What are the operating hours of 9D1?

Gregory Municipal Airport - Flynn Field operates from SR to SS.

What fuel is available at 9D1?

Gregory Municipal Airport - Flynn Field offers 100LL, Jet A.

Does 9D1 require landing permits?

Yes, landing permits are required for Gregory Municipal Airport - Flynn Field (United States).

Where is 9D1 located?

Gregory Municipal Airport - Flynn Field (9D1) is located in Gregory, United States.

How long is the runway at 9D1?

The main runway at Gregory Municipal Airport - Flynn Field (13/31) measures 3799 x 60 ft.

Reference data only — not for flight planning or navigation. Verify with official sources (AIP, NOTAMs, ATC). Full disclaimer

Gregory Municipal Airport - Flynn Field (9D1) — Gregory, United States

Gregory Municipal Airport - Flynn Field (9D1) serves Gregory, United States. This is a small airport with 1 runway (13/31). Field elevation is 2168 ft AMSL. Data on this page is maintained by the aviation community — contribute to keep it accurate.

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73% Data Complete 38 of 52 points

Missing: Contacts

Section Breakdown

Basic Info 7/7

Runways 4/4

Frequencies 1/4

Operations 2/2

Fuel 1/1

Contacts 0/2

Additional Info 2/10

Data last updated: 2026-04-02

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Basic Airport Information

ICAO: 9D1
Name: Gregory Municipal Airport - Flynn Field
Type: small_airport
Category: Domestic
Latitude: 43.221699
Longitude: -99.403297
Elevation: 2168 ft
Country: United States
Municipality: Gregory
IATA Code: N/A
FAA Code: N/A
FIR: N/A
Timezone: America/Chicago
Distance from City: N/A km
VFR: Yes
IFR: No

Runways

Runway 13/31

Designation: 13/31
Dimensions: 3799 x 60 ft
Surface: ASP
PCN: N/A
Lighting: MIRL
NAVAIDs: N/A
Approach Types: N/A
Remarks: N/A

Frequencies

Tower: N/A
Ground: N/A
Operations: 122.800 MHz
Traffic/Approach: N/A
ATIS: N/A

Operation Hours

Monday SR – SS

Tuesday SR – SS

Wednesday SR – SS

Thursday SR – SS

Friday SR – SS

Saturday SR – SS

Sunday SR – SS

Extra Hours On Request: No
Remarks: N/A

Contacts

AIS Tel: N/A
ARO Tel: N/A
MET Tel: N/A
Admin Tel: +1 605-682-1086
Health Tel: N/A
Police Tel: N/A
Authorities Tel: N/A
Website: N/A
Remarks: N/A

Slots / PPR

Slot Required: No
PPR Required: No
PPR Contact: N/A
Remarks: N/A

Fuel Information

Fuel Type: 100LL
Price/L: N/A
Last Updated: N/A
Remarks: N/A

Fuel Type: Jet A
Price/L: N/A
Last Updated: N/A
Remarks: N/A

Immigration

Port of Entry: No
GENDEC Required: No
GAR Required: No
Remarks: N/A

Airport Services

No services listed for this airport yet.

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United States Permit Requirements

Fast Landing: 1d

Overflight Permit: No
Landing Permit: Conditional
Overflight Lead Time: N/A
Landing Lead Time: 60 minutes minimum (eAPIS manifest before departure); recommend 24-48 hours for CBP port notification

Private / GA Operations:

No permits required for private non-revenue flights. eAPIS manifest mandatory for all international arrivals/departures.

View Full United States Permit Details

Active NOTAMs

07/099 info

TOWER LGT (ASN 2023-AGL-18419-OE) 430449N0990454W (16.5NM ESE 9D1) 2370FT (309FT AGL) U/S

2026-07-27 20:46:00 2026-09-10 20:45:00

07/063 info

TOWER LGT (ASR 1200628) 431020.80N0991652.30W (6.1NM ESE 9D1) 2515.1FT (304.1FT AGL) U/S

2026-07-17 19:43:00 2026-10-15 19:43:00

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Nearby Airports

9V1 Springview Municipal Airport 28 NM KRBE Rock County Airport 40 NM K8V2 Stuart Atkinson Municipal Airport 43 NM NE89 Bar Lazy B Airport 45 NM KANW Ainsworth Regional Airport 46 NM NE06 Woolf Brothers Airport 49 NM KONL The O Neill Municipal John L Baker Field 55 NM 1NE0 Higgins Bros Airport 70 NM

Compare 9D1 with 9V1 side by side →

Airport History

Discover the key milestones and historical events that shaped Gregory Municipal Airport - Flynn Field. Our community-powered timeline traces this airport's journey from its origins to the present day.

Explore History

Frequently Asked Questions

What are the operating hours of 9D1?: Gregory Municipal Airport - Flynn Field operates from SR to SS.
What fuel is available at 9D1?: Gregory Municipal Airport - Flynn Field offers 100LL, Jet A.
Does 9D1 require landing permits?: Yes, landing permits are required for Gregory Municipal Airport - Flynn Field (United States).
Where is 9D1 located?: Gregory Municipal Airport - Flynn Field (9D1) is located in Gregory, United States.
How long is the runway at 9D1?: The main runway at Gregory Municipal Airport - Flynn Field (13/31) measures 3799 x 60 ft.

View on Map