Fixed Based Operator Signature, O'Hare's Fixed Base Operator, provides the following services: Gold CAP complimentary cabin cleaning Hotel and restaurant reservations Fill and fly 12-minute quick turn Limo and rental car reservations Heated hangers Fuel quality program De-icing Pilot lounges Snooze room Complimentary coffee, ice, and popcorn Weather and flight planning Signature-Combs Executive Air Charter 800-627-8465 Signature-Combs Aircraft Sales 800-822-6145 Ramp Space There are about 5 acres of general aviation parking. Contact Signature at O'Hare International Airport P.O. Box 66139 521 Old Cargo Road Chicago, IL 60666 Phone: 773-686-7000 Fax: 773-686-7019 UNICOM: 122.95 ARINC: 128.92