Government and Commercial Aircraft

Government and Commercial Aircraft Certification R4 has extensive experience providing Government and Commercial Aircraft Certification and Integration Services. R4 provides a turnkey design and integration solution that encompass communications, navigation, sensor systems, SIGINT, ELINT, Aircraft Survivability Equipment (ASE), and structural modifications. R4’s engineering capability is built upon a core staff, each with over 25 years…

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Radome and Antenna Modifications

Radome and Antenna Modifications R4 provides turn-key radome design, integration and certification support and have experience designing external modifications to minimize risk for bird-strike, vibration and buffet, ice accretion, effect on aircraft handling qualities and performance.

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Reverse Engineering

 Reverse Engineering R4 is experienced in the reverse-engineering of aircraft geometries. Depending on fidelity requirements, we can produce 3D models of aircraft outer mold lines (OML) using a variety of sources and provide turn-key 3D model development using laser-scan and other metrology techniques. This includes development of smoothed aerodynamic lofts from noisy laser scan data.

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Aircraft Design and Configuration

Aircraft Design and Configuration R4 maintains a full suite of preliminary design methods for the sizing and assessment of new aircraft configurations. Our inverse design methods incorporate our low and high-order CFD methods to quickly and efficiently localize an optimum configuration.

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Testing Services

¬†Testing Services R4 offers a range of testing services including ground and flight test support. Our analytical expertise is augmented by an extensive experimental background. Likewise, our engineers utilize our computational toolkit to minimize the cost of a test program and can significantly minimize program risk and cost through a hybrid test and analysis program.…

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