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FBO · C66 MONMOUTH MUNI

Monmouth Municipal Airport at Monmouth Muni

MONMOUTH, ILLINOIS

(309) 734-3411Unicom 122.800Website
Live posted pricing
Other
100LL Avgas
self serve
$5.85
Jet A
Not posted
MOGAS
self serve
$4.15
Updated 4/14/2026

About Monmouth Municipal Airport

Monmouth Municipal Airport serves Monmouth, Illinois at C66. Pilots can get self-serve AVGAS 100LL and MOGAS here. UNICOM is 122.800.

Payment is accepted with Visa, MasterCard, American Express, and Discover. For services or amenities, contact the airport directly.

If you need current operational details, call the airport at (309) 734-3411. The airport can confirm what is available on the day of your flight.

This airport lists self-serve fuel with AVGAS 100LL and MOGAS. Services and amenities are available by contacting the airport directly. Use the published phone number for current ramp, fuel, or support details.

Payment & fees

Accepted payment

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Frequently asked questions

What fuel grades does Monmouth Municipal Airport carry?
Monmouth Municipal Airport carries AVGAS 100LL and MOGAS.
Is fuel self-serve at Monmouth Municipal Airport?
Yes. The airport lists self-serve fuel service.
What is the UNICOM frequency at C66?
UNICOM is 122.800.
How do I contact Monmouth Municipal Airport?
Call (309) 734-3411.
What payment methods are accepted for fuel?
Visa, MasterCard, American Express, and Discover are accepted.
What services and amenities are available?
The airport says to contact it directly for services and amenities.