STC Development

Supplemental Type Certificate Engineering Support

C&L Engineering Services provides Supplemental Type Certificate development support in accordance with FAA requirements. We help operators, OEM partners, and MROs move modification programs forward with the engineering data, analysis, and documentation needed for certification and installation.

What We Deliver

Our STC development support covers structural and electrical engineering for a wide
range of aircraft modifications, including:

• Structural drawings for installation of antennas and associated LRUs
• Electrical wiring diagrams for avionics installations and modifications, including
• EFIS and IFE integration
• Electrical load analysis documentation
• Instructions for Continued Airworthiness
• Aircraft Flight Manual Supplement support
• 8110-3 approvals for required data

Aircraft and Helicopter Platforms Supported

Our engineering experience includes:

• Bombardier Challenger series
• Cessna single and twin-engine aircraft
• Cessna Citation series
• Beechcraft King Air series
• Bell helicopters
• Kaman helicopters
• Boeing 737
• Mitsubishi MU-2B and MU-300
• Piaggio P-180
• De Havilland DHC-7 and DHC-8
• Embraer series
• Fairchild Swearingen series
• Falcon 10, 20, 50, 900, 2000
• Gulfstream series
• Hawker series
• Learjet series
• North American and Rockwell
• Saab 340 and 2000

Start an STC Project

Tell us your aircraft platform, modification goals, and timeline. We will review your
requirements and outline the most efficient engineering path to support certification and
installation.