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Gregory Municipal Airport - Flynn Field
9D1 · Gregory, SD · 2,168 ft elevation · var 7E · Towered
Airport information
- FAA LID
- 9D1
- Coordinates
- 43.2217, -99.4033
- Elevation
- 2,168 ft MSL
- Magnetic variation
- 7E
- Sectional chart
- OMAHA
- Airport use
- Public
- Control tower
- Yes
- ARTCC
- MINNEAPOLIS (ZMP)
- Flight service (FSS)
- HURON
- 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
Weather
METAR observed
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TAF forecast
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Sun & FAA night 2026-06-20
| Event | Local (CDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 05:22 AM | 10:22Z |
| Sunrise | 05:57 AM | 10:57Z |
| Sunset | 09:21 PM | 02:21Z |
| Evening civil twilight Loggable night begins | 09:56 PM | 02:56Z |
Loggable night (§1.1)
09:56 PM → 05:22 AM
Night currency (§61.57)
10:21 PM → 04:57 AM
Plan a flight from 9D1
Runway 13/31
3,799 ft × 60 ft · Asphalt (Excellent) 13
- Heading
- 128° mag · 135° true
- Markings
- nonprecision
- VGSI
- 2-light PAPI (left) (3°)
- Traffic pattern
- Left
31
- Heading
- 308° mag · 315° true
- Markings
- nonprecision
- VGSI
- 2-light PAPI (left) (3°)
- Traffic pattern
- Left
Communication frequencies
| Service | Frequency | Notes |
|---|---|---|
| FSS | 122.1 | HURON RDO |
| UNIC | 122.8 | CTAF/UNICOM |
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| ISD · Winner | VOR | 112.80 | r128° / 22.4 NM |
Chart Supplement FAA A/FD
Open PDF ↗Preview Chart Supplement
VFR sectional
Services
- 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
Owner
CITY OF GREGORY
120 W 6TH ST, GREGORY, SD
605-835-8270
Manager
GUHNER KEPLER
120 W 6TH ST, GREGORY, SD
605-682-1086
Remarks FAA
- 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.
- ACTVT MIRL RY 13/31 & PAPI RYS 13 & 31 - CTAF.
- AUTOMATED UNICOM.
- CONC PLANT LOCATED APROPLY 1282 FT OFF END OF RWY 31.
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 9D1 in a full tool: METAR/TAF decoder, crosswind calculator, sun & night times, or the density altitude calculator.