What We Do

Safe & Reliable Aviation Services

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AIRCRAFT INSPECTIONS

Comprehensive evaluations to ensure aircraft safety, functionality, and compliance with regulatory standards.

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AOG MAINTENANCE

Urgent repair services for "Aircraft On Ground" situations, minimizing downtime and ensuring swift returns to flight.

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24 HOUR AVAILABILITY

Round-the-clock support to address aviation maintenance and service needs anytime, day or night.

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Aircraft Management

We handle every aspect of your aircraft’s operation — from maintenance and compliance to crew, scheduling, and hangar services — so you can fly worry-free and focus on what matters.

Why Us

Located at Lambert-St. Louis International Airport, On Site Aircraft Service, Inc., delivers everything you need and expect for the maintenance of your aircraft. In business since 2004, our goal is to exceed your expectations in performance and quality, with on time delivery and within budget.

With dedicated teams  to complete routine maintenance, AOG/MRT maintenance or inspections on your aircraft, our goal is to get you back in the air as soon as possible. We have earned the reputation as the competent team to call, not only when your aircraft is AOG, but for all your maintenance needs.

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In Addition To Our On-Site Maintenance Support, You Can Find Us At:

5995 James S Mcdonnel Blvd, Hanger 2, Saint Louis, MO 63134
18260 Edison Ave, Office # XYZXYZ Chesterfield, MO 63005
2500 Vector Dr, Cahokia Heights, IL 62206
9656 Air Terminal Dr, Mascoutah, IL 62258
Frequently Serviced Airports

Transporting across the world

Liquid Transportation

Premium Tankers

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Packaging Solutions

Warehouse Management

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Contract Logistics

Road Transportation

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Warehouse & Distribution

Large Warehouse

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Specialized Transport

Ocean Transports

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The most experience in the field & Staff that understands any situations

Our capabilities include the most current models as well as out of production aircraft, with extensive experience on Bombardier, Cessna, and   Gulfstream. Our staff includes certified technicians on Challenger, Citation, Gulfstream, Bombardier CRJ, and Falcon aircraft.