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The Pilots Desk
Small airport

Gregory M. Simmons Memorial Airport

ICAO KGZNLocal GZN🇺🇸 Cisco
Coordinates
32.3673°N, 99.0236°W
Elevation
1,711 ft (522 m)
Type
Small airport
Region
US-TX
Time zone
Chicago(UTC-05:00)
Magnetic variation
3.8° E

Daylight today(Jul 20, 2026, local time)

Civil dawn
06:16
Sunrise
06:43
Sunset
20:43
Civil dusk
21:10

About 13h 59m of daylight. Civil twilight (dawn/dusk) approximates the FAA definition of night for logging and currency. Times are computed and approximate — verify with official sources.

About Gregory M. Simmons Memorial Airport

Gregory M. Simmons Memorial Airport is a small airport in Cisco, United States (ICAO KGZN). It sits at an elevation of 1,711 ft (522 m). It observes America/Chicago local time. The nearest airport is Cisco Municipal Airport (K3F2), about 3.2 nm to the nne.

Summary generated from this airport’s structured data — reference only.

Live weather

KGZN

Live departures & arrivals

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Flight data by AeroDataBox. Times are estimates — not for navigation; confirm with the airline.

Where you can fly from here

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Current scheduled routes & daily frequency by AeroDataBox. Approximate — confirm bookable schedules with the airline.

Map

Runway centrelines, navaids and overlapping airspace. Tiles © OpenStreetMap contributors. Reference only — not for navigation.

Runways (0)

No runway data recorded for this airport.

Instrument procedures & charts

Cycle 2606 · effective Jun 11, 2026 – Jul 9, 2026 Not for navigation — confirm currency on the official FAA source.

Charts published by the FAA (public domain) and updated each 28-day cycle. Always fly the current, official chart. Full charts page.

Nearby airports

Great-circle distance and true bearing from Gregory M. Simmons Memorial Airport.

Official site Live ATC audio Live tracking (FR24) Open in Maps
🇺🇸 More airports in United States📘 Flying in the United States: a pilot's guide

Frequently asked questions

What is the ICAO code for Gregory M. Simmons Memorial Airport?

The ICAO code for Gregory M. Simmons Memorial Airport is KGZN.

Where is Gregory M. Simmons Memorial Airport located?

Gregory M. Simmons Memorial Airport is small airport located in Cisco, United States, at an elevation of 1,711 ft (522 m).

What time zone is Gregory M. Simmons Memorial Airport in?

Gregory M. Simmons Memorial Airport is in the America/Chicago time zone (UTC-05:00).

What is the magnetic variation at Gregory M. Simmons Memorial Airport?

The magnetic variation (declination) at Gregory M. Simmons Memorial Airport is approximately 3.8° E, per the World Magnetic Model. Variation changes slowly over time — always use the current value charted for navigation.

What airports are near Gregory M. Simmons Memorial Airport?

The nearest airport to Gregory M. Simmons Memorial Airport is Cisco Municipal Airport (K3F2), about 3.2 nm to the nne, followed by Spring Ranch Airport and Mission Mountain Airport.

Is the information on this page suitable for flight planning?

No. Gregory M. Simmons Memorial Airport data here is for reference and training only — not for navigation. Always consult official sources and current charts before any flight.