LOW) |
Source: FAA NASR (current 28-day cycle).
Prefer one flat list? All 9D1 frequencies →
Charts & procedures
Airport info
Airport information
- FAA LID
- 9D1
- Coordinates
- 43.2218, -99.4034
- Elevation
- 2,174 ft MSL
- Magnetic variation
- 7E
- Sectional chart
- OMAHA
- Airport use
- Public
- Control tower
- No
- ARTCC
- MINNEAPOLIS (ZMP)
- Flight service (FSS)
- HURON · 1-800-WX-BRIEF
- NOTAM facility
- HON
- Attendance
- ALL DAWN-DUSK
- Beacon
- white-green (SS-SR)
- Segmented circle
- No
- Wind indicator
- lighted
- Activated
- 1949/12
- Distance from city
- 1 SE
Night operations
- Airport lighting
- SEE RMK
- Rotating beacon
- white-green · SS-SR
- Pilot-controlled lighting
- GCO AVBL ON FREQ 121.725 (4 CLICKS TO MINNEAPOLIS CENTER) — Chart Supplement ↗
Runway lighting aids — 13: 2-light PAPI (left) · 31: 2-light PAPI (left).
FAA night windows (civil twilight, loggable night §1.1, currency §61.57) are under Sun & FAA night in the Weather section.
Services fuel · repairs · oxygen · attendance
- Fuel available
- 100LL, Jet A
- Bottled oxygen
- NONE
- Bulk oxygen
- NONE
- Airframe service
- MINOR
- Powerplant service
- MINOR
- Parking
- tiedowns
- Other services
- Agricultural, Instruction
Ownership & management 2 contacts
Remarks FAA · 5 notes
General
- TELEPHONE AVBL.
- GCO AVBL ON FREQ 121.725 (4 CLICKS TO MINNEAPOLIS CENTER)
- FOR CD IF UNA VIA GCO CTC MINNEAPOLIS ARTCC AT 651-463-5588.
Lighting
- ACTVT MIRL RY 13/31 & PAPI RYS 13 & 31 - CTAF.
Obstructions
- CONC PLANT LOCATED APROPLY 1282 FT OFF END OF RWY 31.
Nearby airports
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Also nearby: SD30 Selle (private) (22 NM) · 1D3 Platte Municipal (27 NM) · 9V9 Chamberlain Municipal (33 NM) · 6A6 Kimball Municipal (37 NM) · 8D8 Lake Andes Municipal (38 NM)
About 9D1
Gregory Municipal/Flynn Field (9D1) is an airport in Gregory, SD, at 2,174 ft MSL. It has 1 runway, the longest 3,799 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for 9D1, refreshed from the Aviation Weather Center and FAA NASR.
Does 9D1 have a control tower?
No. Gregory Municipal/Flynn Field is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM in the Comms & NavAids section.
What is the longest runway at 9D1?
Gregory Municipal/Flynn Field has 1 runway; the longest is 3,799 ft. See the Runways section for headings, surface, and lighting.
Where is 9D1?
Gregory Municipal/Flynn Field is in Gregory, SD, at an elevation of 2,174 ft MSL. Coordinates: 43.2218, -99.4034.
More about 9D1
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 9D1 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.
Something here wrong or out of date? Report a data problem.