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The Pilots Desk
Small airport

Thayer Memorial Airport

ICAO K42MLocal 42M🇺🇸 Thayer
Coordinates
36.5223°N, 91.5720°W
Elevation
790 ft (241 m)
Type
Small airport
Region
US-MO
Time zone
Chicago(UTC-05:00)
Magnetic variation
0.9° W

Daylight today(Aug 30, 2026, local time)

Civil dawn
06:10
Sunrise
06:37
Sunset
19:39
Civil dusk
20:06

About 13h 2m 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 Thayer Memorial Airport

Thayer Memorial Airport is a small airport in Thayer, United States. It sits at an elevation of 790 ft (241 m) and has 1 runway, the longest 4,200 ft / 1,280 m. It observes America/Chicago local time. The nearest airport is Alton Airport (US-7338), about 13.8 nm to the ne.

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

Live traffic nearby

Aircraft currently within ~40 nm, from live ADS-B. Positions are approximately real-time — not for navigation.

Loading live traffic…

Live ADS-B by adsb.lol & the OpenSky Network. Not for navigation.

Map

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

Runways (1)

RunwayLengthWidthSurfaceLightingStatus
09 / 274,200 ft / 1,280 m50 ftAspLightedOpen

Radio frequencies (1)

TypeDescriptionFrequency
CTAFCTAF122.900 MHz

Nearby airports

Great-circle distance and true bearing from Thayer Memorial Airport.

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

Frequently asked questions

Where is Thayer Memorial Airport located?

Thayer Memorial Airport is small airport located in Thayer, United States, at an elevation of 790 ft (241 m).

How many runways does Thayer Memorial Airport have?

Thayer Memorial Airport has 1 runway, the longest being 4,200 ft / 1,280 m.

What time zone is Thayer Memorial Airport in?

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

What is the magnetic variation at Thayer Memorial Airport?

The magnetic variation (declination) at Thayer Memorial Airport is approximately 0.9° W, per the World Magnetic Model. Variation changes slowly over time — always use the current value charted for navigation.

What airports are near Thayer Memorial Airport?

The nearest airport to Thayer Memorial Airport is Alton Airport (US-7338), about 13.8 nm to the ne, followed by Sharp County Regional Airport and Howell Valley Airport.

Is the information on this page suitable for flight planning?

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